WO2020127087A1 - Appareil dentaire pouvant se fixer à des premier et second composants dentaires, et ensemble dentaire comprenant l'appareil dentaire - Google Patents

Appareil dentaire pouvant se fixer à des premier et second composants dentaires, et ensemble dentaire comprenant l'appareil dentaire Download PDF

Info

Publication number
WO2020127087A1
WO2020127087A1 PCT/EP2019/085407 EP2019085407W WO2020127087A1 WO 2020127087 A1 WO2020127087 A1 WO 2020127087A1 EP 2019085407 W EP2019085407 W EP 2019085407W WO 2020127087 A1 WO2020127087 A1 WO 2020127087A1
Authority
WO
WIPO (PCT)
Prior art keywords
dental
main body
attachment member
fitting
longitudinal axis
Prior art date
Application number
PCT/EP2019/085407
Other languages
English (en)
Inventor
Jörg WEITZEL
Oliver BILL
Ramadan ABAZI
Original Assignee
Nobel Biocare Services Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nobel Biocare Services Ag filed Critical Nobel Biocare Services Ag
Publication of WO2020127087A1 publication Critical patent/WO2020127087A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048—Connecting the upper structure to the implant, e.g. bridging bars
    • A61C8/005—Connecting devices for joining an upper structure with an implant member, e.g. spacers
    • A61C8/0068—Connecting devices for joining an upper structure with an implant member, e.g. spacers with an additional screw

Definitions

  • the present invention relates to a dental fitting, such as an abutment, attachable to a first dental component, such as a dental implant, and to a second dental component, such as a dental prosthesis. Further, the invention relates to a dental assembly comprising such a dental fitting and the first dental component and/or the second dental component.
  • Dental prostheses such as dental crowns or dental bridges, are widely used for the treatment of partly or fully
  • edentulous patients These prostheses are commonly attached to dental implants placed in a patient's jaw bone with the use of a dental fitting, such as an abutment, arranged between implant and prosthesis.
  • a dental fitting such as an abutment
  • single-piece abutments consisting of a single piece, or multi-piece abutments, comprising two or more separate pieces, may be employed.
  • one or more dental implants are placed in the patient's jaw bone first, e.g., by screwing the implant or implants into the jaw bone. Before a prosthesis can be attached thereto, the one or more implants have to be osseointegrated in the jaw bone, in order to provide a sufficient degree of mechanical
  • the prosthesis or prostheses is or are attached thereto via one or more respective abutments.
  • the abutment may be fixed to the implant by using an implant screw or clinical screw inserted through a coronal opening of the abutment .
  • a screw connection between these two components is often provided.
  • the prosthesis is screwed to the abutment with a prosthesis screw inserted through a coronal opening of the prosthesis.
  • the screw head of the prosthesis screw rests on a bearing surface inside the prosthesis, thus securely fixing the prosthesis to the abutment .
  • the size of the prosthesis screw may be dependent on the size of the clinical screw used for attaching the abutment to the
  • channels with large diameters have to be provided in the prostheses for receiving the prosthesis screws, in particular, for accommodating the screw heads of these screws.
  • the abutment is often difficult to remove from the implant after attachment thereto.
  • a retrieval tool has to be employed for this purpose, rendering the removal process complicated, time-consuming and inefficient.
  • a dental fitting such as an abutment
  • a first dental component such as a dental implant
  • a second dental component such as a dental prosthesis
  • a dental fitting such as an abutment
  • a dental assembly comprising such a dental fitting and a first dental component and/or a second dental component.
  • the invention provides a dental fitting attachable to a first dental component, such as a dental implant, and to a second dental component, such as a dental prosthesis.
  • the dental fitting comprises a main body and an attachment member which is at least partly received within the main body.
  • the dental fitting is configured so that movement of the attachment member relative to the main body along a longitudinal axis of the main body is restricted in the apical and coronal
  • the attachment member and the main body are securely aligned with each other so that the longitudinal axis of the main body is substantially parallel to a
  • An apical portion of the main body is attachable to the first dental component.
  • a coronal portion of the attachment member has a threaded section for attaching the dental fitting to the second dental component.
  • the dental fitting may comprise an attachment element for attaching the dental fitting to the first dental component.
  • attachment element may be separate components.
  • the longitudinal axis of the main body extends along the direction from an apical end of the main body towards a coronal end of the main body.
  • the longitudinal axis of the attachment member extends along the direction from an apical end of the attachment member towards a coronal end of the attachment member.
  • the dental fitting is configured so that movement of the attachment member relative to the main body along the
  • the attachment member is movable relative to the main body only over a
  • predetermined distance i.e., a limited distance, in the apical and coronal directions along the longitudinal axis of the main body, or the attachment member is fixed in its position relative to the main body in the direction along the longitudinal axis of the main body.
  • the apical portion of the main body is attachable to the first dental component.
  • the dental fitting can be attached to the first dental component by attaching the apical portion of the main body to the first dental
  • attaching the main body to the first dental component also attaches, e.g., movably attaches, the
  • the attachment member due to the restriction of relative movement between attachment member and main body in the coronal direction, the attachment member cannot be detached or removed from the main body in the direction away from the first dental component and is thus reliably attached.
  • the dental fitting can be removed from the first dental component in an efficient and simple way, namely by removing the attachment member from the first dental
  • the attachment member and the main body are securely aligned with each other so that the longitudinal axis of the main body is substantially parallel to the longitudinal axis of the attachment member.
  • the term "securely aligned" defines that this substantially parallel alignment between attachment member and main body is fixed, so that attachment member and main body cannot be pivoted or tilted relative to each other along an axis perpendicular to the longitudinal axis of the main body.
  • the attachment member and the main body are fixedly aligned with each other. In this way, a particularly well-defined attachment of the dental fitting to the first and second dental components can be achieved.
  • the coronal portion of the attachment member has a threaded section for attaching the dental fitting to the second dental component. Therefore, the attachment member, and thus the entire dental fitting, can be attached to the second dental component in an efficient and simple manner.
  • this attachment configuration does not require the presence of a channel with large dimensions in the second dental component. Further, also the dimensions of the dental fitting itself can be kept relatively small.
  • the dental fitting is widely applicable for various types of treatment, e.g., in different positions within the jaw of a patient which require a small sized dental fitting.
  • the dental fitting allows for attachment to the first dental component and to the second dental component in a versatile and efficient manner.
  • the dental fitting may be, for example, an abutment, e.g., a single-piece or a multi-piece abutment, an insert or a connector .
  • the first dental component may be, for example, a dental implant or an implant analogue, e.g., for use in a dental laboratory .
  • the second dental component may be, for example, a dental prosthesis, such as a dental crown or a dental bridge, a temporary restoration or a final restoration.
  • the dental fitting may be one piece of the abutment and the second dental component may be another piece of the abutment.
  • the one piece of the abutment comprises the attachment member and can be attached to the other piece of the abutment by the threaded section of the attachment member.
  • the first dental component may be made of, for example, a metal, such as titanium, a titanium alloy or stainless steel, a ceramic, a polymer material or a composite material.
  • the first dental component may be a dental implant made of, for example, a metal, such as titanium, a titanium alloy or stainless steel.
  • the second dental component may be made of, for example, a metal, a ceramic, porcelain, a polymer material or a
  • the main body and the attachment member of the dental fitting may be made from the same material or, preferably, from different materials.
  • the main body is made from a polymer material.
  • the attachment member is made from a metal, such as titanium, a titanium alloy or stainless steel.
  • the apical portion of the main body may be attachable to the first dental component by snap fit or friction fit.
  • the apical portion of the main body may comprise at least one elastically deformable element, e.g., at least one
  • the at least one elastically deformable element may be elastically deformable at least in one direction, a plurality of directions or all directions perpendicular to the longitudinal axis of the main body.
  • the at least one elastically deformable element may be configured for attaching the main body, and thus the entire dental fitting, to the first dental component, e.g., by snap fit or friction fit.
  • the at least one elastically deformable element may comprise at least one projection or protrusion extending from an outer surface thereof in one or more directions substantially perpendicular to the longitudinal axis of the main body.
  • the at least one projection or protrusion may be configured to be received in a corresponding cavity formed in a coronal portion of the first dental component, such as a dental implant .
  • the at least one elastically deformable element When attaching the main body to the first dental component, the at least one elastically deformable element may be initially elastically deformed, i.e., elastically compressed, along the transverse directions, i.e., the radial directions, of the main body and subsequently restored to its initial shape when the at least one projection or protrusion has been received in the corresponding cavity of the first dental component, due to the restoring force of the at least one elastically deformable element.
  • the main body can be attached to the first dental component by snap fit in a reliable and efficient manner.
  • At least a portion of the main body in particular, at least an apical portion of the main body, may have a non-circular shape in a cross-section perpendicular to the longitudinal axis of the main body.
  • the at least a portion of the main body may have an oval or elliptic shape in the cross-section perpendicular to the longitudinal axis of the main body.
  • the at least a portion of the main body may have a trioval shape in the cross- section perpendicular to the longitudinal axis of the main body.
  • Such a trioval shape has three radial maxima and three radial minima, i.e., three maxima and three minima in the radial directions of the main body.
  • a dental fitting having a main body with such an at least partial non-circular configuration can be particularly advantageously used for a first dental component, such as a dental implant, comprising an internal socket at least a portion of which has a non-circular shape in a cross-section perpendicular to a longitudinal axis of the first dental component.
  • the longitudinal axis of the first dental component extends along the direction from an apical end of the first dental component towards a coronal end of the first dental component.
  • the main body in a state in which the dental fitting is attached to the first dental component, the main body may be at least partly received within the internal socket so that the non-circular portion of the main body mates with the non circular portion of the internal socket.
  • the main body may have a tapering portion, such as a conical portion.
  • An outer circumference of the tapering portion may increase in the direction from the apical end of the main body towards the coronal end of the main body.
  • the tapering portion of the main body may be an apical portion of the main body .
  • At least a part of the tapering portion may have a non circular, e.g., trioval, oval or elliptic, shape in a cross- section perpendicular to the longitudinal axis of the main body .
  • the coronal portion of the attachment member may coronally extend beyond a coronal portion of the main body.
  • the coronal portion of the attachment member can be inserted into the second dental component, e.g., an apical portion thereof, and be attached to the second dental component by the
  • the coronal portion of the attachment member may be fully received within the main body.
  • the attachment member may be rotatable relative to the main body around the longitudinal axis of the attachment member.
  • the attachment member can be rotated relative to the main body while the main body may remain stationary.
  • This rotatable arrangement of the attachment member can facilitate the attachment of the dental fitting to the first dental component, e.g., via an additional attachment element, as will be further detailed below.
  • the threaded section of the coronal portion of the attachment member may comprise or consist of an outer threading.
  • the threading may be provided on an external surface of the coronal portion of the attachment member.
  • threading may be configured to cooperate with, e.g., engage, a fixation element, e.g., having an internal threading, provided in the second dental component.
  • the fixation element may be configured to fix the dental fitting to the second dental component in cooperation with the attachment member .
  • the threaded section of the coronal portion of the attachment member may comprise or consist of an internal threading.
  • the threading may be provided on an internal surface of the coronal portion of the attachment member, for example, on the inner surface of a socket provided in the coronal portion of the attachment member.
  • the internal threading may be
  • fixation element e.g., having an outer threading, provided in the second dental component.
  • the fixation element may be
  • the dental fitting may comprise the fixation element.
  • the second dental component may comprise the fixation element.
  • the main body may have a single-piece or a multi-piece, e.g., a two-piece, configuration.
  • the main body may comprise a base part and an insert part.
  • the insert part may be at least partly received within the base part.
  • the insert part may be arranged at a coronal portion of the base part.
  • the inset part may be at least partly received within an opening provided in the coronal portion of the base part.
  • a coronal portion of the insert part may coronally extend beyond the coronal portion of the base part, e.g., beyond a coronal end of the base part .
  • a lateral extension of the insert part e.g., a maximum diameter of the insert part, in the directions perpendicular to the longitudinal axis of the main body may be smaller than a lateral extension of the base part, e.g., a maximum
  • the lateral extension of the insert part may be smaller than the lateral extension of the base part at the coronal portion of the base part.
  • At least a portion of the base part in particular, at least an apical portion of the base part, may have a non-circular shape, such as an oval, elliptic or trioval shape, in a cross-section perpendicular to the longitudinal axis of the main body.
  • the base part may have a tapering portion, such as a conical portion.
  • An outer circumference of the tapering portion may increase in the direction from an apical end of the base part towards a coronal end of the base part.
  • the tapering portion of the base part may be an apical portion of the base part.
  • the entire base part may have a tapering shape, such as a conical shape.
  • An outer circumference of the tapering base part may increase in the direction from the apical end of the base part towards the coronal end of the base part.
  • At least a part of the tapering portion of the base part or of the tapering base part may have a non-circular, e.g., trioval, oval or elliptic, shape in a cross-section
  • the base part and the insert part may be made from the same material or from different materials.
  • the base part and/or the insert part may be made from a polymer material.
  • the insert part may be connected, e.g., fixedly attached, to the base part, for example, by snap fit, screw engagement, welding or gluing.
  • the insert part may be configured to restrict movement of the attachment member relative to the main body along the longitudinal axis of the main body in the coronal direction. In this way, the dental fitting can be assembled in a
  • the attachment member may be at least partly received within the base part first and, subsequently, the insert part may be attached to the base part, thereby restricting movement of the attachment member relative to the main body along the longitudinal axis of the main body in the coronal direction.
  • the dental fitting may further comprise an attachment element for attaching, e.g., fixing or securing, the dental fitting to the first dental component.
  • the attachment element may be arranged substantially apically to the attachment member.
  • attachment element may have a threaded section for attaching the dental fitting to the first dental component.
  • the attachment element may be in the form of a screw for attaching the dental fitting to the first dental
  • the attachment element may be at least partly received within the main body.
  • the attachment element may be at least partly received within the base part of the main body.
  • An apical portion of the attachment element e.g., having a threaded section for attaching the dental fitting to the first dental component, may extend apically beyond the apical end of the main body.
  • the attachment element may be rotatable relative to the main body around a longitudinal axis of the attachment element.
  • the longitudinal axis of the attachment element extends along the direction from an apical end of the attachment element towards a coronal end of the attachment element.
  • the dental fitting can be attached, e.g., fixed or secured, to the first dental component in a particularly simple manner, namely by screwing the attachment element into the first dental component.
  • the attachment element and the main body may be securely aligned with each other so that the longitudinal axis of the main body is substantially parallel to the longitudinal axis of the attachment element.
  • the dental fitting may be configured so that movement of the attachment element relative to the main body along the longitudinal axis of the main body is restricted at least in the apical direction. Movement of the attachment element relative to the main body along the longitudinal axis of the main body may be restricted in the apical direction by the main body, e.g., by an abutment portion of the main body.
  • the abutment portion may be provided, for example, in the base part of the main body.
  • the dental fitting may be configured so that movement of the attachment element relative to the main body along the longitudinal axis of the main body is restricted in the coronal direction. Movement of the attachment element relative to the main body along the longitudinal axis of the main body may be restricted in the coronal direction by the attachment member, e.g., due to abutment of a coronal portion of the attachment element against an apical portion of the attachment member.
  • the attachment element may be movable relative to the main body only over a predetermined distance, i.e., a limited distance, in the apical and coronal directions along the longitudinal axis of the main body, or the attachment element may be fixed in its position relative to the main body in the direction along the longitudinal axis of the main body.
  • attachment element restricted in the apical direction by the attachment element, e.g., due to abutment of the apical portion of the attachment member against the coronal portion of the attachment element.
  • the attachment element and the attachment member may be movable relative to each other in the directions, i.e., the coronal and apical directions, along the longitudinal axis of the main body.
  • the attachment member and the attachment element can be moved towards each other and away from each other along the longitudinal axis of the main body.
  • This arrangement further facilitates the process of attaching the dental fitting to the first and second dental components.
  • by moving the attachment member and the attachment element away from each other it can be reliably ensured that they do not interact with or influence each other. In this way, any undesired interference between the steps of attaching the dental fitting to the first dental component and attaching the dental fitting to the second dental component can be reliably avoided.
  • the attachment element and the attachment member may be configured so that they can be brought into releasable engagement with each other by relative movement between attachment element and attachment member in the directions, i.e., the coronal and apical directions, along the
  • attachment element can be manipulated by manipulating the attachment member and vice versa.
  • handleability of the dental fitting e.g., during attaching the dental fitting to the first dental component, is further improved .
  • engagement between these two components can be released by moving attachment member and attachment element away from each other along the longitudinal axis of the main body.
  • attachment member may be a rotational engagement around the longitudinal axis of the main body.
  • the attachment element can be rotated around the longitudinal axis of the main body by rotating the attachment member around the longitudinal axis of the main body and vice versa.
  • the process of attaching the dental fitting to the first and second dental components is further facilitated.
  • the dental fitting can be attached, e.g., fixed or secured, to the first dental component in a particularly simple manner, namely by rotating the attachment member around the longitudinal axis of the main body, thereby screwing the attachment element into the first dental component .
  • the invention provides a dental assembly comprising the dental fitting according to the invention and a first dental component, such as a dental implant, and/or a second dental component, such as a dental prosthesis.
  • the first dental component may be the first dental component described above.
  • the second dental component may be the second dental component described above.
  • the dental assembly of the invention provides the effects and advantages already described in detail above for the dental fitting of the invention.
  • the first dental component may be, for example, a dental implant or an implant analogue, e.g., for use in a dental laboratory .
  • the second dental component may be, for example, a dental prosthesis, such as a dental crown or a dental bridge, a temporary restoration or a final restoration.
  • the dental fitting may be one piece of the abutment and the second dental component may be another piece of the abutment.
  • the one piece of the abutment comprises the attachment member and can be attached to the other piece of the abutment by the threaded section of the attachment member.
  • the first dental component may be made of, for example, a metal, such as titanium, a titanium alloy or stainless steel, a ceramic, a polymer material or a composite material.
  • the first dental component may be a dental implant made of, for example, a metal, such as titanium, a titanium alloy or stainless steel.
  • the second dental component may be made of, for example, a metal, a ceramic, porcelain, a polymer material or a
  • the first dental component may comprise an internal socket.
  • the main body in particular, the base part thereof, may be at least partly received within the internal socket.
  • At least a portion of the internal socket may have a non circular shape in a cross-section perpendicular to the longitudinal axis of the first dental component.
  • At least a portion of the main body, in particular, the base part thereof, may have a non-circular shape in a cross-section perpendicular to the longitudinal axis of the main body.
  • the main body in a state in which the dental fitting is attached to the first dental component, the main body may be at least partly received within the internal socket so that the non circular portion of the main body mates with the non-circular portion of the internal socket.
  • the internal socket may have a tapering portion, such as a conical portion.
  • a circumference of the tapering portion may increase in the direction from an apical end of the first dental component towards a coronal end of the first dental component.
  • the tapering portion of the internal socket may be a coronal portion of the internal socket.
  • At least a part of the tapering portion of the internal socket may have a non-circular, e.g., trioval, oval or elliptic, shape in a cross-section perpendicular to the longitudinal axis of the first dental component.
  • the first dental component such as a dental implant, may have an attachment portion to which the attachment element of the dental fitting can be attached for attaching the dental fitting to the first dental component.
  • the attachment element may have a threaded section and the attachment portion of the first dental component may be a threaded bore for at least partly receiving the threaded section.
  • the attachment portion, such as the threaded bore, may be provided apically to the internal socket.
  • the invention provides a dental fitting attachable to a first dental component, such as a dental implant, and to a second dental component, such as a dental prosthesis.
  • the dental fitting comprises a main body, an attachment member which is at least partly received within the main body, and an attachment element which is at least partly received within the main body.
  • the attachment member is configured for attaching the dental fitting to the second dental component.
  • the attachment element is
  • the attachment element may be arranged substantially apically to the attachment member or apically to the attachment member .
  • the main body may be the main body described above.
  • the attachment member may be the attachment member described above.
  • the attachment element may be the attachment element described above.
  • the first dental component may be the first dental component described above.
  • component may be the second dental component described above.
  • the dental fitting may be, for example, an abutment, e.g., a single-piece or a multi-piece abutment, an insert or a connector .
  • the first dental component may be, for example, a dental implant or an implant analogue, e.g., for use in a dental laboratory .
  • the second dental component may be, for example, a dental prosthesis, such as a dental crown or a dental bridge, a temporary restoration or a final restoration.
  • the dental fitting may be one piece of the abutment and the second dental component may be another piece of the abutment.
  • the one piece of the abutment comprises the attachment member and can be attached to the other piece of the abutment by the attachment member.
  • a coronal portion of the attachment member may have a
  • attachment element may have a threaded section for attaching the dental fitting to the first dental component.
  • the attachment element may be in the form of a screw for attaching the dental fitting to the first dental
  • the dental fitting may be configured so that movement of the attachment member relative to the main body along a
  • the attachment member is movable relative to the main body only over a predetermined distance, i.e., a limited distance, in the apical and coronal directions along the longitudinal axis of the main body, or the attachment member is fixed in its position relative to the main body in the direction along the longitudinal axis of the main body.
  • the dental fitting may be configured so that movement of the attachment element relative to the main body along the longitudinal axis of the main body is restricted at least in the apical direction. Movement of the attachment element relative to the main body along the longitudinal axis of the main body may be restricted in the apical direction by the main body, e.g., by an abutment portion of the main body.
  • the abutment portion may be provided, for example, in a base part of the main body which will be further described below.
  • the dental fitting may be configured so that movement of the attachment element relative to the main body along the longitudinal axis of the main body is restricted in the coronal direction. Movement of the attachment element relative to the main body along the longitudinal axis of the main body may be restricted in the coronal direction by the attachment member, e.g., due to abutment of a coronal portion of the attachment element against an apical portion of the attachment member.
  • the attachment element may be movable relative to the main body only over a predetermined distance, i.e., a limited distance, in the apical and coronal directions along the longitudinal axis of the main body, or the attachment element may be fixed in its position relative to the main body in the direction along the longitudinal axis of the main body.
  • the attachment member and the main body may be securely aligned with each other so that the longitudinal axis of the main body is substantially parallel to a longitudinal axis of the attachment member.
  • the attachment element and the main body may be securely aligned with each other so that the longitudinal axis of the main body is substantially parallel to a longitudinal axis of the attachment element.
  • An apical portion of the main body may be attachable to the first dental component.
  • the coronal portion of the attachment member may coronally extend beyond a coronal portion of the main body.
  • An apical portion of the attachment element e.g., having a threaded section for attaching the dental fitting to the first dental component, may extend apically beyond the apical end of the main body.
  • the attachment member may be rotatable relative to the main body around the longitudinal axis of the attachment member.
  • the attachment element may be rotatable relative to the main body around the longitudinal axis of the attachment element.
  • the threaded section may comprise or consist of an outer threading or an internal threading.
  • the main body may comprise a base part and an insert part.
  • the insert part may be at least partly received within the base part.
  • the base part may be the base part described above.
  • the insert part may be the insert part described above.
  • the explanations and definitions provided above for the base part and the insert part fully apply to the base part and the insert part, respectively, according to the further aspect of the invention.
  • the attachment element may be at least partly received within the base part of the main body.
  • the insert part may be configured to restrict movement of the attachment member relative to the main body along the
  • the attachment element and the attachment member may be movable relative to each other in the directions along the longitudinal axis of the main body. In this case, the attachment member and the attachment element can be moved towards each other and away from each other along the
  • This arrangement further facilitates the process of attaching the dental fitting to the first and second dental components.
  • This arrangement further facilitates the process of attaching the dental fitting to the first and second dental components.
  • by moving the attachment member and the attachment element away from each other it can be reliably ensured that they do not interact with or influence each other. In this way, any undesired interference between the steps of attaching the dental fitting to the first dental component and attaching the dental fitting to the second dental component can be reliably avoided.
  • the attachment element and the attachment member may be configured so that they can be brought into releasable engagement with each other by relative movement between attachment element and attachment member in the directions along the longitudinal axis of the main body.
  • the attachment element can be manipulated by
  • the handleability of the dental fitting e.g., during attaching the dental fitting to the first dental component, is further improved.
  • engagement between these two components can be released by moving attachment member and attachment element away from each other along the longitudinal axis of the main body.
  • attachment member may be a rotational engagement around the longitudinal axis of the main body.
  • the attachment element can be rotated around the longitudinal axis of the main body by rotating the attachment member around the longitudinal axis of the main body and vice versa.
  • the process of attaching the dental fitting to the first and second dental components is further facilitated.
  • the dental fitting can be attached, e.g., fixed or secured, to the first dental component in a particularly simple manner, namely by rotating the attachment member around the longitudinal axis of the main body, thereby screwing the attachment element into the first dental component .
  • the invention provides a dental assembly comprising the dental fitting according to the further aspect and a first dental component, such as a dental implant, and/or a second dental component, such as a dental prosthesis.
  • the first dental component may be the first dental component described above.
  • the second dental component may be the second dental component described above.
  • the explanations and definitions provided above for the dental fitting, the first dental component and the second dental component fully apply to the dental assembly of the invention .
  • Fig. 1 is a cross-sectional view of a dental fitting
  • Fig. 2 is a cross-sectional view of a dental assembly
  • a first dental component i.e., a dental implant
  • a second dental component i.e., a dental prosthesis
  • Fig. 3 is an exploded view of the dental assembly shown in
  • Fig. 4 shows a dental assembly according to a second
  • Fig. 4(a) is a cross-sectional view of the dental assembly in an assembled state
  • Fig. 4(b) is a perspective view of an attachment member, an insert part and a fixation element of the dental assembly
  • Fig. 5 is a cross-sectional view illustrating a step of assembling the dental fitting for the dental assembly according to the second embodiment of the present invention
  • Fig. 6 shows a dental assembly according to a third
  • Fig. 6(a) is a cross-sectional view of the dental assembly in an assembled state
  • Fig. 6(b) is a perspective view of an attachment member, an insert part and a fixation element of the dental assembly
  • Fig. 7 shows a dental assembly according to a fourth
  • Fig. 7(a) is a cross-sectional view of the dental assembly in an assembled state
  • Fig. 7(b) is a perspective view of an attachment element, an attachment member, an insert part and a fixation element of the dental assembly.
  • FIG 1 shows a dental fitting 1 according to a first embodiment of the present invention.
  • the dental fitting 1 is an abutment attachable to a first dental component, such as a dental implant, and to a second dental component, such as a dental prosthesis (see Figure 2) .
  • the dental fitting 1 comprises a main body 2 and an
  • the attachment member 4 which is partly received within the main body 2.
  • the main body 2 can be made from a metal, such as titanium, a titanium alloy or stainless steel or from a polymer material.
  • the attachment member 4 is made from a metal, such as titanium, a titanium alloy or stainless steel.
  • the attachment member 4 is in the form of a screw which is arranged upside down relative to the main body 2, i.e., so that a threaded section 6 thereof is arranged at a coronal portion of the attachment member 4.
  • the threaded section 6 of the attachment member 4 is an outer threading which is provided on an outer surface of the coronal portion of the attachment member 4.
  • the threaded section 6 is configured for attaching the dental fitting 1 to the second dental component (see Figure 2) .
  • attachment member 4 having the threaded section 6, coronally extends beyond a coronal end of the main body 2.
  • the dental fitting 1 further comprises an attachment element 8 for fixedly attaching the dental fitting 1 to the first dental component (see Figure 2) .
  • the attachment element 8 is partly received within the main body 2.
  • the attachment element 8 is arranged apically to the attachment member 4, as is shown in Figure 1.
  • An apical portion of the attachment element 8 has a threaded section 10 for attaching the dental fitting 1 to the first dental component.
  • the attachment element 8 is in the form of a screw for attaching the dental fitting 1 to the first dental component by screw engagement.
  • the apical portion of the attachment element 8, having the threaded section 10, extends apically beyond an apical end of the main body 2.
  • the attachment member 4 and the main body 2 are securely aligned with each other so that the longitudinal axis of the main body 2 is parallel to the longitudinal axis of the attachment member 4. Further, also the attachment element 8 and the main body 2 are securely aligned with each other so that the longitudinal axis of the main body 2 is parallel to the longitudinal axis of the attachment element 8.
  • the main body 2 comprises a base part 12 and an insert part 14.
  • the insert part 14 is partly received within the base part 12.
  • the insert part 14 comprises a flange portion 16 and an insertion portion 18 arranged apically to the flange portion 16.
  • the insertion portion 18 is fully received within an opening provided in the coronal portion of the base part 12.
  • the flange portion 16 rests on a coronal surface of the base part 12.
  • the diameter of the flange portion 16 is smaller than the diameter of the coronal portion of the base part 12.
  • a bearing surface 20, arranged circumferentially around the flange portion 16, is maintained at the coronal end of the base part 12.
  • the bearing surface 20 is configured for receiving an apical end surface of the second dental
  • the base part 12 has a tapering shape, as is shown in Figure 1.
  • An outer circumference of the tapering base part 12 increases in the direction from the apical end of the base part 12 towards the coronal end of the base part 12.
  • the insert part 14 is fixedly attached to the base part 12, for example, by snap fit, screw engagement, welding or gluing .
  • the dental fitting 1 is configured so that movement of the attachment member 4 and the attachment element 8 relative to the main body along the longitudinal axis of the main body 2 is restricted in the apical and coronal directions.
  • the attachment member 4 and the attachment element 8 are fixed in their positions relative to the main body 2 in the directions along the longitudinal axis of the main body 2.
  • Movement of the attachment element 8 relative to the main body 2 along the longitudinal axis of the main body 2 is restricted in the apical direction by an abutment portion 22 extending along an inner circumference of the base part 12 of the main body 2. Specifically, the coronal portion of the attachment element 8 abuts against the abutment portion 22, thereby preventing the attachment element 8 from moving in the apical direction.
  • Movement of the attachment element 8 relative to the main body 2 along the longitudinal axis of the main body 2 is restricted in the coronal direction by the attachment member 4 due to abutment of the coronal end of the attachment element 8 against the apical end of the attachment member 4.
  • This arrangement also restricts movement of the attachment member 4 relative to the main body 2 along the longitudinal axis of the main body 2 in the apical direction.
  • the insert part 14 is configured to restrict movement of the attachment member 4 relative to the main body 2 along the longitudinal axis of the main body 2 in the coronal
  • an apical portion of the attachment member 4 abuts against the apical end surface of the insertion portion 18 of the insert part 14, thereby preventing the attachment member 4 from moving in the coronal direction.
  • the configuration of the first embodiment shown in Figure 1 may be modified so that attachment member 4 and attachment element 8 are movable relative to the main body 2 over a predetermined distance, i.e., a limited distance, in the apical and coronal directions along the longitudinal axis of the main body 2.
  • the dental fitting 1 can be configured so that attachment member 4 and attachment element 8 are movable relative to each other in the directions, i.e., the coronal and apical directions, along the longitudinal axis of the main body 2. In this case, the attachment member 4 and the attachment element 8 can be moved towards each other and away from each other along the longitudinal axis of the main body 2.
  • the attachment member 4 and the attachment element 8 are arranged so as to be rotatable relative to the main body 2 around their respective longitudinal axes.
  • the attachment member 4 and the attachment element 8 are provided as separate components but engaged with each other at their abutting surfaces, i.e., at the coronal end surface of the attachment element 8 and the apical end surface of the attachment member 4.
  • the coronal end surface of the attachment element 8 can be provided with a cross-shaped protrusion 24, as is shown in Figure 3. This protrusion 24 is received within a corresponding recess (not shown) formed in the apical end surface of the attachment member 4, thereby establishing rotational engagement between attachment member 4 and attachment element 8 around the longitudinal axis of the main body 2.
  • the engagement between attachment member 4 and attachment element 8 is also shown in Figure 1. Due to this engagement, the attachment element 8 can be rotated around the longitudinal axis of the main body 2 by rotating the attachment member 4 around the longitudinal axis of the main body 2.
  • the configuration of the first embodiment shown in Figure 1 may be modified so that
  • attachment member 4 and attachment element 8 are movable relative to each other in the directions along the
  • the dental fitting 1 may be configured so that attachment member 4 and attachment element 8 can be brought into releasable engagement, in particular, releasable rotational engagement around the longitudinal axis of the main body 2, with each other by relative movement between attachment element 8 and attachment member 4 in the directions along the longitudinal axis of the main body 2.
  • attachment element 8 and attachment member 4 By moving attachment element 8 and attachment member 4 towards each other, the protrusion 24 of the attachment element 8 can be received within the recess of the attachment member 4, thereby establishing rotational engagement.
  • This engagement can be released by moving attachment member 4 and attachment element 8 away from each other along the longitudinal axis of the main body 2.
  • the apical portion of the main body 2 is attachable to the first dental component (see Figure 2) by snap fit.
  • the apical portion of the main body 2 comprises an elastically deformable element 26 which is substantially in the form of a ring (see Figure 1) .
  • the elastically deformable element 26 is elastically deformable in all directions perpendicular to the longitudinal axis of the main body 2.
  • the elastically deformable element 26 comprises a protrusion 28 projecting from an outer surface thereof in the directions substantially perpendicular to the longitudinal axis of the main body 2.
  • the protrusion 28 may extend along the entire circumference of the elastically deformable element 26 or along only a part thereof. Also, a plurality of protrusions 28 may be provided along the circumference of the elastically deformable element 26.
  • the dental fitting 1 can be assembled by inserting the attachment element 8 and the attachment member 4 into the base part 12 and, subsequently, attaching the insert part 14 to the base part 12, e.g., by snap fit, screw engagement, welding or gluing (see Figure 3) . In this way, the dental fitting 1 shown in Figure 1 can be obtained in in a simple, reliable and efficient manner.
  • the dental assembly comprises the dental fitting 1, a first dental component 30 in the form of a dental implant and a second dental component 40 in the form of a dental prosthesis (see Figure 2) .
  • the dental assembly is shown in Figure 2 in an assembled state, i.e., in a state in which the dental fitting 1 is fully attached to the first dental component 30 and the second dental component 40.
  • the first dental component 30 is made of a metal, such as titanium, a titanium alloy or stainless steel.
  • the first dental component 30 has an outer threaded portion 32 for screwing the first dental component 30 into a patient's jaw bone .
  • the first dental component 30 comprises an internal socket 34 arranged at a coronal portion of the first dental component 30.
  • the internal socket 34 is tapered so that a circumference of the internal socket 34 increases in the direction from an apical end of the first dental component 30 towards a coronal end of the first dental component 30.
  • the taper of the internal socket 34 matches the taper of the base part 12 of the main body 2.
  • the first dental component 30 has a threaded bore 36 for receiving the
  • the threaded bore 36 is provided apically to the internal socket 34.
  • a cavity 38 for receiving the protrusion 28 of the elastically deformable element 26 is provided along the inner circumference of the internal socket 34.
  • the dental fitting 1 in its assembled state is first inserted into the first dental component 30.
  • the elastically deformable element 26 is initially elastically deformed
  • the main body 2 is releasably attached to the first dental component 30 by snap fit .
  • the dental fitting 1 is fixedly attached to the first dental component 30 by screwing the attachment element 8 into the first dental component 30, so that the threaded section 10 of the attachment element 8 is received within the threaded bore 36 (see Figure 2) .
  • This screwing step is performed by rotating the attachment member 4, which is in rotational engagement with the attachment element 8, around the longitudinal axis of the main body 2.
  • the coronal end surface of the attachment member 4, which is freely accessible from the outside is provided with a plurality of recesses 5 (see Figure 3) . These recesses 5 can be engaged by a driving tool (not shown) , thus allowing for the attachment member 4 to be rotated around the longitudinal axis of the main body 2 by means of the driving tool. Due to the rotatable arrangement of attachment member 4 and
  • attachment member 4 and attachment element 8 can be rotated relative to the first dental component 30 without rotating the main body
  • the dental fitting 1 can be removed from the first dental component 30 in a particularly simple and efficient manner. If the attachment element 8 is unscrewed from the first dental component 30 by rotating the attachment member 4, the entire dental fitting 1 is pushed out of the first dental component 30, since attachment member 4 and attachment element 8 are fixed in their positions relative to the main body 2 in the directions along the longitudinal axis of the main body 2. Thus, no additional tool, such as a retrieval tool, is required for removing the dental fitting 1 from the first dental component 30.
  • the second dental component 40 is a dental prosthesis which is schematically shown in Figures 2 and 3.
  • the second dental component 40 may be made of ceramic, porcelain, a polymer material or a composite
  • the second dental component 40 is arranged on the coronal portion of the dental fitting 1 so that an apical end surface of the second dental component 40 abuts against the bearing surface 20 of the base part 12.
  • the coronal portion of the attachment member 4 and the flange portion 16 of the insert part 14 are received within an opening 42 of the second dental component 40 which extends through the second dental component 40 from an apical end to a coronal end thereof (see Figure 2) .
  • a fixation element 29 is inserted into the opening 42 from the coronal end of the second dental
  • the fixation element 29 has an internal threading which is configured to cooperate with, i.e., engage, the threaded section 6 of the attachment member 4.
  • the fixation element 29 may be in the form of a screw nut or the like.
  • the fixation element 29 is screwed onto the threaded section 6 of the attachment member 4. In the screwed on state of the fixation element 29, an apical end surface of the fixation element 29 abuts against an abutment portion 44 arranged along the inner circumference of the opening 42, thereby fixedly attaching the second dental component 40 to the dental fitting 1 .
  • the dental fitting 101 according to the second embodiment differs from the dental fitting 1 according to the first embodiment mainly in the configurations and arrangements of the attachment member and the attachment element.
  • the elements which are similar or substantially identical to those of the first embodiment are denoted by the same reference signs and a repeated detailed description thereof is omitted.
  • Figure 4 (a) shows a dental assembly according to a second embodiment of the present invention, comprising the dental fitting 101, the first dental component 30 and the second dental component 40.
  • the first and second dental components 30 and 40 are similar to those of the dental assembly of the first embodiment and, thus, have been denoted with the same reference signs. Further, a repeated detailed description thereof is omitted.
  • the dental fitting 101 has substantially the same general configuration as the dental fitting 1 and comprises a main body 102, an attachment member 104 and an attachment element 108.
  • the dental fittings 101 and 1 mainly differ from each other in that attachment member 104 and attachment element 108 are movable relative to the main body 102 over a predetermined distance in the apical and coronal directions along the longitudinal axis of the main body 102, in that attachment member 104 and attachment element 108 are not engaged or engageable with each other, and in that attachment member 104 is provided with an internal threaded section 106.
  • the coronal portion of the attachment member 104 is partially or fully received within the main body 102.
  • an insert part 114 of the main body 102 is provided with an outer threading 115 rather than a flange portion at a coronal portion thereof (see Figure 4 (b) ) .
  • the dental fitting 101 is configured so that attachment member 104 and attachment element 108 are movable relative to each other in the directions, i.e., the coronal and apical directions, along the longitudinal axis of the main body 102.
  • the attachment member 104 and the attachment element 108 can be moved towards each other and away from each other along the longitudinal axis of the main body 102.
  • attachment element 108 are received within the first dental component 30.
  • the apical portion of the base part 112 may be attached to the first dental component 30 by snap fit
  • the attachment element 108 is fixedly attached to the first dental component 30 by screwing the attachment element 108 into the first dental component 30. In this way, also the base part 112 is fixed to the first dental component 30.
  • This screwing step is performed by directly rotating the attachment element 108 around its longitudinal axis, e.g., by using a driving tool (not shown) which engages the coronal portion of the attachment element 108.
  • a driving tool not shown
  • the outcome of this step is shown in Figure 5.
  • the insert part 114 having the attachment member 104 partly received therein, is attached to the base part 112 fixed to the first dental component 30.
  • a handling tool 150 holding and guiding insert part 114 and attachment member 104, is used (see Figure 5) .
  • the handling tool 150 may be screwed onto the insert part 114 by means of the outer threading 115 (see Figure 4 (b) ) so that the insert part 114 can be held and guided in a particularly reliable and efficient manner by the handling tool 150.
  • the insert part 114 may be attached to the base part 112 by snap fit, screw engagement, welding or gluing.
  • the insert part 114 is preferably attached to the base part 112 by snap fit, namely by means of elastic fingers 117 of the insert part 114 (see Figure 4 (b) ) .
  • the fully attached state of the insert part 114 is shown in Figure 4 (a) .
  • the dental fitting 101 is attached to the second dental component 40.
  • This step is performed in a manner similar to that described above for the dental assembly of the first embodiment, the main difference being that a fixation element 129 with an outer threading 131 (see Figure 4(b)) is used for fixing the dental fitting 101 to the second dental component 40.
  • the outer threading 131 of the fixation element 129 is configured to cooperate with, i.e., engage, the internal threaded section 106 of the attachment member 104.
  • the dental fitting 101 is fixedly attached to the second dental component 40.
  • a dental fitting 201 according to a third embodiment of the present invention will be described with reference to Figure 6.
  • the dental fitting 201 according to the third embodiment differs from the dental fitting 101 according to the second embodiment mainly in the configuration of the attachment member.
  • the elements which are similar or substantially identical to those of the second embodiment are denoted by the same reference signs and a repeated detailed description thereof is omitted.
  • Figure 6(a) shows a dental assembly according to a third embodiment of the present invention, comprising the dental fitting 201, the first dental component 30 and the second dental component 40.
  • the first and second dental components 30 and 40 are substantially identical to those of the dental assemblies of the first and second embodiments and, thus, have been denoted with the same reference signs. Further, a repeated detailed description thereof is omitted.
  • the dental fitting 201 has substantially the same general configuration as the dental fitting 101 and comprises a main body 202, an attachment member 204 and an attachment element 208.
  • the dental fittings 201 and 101 mainly differ from each other in that the attachment member 204 is provided with an outer threaded section 206 (see Figure 6(b)) .
  • the threaded section 206 of the attachment member 204 is an outer threading which is provided on an outer surface of the coronal portion of the attachment member 204.
  • the threaded section 206 is configured for attaching the dental fitting 201 to the second dental component 40 (see Figure 6(a)) .
  • the coronal portion of the attachment member 204, having the threaded section 206, coronally extends beyond a coronal end of the main body 202.
  • an insert part 214 of the main body 202 is provided at a coronal portion thereof with a flange portion 215 having flattened sections at its circumference rather than with an outer threading (see Figure 6(b)) .
  • attachment element 208 are received within the first dental component 30.
  • the apical portion of the base part 212 may be attached to the first dental component 30 by snap fit
  • the attachment element 208 is fixedly attached to the first dental component 30 by screwing the attachment element 208 into the first dental component 30. In this way, also the base part 212 is fixed to the first dental component 30.
  • This screwing step is performed by directly rotating the attachment element 208 around its longitudinal axis, e.g., by using a driving tool (not shown) which engages the coronal portion of the attachment element 208.
  • the outcome of this step is shown in Figure 6(a) .
  • the insert part 214 having the attachment member 204 partly received therein, is attached to the base part 212 fixed to the first dental component 30.
  • a handling tool (not shown) , holding and guiding insert part 214 and attachment member 204, may be used.
  • the handling tool may be attached to the insert part 214 by means of the flange portion 215 with the
  • the insert part 214 may be attached to the base part 212 by snap fit, screw engagement, welding or gluing.
  • the insert part 214 is preferably attached to the base part 212 by snap fit, namely by means of elastic fingers 217 of the insert part 214 (see Figure 6 (b) ) .
  • the fully attached state of the insert part 214 is shown in Figure 6(a) .
  • the dental fitting 201 is attached to the second dental component 40.
  • This step is performed in a manner similar to that described above for the dental assembly of the first embodiment.
  • a fixation element 229 is inserted into an opening of the second dental component 40 from the coronal end thereof.
  • the fixation element 229 has an internal threading 231 which is configured to cooperate with, i.e., engage, the threaded section 206 of the attachment member 204 (see Figure 6(b)) .
  • the fixation element 229 may be in the form of a screw nut or the like.
  • the fixation element 229 is screwed onto the threaded section 206 of the attachment member 204.
  • the dental fitting 201 is fixedly attached to the second dental component 40.
  • the dental fitting 301 according to the fourth embodiment differs from the dental fitting 101 according to the second embodiment mainly in the configuration and the arrangement of the attachment member and the attachment element.
  • the elements which are similar or substantially identical to those of the second embodiment are denoted by the same reference signs and a repeated detailed description thereof is omitted.
  • Figure 7 (a) shows a dental assembly according to a fourth embodiment of the present invention, comprising the dental fitting 301, the first dental component 30 and the second dental component 40.
  • the first and second dental components 30 and 40 are substantially identical to those of the dental assemblies of the first to third embodiments and, thus, have been denoted with the same reference signs. Further, a repeated detailed description thereof is omitted.
  • the dental fitting 301 has substantially the same general configuration as the dental fitting 101 and comprises a main body 302, an attachment member 304 and an attachment element 308.
  • the dental fittings 301 and 101 mainly differ from each other in that the attachment member 304 and the attachment element 308 are provided as separate components but engaged with each other at their abutting surfaces, i.e., at the coronal end surface of the attachment element 308 and the apical end surface of the attachment member 304.
  • the coronal end surface of the attachment element 308 is provided with a protrusion 324, e.g., a substantially hexagonal protrusion, as is shown in Figure 7 (b) .
  • This protrusion 324 is received within a corresponding recess 325 formed in the apical end surface of the attachment member 304, thereby establishing rotational engagement between attachment member 304 and attachment element 308 around the longitudinal axis of the main body 302.
  • the engagement between attachment member 304 and attachment element 308 is shown in Figure 7 (a) . Due to this engagement, the attachment element 308 can be rotated around the
  • This engagement configuration of the dental fitting 301 is similar to that of the dental fitting 1 of the first embodiment.
  • the configuration of the fourth embodiment shown in Figure 7 may be modified so that attachment member 304 and attachment element 308 are movable relative to each other in the
  • the dental fitting 301 may be configured so that attachment member 304 and attachment element 308 can be brought into releasable engagement, in particular, releasable rotational engagement around the longitudinal axis of the main body 302, with each other by relative movement between attachment element 308 and attachment member 304 in the directions along the longitudinal axis of the main body 302.
  • attachment element 308 and attachment member 304 By moving attachment element 308 and attachment member 304 towards each other, the protrusion 324 of the attachment element 308 can be received within the recess 325 of the attachment member 304, thereby establishing rotational engagement.
  • This engagement can be released by moving attachment member 304 and attachment element 308 away from each other along the longitudinal axis of the main body 302.
  • the attachment member 304 is provided with an internal threaded section 306 (see Figure 7(b)) .
  • the coronal portion of the attachment member 304 coronally extends beyond a coronal end of the main body 302.
  • An insert part 314 of the main body 302 is provided at a coronal portion thereof with a flange portion 315 having flattened sections at its
  • the insert part 314 may be attached to a base part 312 of the main body 302 by snap fit, screw engagement, welding or gluing. In the present
  • the insert part 314 is preferably attached to the base part 312 by snap fit, namely by means of elastic fingers 317 of the insert part 314 (see Figure 7 (b) ) .
  • the dental fitting 301 in its assembled state is inserted into the first dental component 30.
  • the apical portion of the base part 312 may be attached to the first dental component 30 by snap fit substantially in the same manner as detailed above for the dental fitting 1 of the first embodiment.
  • the dental fitting 301 is fixedly attached to the first dental component 30 by screwing the attachment element 308 into the first dental component 30. This screwing step is performed by rotating the attachment member 304, which is in rotational engagement with the attachment element 308, around the longitudinal axis of the main body 302.
  • the coronal end portion of the attachment member 304 which is freely accessible from the outside, is provided with a substantially hexagonal outer engagement portion 326 (see Figure 7(b)) .
  • This engagement portion 326 can be engaged by a driving tool (not shown) , thus allowing for the attachment member 304 to be rotated around the longitudinal axis of the main body 302 by means of the driving tool. Due to the rotatable arrangement of attachment member 304 and attachment element 308 relative to the main body 302, attachment member 304 and attachment element 308 can be rotated relative to the first dental component 30 without rotating the main body 302, i.e., while the main body 302 remains stationary.
  • the dental fitting 301 After the dental fitting 301 has been fixedly attached to the first dental component 30 in the manner detailed above, the dental fitting 301 is attached to the second dental component 40. This step is performed in a manner similar to that described above for the dental assembly of the second
  • a fixation element 329 with an outer threading 331 (see Figure 7(b)) .
  • the outer threading 331 of the fixation element 329 is configured to cooperate with, i.e., engage, the internal threaded section 306 of the attachment member 304.

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Prosthetics (AREA)

Abstract

L'invention concerne un appareil dentaire (1) pouvant se fixer à un premier composant dentaire (30), tel qu'un implant dentaire, et à un second composant dentaire (40), tel qu'une prothèse dentaire. L'appareil dentaire (1) comprend un corps principal (2) et un élément de fixation (4) qui est au moins partiellement logé à l'intérieur du corps principal (2). Le corps principal (2) est configuré de telle sorte que le mouvement de l'élément de fixation (4) par rapport au corps principal (2) le long d'un axe longitudinal du corps principal (2) est limité dans les directions apicale et coronaire. L'élément de fixation (4) et le corps principal (2) sont alignés de telle sorte que l'axe longitudinal du corps principal (2) est sensiblement parallèle à un axe longitudinal de l'élément de fixation (4). Une partie apicale du corps principal (2) peut être fixée au premier composant dentaire (30). Une partie coronaire de l'élément de fixation (4) a une section filetée (6) pour fixer l'appareil dentaire (1) au second composant dentaire (40). L'appareil dentaire (1) comprend une partie de fixation (8) pour fixer l'appareil dentaire au composant dentaire (30). L'élément de fixation (4) et la partie de fixation (8) sont des composants séparés. L'invention concerne en outre un ensemble dentaire comprenant l'appareil dentaire (1) et un premier composant dentaire (30) et/ou un second composant dentaire (40).
PCT/EP2019/085407 2018-12-18 2019-12-16 Appareil dentaire pouvant se fixer à des premier et second composants dentaires, et ensemble dentaire comprenant l'appareil dentaire WO2020127087A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP18213741 2018-12-18
EP18213741.4 2018-12-18

Publications (1)

Publication Number Publication Date
WO2020127087A1 true WO2020127087A1 (fr) 2020-06-25

Family

ID=64745993

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/085407 WO2020127087A1 (fr) 2018-12-18 2019-12-16 Appareil dentaire pouvant se fixer à des premier et second composants dentaires, et ensemble dentaire comprenant l'appareil dentaire

Country Status (1)

Country Link
WO (1) WO2020127087A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6012923A (en) * 1998-07-30 2000-01-11 Sulzer Calcitek Inc. Two-piece dental abutment with removable cuff
WO2001085050A2 (fr) * 2000-05-11 2001-11-15 Nobel Biocare Ab Systeme de point d'appui de guerison
EP2868291A1 (fr) * 2012-06-29 2015-05-06 Dentoz Co., Ltd. Implant dentaire
WO2015097128A1 (fr) * 2013-12-24 2015-07-02 Straumann Holding Ag Vis dentaire auto-rétentive
WO2018081312A1 (fr) * 2016-10-25 2018-05-03 Chi Keung Lee Système d'implant dentaire avec mécanismes de verrouillage et de récupération positifs de vis de butée

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6012923A (en) * 1998-07-30 2000-01-11 Sulzer Calcitek Inc. Two-piece dental abutment with removable cuff
WO2001085050A2 (fr) * 2000-05-11 2001-11-15 Nobel Biocare Ab Systeme de point d'appui de guerison
EP2868291A1 (fr) * 2012-06-29 2015-05-06 Dentoz Co., Ltd. Implant dentaire
WO2015097128A1 (fr) * 2013-12-24 2015-07-02 Straumann Holding Ag Vis dentaire auto-rétentive
WO2018081312A1 (fr) * 2016-10-25 2018-05-03 Chi Keung Lee Système d'implant dentaire avec mécanismes de verrouillage et de récupération positifs de vis de butée

Similar Documents

Publication Publication Date Title
US10952826B2 (en) System and method of dental implant and interface to abutment for restoration
US8408904B2 (en) Coupling for a multi-part dental implant system
US8033826B2 (en) Two-piece dental abutment system
JP2012501217A (ja) 歯科用固定装置および方法
CA2795409A1 (fr) Vis d'assemblage pour un implant dentaire
US10470851B2 (en) Self-retaining dental screw
WO2019162446A1 (fr) Localisateur de position pouvant se fixer à un élément dentaire, et ensemble dentaire comprenant le localisateur de position
JP6639286B2 (ja) 貫通固定される多数の義歯
US20020018980A1 (en) Dental prosthesis laboratory analog
KR101387574B1 (ko) 임플란트용 픽스쳐 식립 장치
WO2020127087A1 (fr) Appareil dentaire pouvant se fixer à des premier et second composants dentaires, et ensemble dentaire comprenant l'appareil dentaire
US20100143865A1 (en) Instrument for removing a screw stump of a connecting screw of a tooth implant
KR102208556B1 (ko) 임플란트 구조체 및 어버트먼트
WO2019101996A1 (fr) Appareil dentaire pouvant se fixer à un élément dentaire, et ensemble dentaire comprenant un appareil dentaire
AU2011202557B2 (en) Improved coupling for a multi-part dental implant system
WO2015101993A1 (fr) Maintien en place de prothèses dentaires et piliers
KR20150045822A (ko) 임플란트 고정체 제거장치

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19817759

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19817759

Country of ref document: EP

Kind code of ref document: A1