CN113598986A - Tongue force and occlusal force mediated invisible correcting device and manufacturing method - Google Patents
Tongue force and occlusal force mediated invisible correcting device and manufacturing method Download PDFInfo
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- CN113598986A CN113598986A CN202111007406.9A CN202111007406A CN113598986A CN 113598986 A CN113598986 A CN 113598986A CN 202111007406 A CN202111007406 A CN 202111007406A CN 113598986 A CN113598986 A CN 113598986A
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/002—Orthodontic computer assisted systems
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/08—Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
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- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
- A61C7/002—Orthodontic computer assisted systems
- A61C2007/004—Automatic construction of a set of axes for a tooth or a plurality of teeth
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Abstract
The invention discloses a lingual occlusal force mediated invisible correcting device and a manufacturing method thereof, wherein the lingual occlusal force mediated invisible correcting device comprises: the invisible tooth socket comprises an upper tooth socket and a lower tooth socket which are respectively worn on the upper dentition and the lower dentition; the mediating structure is connected between molars at two sides of the upper tooth socket and positioned above the tongue body, and the shape of the mediating structure is adapted to the tongue shape and the palate shape; the inclined plane structure comprises an upper tooth guide inclined plane component and a lower tooth guide inclined plane component, the upper tooth guide inclined plane component is arranged on molar closing surfaces on two sides of the upper tooth socket, the lower tooth guide inclined plane component is arranged on the molar closing surfaces on two sides of the lower tooth socket, and when the upper and lower teeth are occluded, the upper tooth guide inclined plane component and the lower tooth guide inclined plane component can be mutually embedded to guide the lower jaw to extend forwards or move backwards. The invention provides convenience for better transferring the tongue force and the occlusal force, vertically controlling molar teeth and adjusting the jaw position of the lower jaw.
Description
Technical Field
The invention belongs to the field of orthodontic equipment and technology, and more particularly relates to a lingual occlusal force mediated invisible correcting device and a manufacturing method thereof.
Background
In recent years, the clinical application range of invisible correction is gradually expanded, and the characteristics of invisibility, comfort and beauty are more and more favored by doctors and patients. Vertical control of molar is always a hot spot and a difficult point in orthodontic treatment, and in fixed correction, an orthodontist can use measures such as an extraoral arch, a vertical chin pocket or a cross palate bar to press down molar. However, in the field of invisible orthosis treatment, these conventional treatment methods do not combine well with invisible orthosis. At present, only the implant nail has definite curative effect, but the implantation of the implant nail belongs to an invasive process, and a series of risks of tooth root damage, implant nail falling and the like exist.
Therefore, it is expected to develop a tongue force and occlusal force mediated invisible correcting device and a manufacturing method thereof, which provide convenience for better transferring tongue force and occlusal force, vertically controlling molar teeth and adjusting mandibular jaw position.
Disclosure of Invention
The invention aims to provide a tongue force and occlusal force mediated invisible correcting device and a manufacturing method thereof, which can transfer the tongue muscle force of upward and backward movement of a tongue body of a patient when the patient swallows to upper and rear teeth, provide upward and backward force to the upper and rear teeth, play a role in preventing the upper and rear teeth from extending or moving forwards, and can simultaneously correct teeth and adjust the jaw position of a lower jaw.
In order to achieve the above object, the present invention provides an invisible orthodontic device mediated by lingual occlusal force, comprising:
the invisible tooth socket comprises an upper tooth socket and a lower tooth socket which are respectively used for being worn on the upper dentition and the lower dentition;
the mediating structure is connected between molars at two sides of the upper dental sheath and is positioned above the tongue body, and the shape of the mediating structure is adapted to the tongue shape and the palate shape;
the upper tooth guide inclined plane assembly is arranged on molar occlusion surfaces on two sides of the upper tooth socket, and the lower tooth guide inclined plane assembly is arranged on the molar occlusion surfaces on two sides of the lower tooth socket.
Optionally, a posterior maxillary occlusal pad is also included;
the upper dental articulator is arranged on the molar articulation surfaces on the two sides of the upper dental mouthpiece, and the two ends of the mediating structure are respectively connected with the upper dental articulator;
the upper teeth guiding inclined plane component is arranged on the upper jaw posterior bite block;
when the upper teeth and the lower teeth of the patient are occluded, the upper jaw posterior bite-block and the molar bite-block surface of the lower tooth socket are mutually attached.
Optionally, the posterior maxillary occlusal pad is a hollow structure.
Optionally, the posterior maxillary bite block is integrally formed with the upper shell and the mediating structure.
Optionally, the molar region of the upper shell and the molar region of the lower shell are each provided with a thickness-enhancing layer.
Optionally, the upper dental lead bevel assembly comprises a plurality of upper dental lead bevels, each upper dental lead bevel comprises a first bevel and a first connecting portion connected to each other, the first connecting portion is located at one molar fitting surface of the upper shell, and the first bevel forms an included angle with the one molar fitting surface of the upper shell;
the lower tooth guide inclined plane assembly comprises a plurality of lower tooth guide inclined planes, each lower tooth guide inclined plane comprises a second inclined plane and a second connecting part which are connected with each other, the second connecting part is positioned at one molar fitting surface of the lower tooth socket, and an included angle is formed between each second inclined plane and the corresponding molar fitting surface of the lower tooth socket;
the upper tooth guide inclined planes correspond to the lower tooth guide inclined planes one by one, and the first inclined planes are parallel to the second inclined planes.
Optionally, the thickness adjusting device further comprises a thickness adjusting pad, and the thickness adjusting pad is arranged on the first inclined surface or the second inclined surface.
Optionally, the thickness of the molar area of the upper tooth socket and the lower tooth socket is 2mm-3mm, and the connection part of the upper tooth socket and the mediating structure is in gradual transition;
the thickness of the mediating device is 1.5mm-3 mm.
The invention also provides a manufacturing method for manufacturing the tongue force and occlusal force mediated invisible correcting device, which comprises the following steps:
1) acquiring a tongue position record and a tongue swallowing position record of a patient;
2) acquiring a digital model of dentition, tongue position record and tongue swallowing position record of a patient through scanning;
3) establishing a three-dimensional digital model of the invisible tooth socket according to the digital model of the dentition, and establishing a three-dimensional digital model of the mediated structure on the three-dimensional digital model of the invisible tooth socket according to the digital model of the tongue position record and the digital model of the tongue swallowing position record;
4) according to the correction scheme of the patient, a three-dimensional digital model of the guide slope structure is established on the three-dimensional digital model of the invisible braces;
5) and integrally forming and printing the three-dimensional digital model of the invisible tooth socket, the mediating structure and the guide slope structure.
Optionally, a posterior maxillary occlusal pad is also included; the upper dental articulator is arranged on the molar articulation surfaces on the two sides of the upper dental mouthpiece, and the two ends of the mediating structure are respectively connected with the upper dental articulator; the upper teeth guiding inclined plane component is arranged on the upper jaw posterior bite block; when the upper teeth and the lower teeth of the patient are occluded, the molar occlusion surfaces of the upper posterior maxillary occlusal pad and the lower dental socket are mutually attached;
the step 3) and the step 4) further comprise the following steps: and manufacturing a three-dimensional digital model of the maxillary posterior bite block on the molar bite block surface of the upper tooth socket according to the height of the tongue position record and the tongue swallowing position record of the patient.
The invention has the beneficial effects that: the orthodontic device can transmit the tongue muscle force of the upward and backward movement of the tongue body of a patient when the patient swallows to the upper posterior teeth to provide upward and backward force to the upper posterior teeth while performing dental orthodontic, has the effect of preventing the upper posterior teeth from extending or moving forward, and can guide the protrusion or the backward movement of the lower jaw to reposition the position of the lower jaw. The device has strong integrity, no need of using an external auxiliary device, no wound, no damage to the tooth root, convenient manufacture, small error, high fit degree with the mouth of a patient, and comfort and beauty during wearing.
Additional features and advantages of the invention will be set forth in the detailed description which follows.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in more detail exemplary embodiments thereof with reference to the attached drawings, in which like reference numerals generally represent like parts throughout.
Fig. 1 shows a schematic view of a lingual occlusal force mediated invisible orthotic device according to one embodiment of the present invention.
Fig. 2 shows a schematic diagram of the location of the mediating structure according to an embodiment of the present invention.
Fig. 3 illustrates a schematic view of a setup position of a maxillary posterior bite block according to an embodiment of the present invention.
Fig. 4 shows a schematic structural diagram of a lead slope structure according to an embodiment of the invention.
Fig. 5 is a schematic diagram illustrating the use state of the tongue force and occlusal force mediated invisible correcting device according to one embodiment of the invention.
Fig. 6 is a schematic diagram illustrating the use state of the tongue force and occlusal force mediated invisible correcting device according to one embodiment of the invention.
Description of the reference numerals
1. An upper tooth socket; 2. a lower tooth socket; 3. a mediating structure; 4. an upper dental guide slope component; 5. a lower tooth guide slope component; 6. maxillary posterior bite pads; 7. an upper tooth guide slope; 8. a lower tooth guide slope; 9. a first inclined plane; 10. a first connection portion; 11. a second inclined plane; 12. a second connecting portion; 13. a thickness adjusting pad.
Detailed Description
Preferred embodiments of the present invention will be described in more detail below. While the following describes preferred embodiments of the present invention, it should be understood that the present invention may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.
The invention discloses a tongue force and occlusal force mediated invisible correcting device, which comprises:
the invisible tooth socket comprises an upper tooth socket and a lower tooth socket which are respectively worn on the upper dentition and the lower dentition;
the mediating structure is connected between molars at two sides of the upper dental sheath and positioned above the tongue body, and the shape of the mediating structure is adapted to the tongue shape and the palate shape;
lead the inclined plane structure, lead the inclined plane structure and include that the upper teeth leads inclined plane subassembly and lower tooth and lead the inclined plane subassembly, the upper teeth leads the inclined plane subassembly to set up on the both sides molar face of closing of upper facing, and lower tooth leads the inclined plane subassembly to set up on the both sides molar face of closing of lower facing, and when upper and lower tooth was occluded, the upper teeth leads inclined plane subassembly and lower tooth and leads inclined plane subassembly gomphosis each other to guide the lower jaw to stretch forward or move backward.
Specifically, the orthodontic device can transmit the tongue muscle force of the upward and backward movement of the tongue body of the patient to the upper posterior teeth when the patient swallows the teeth, so as to provide upward and backward force to the upper posterior teeth, thereby playing a role in preventing the upper posterior teeth from extending or moving forward, and simultaneously guiding the extension or backward movement of the lower jaw to reposition the position of the lower jaw. The device has strong integrity, does not need to use an external auxiliary device, does not have wound or damage the tooth root, is convenient to manufacture, has small error, has high fit degree with the mouth of a patient, and is comfortable and beautiful when being worn.
As an alternative, a maxillary posterior bite pad is also included;
the upper jaw rear bite-block pad is arranged on the molar bite-block surfaces on the two sides of the upper tooth socket, and the two ends of the mediating structure are respectively connected with the upper jaw rear bite-block pad;
the upper teeth guiding inclined plane component is arranged on the upper jaw posterior bite block;
when the upper and lower teeth of the patient are occluded, the molar occlusal surfaces of the upper jaw posterior bite pad and the lower tooth socket are mutually attached.
Specifically, the thickness of the maxillary posterior bite-block pad needs to be designed according to treatment requirements, so that when a patient swallows, the maxillary posterior bite-block pad is attached to the molar bite-block surface of the lower tooth socket to generate vertical acting force, and the effect of preventing upper posterior teeth from extending is achieved.
Alternatively, the maxillary posterior bite block is a hollow structure.
Specifically, the back occlusal pad of upper jaw is hollow structure, can alleviate the weight of correcting the device, reduces and wears the burden, improves the comfort level.
Alternatively, the maxillary posterior bite block is integrally formed with the upper shell and the intermediary structure.
Specifically, the 3D printing material can be integrally manufactured, and the plastic can also be manufactured by the existing plastic hot-press molding process.
Alternatively, the molar area of the upper shell and the molar area of the lower shell are provided with a thickness-enhancing layer, respectively.
Specifically, in order to reduce the influence of the mediated structure on the mechanical expression of the invisible tooth socket, a thickness enhancement layer is arranged on the thickening of the molar region of the invisible tooth socket during the function of the mediated structure, and the thickness of the anterior tooth region is kept unchanged. Wherein, the thickness of the molar region thickness enhancement layer and the lingual occlusal force mediation structure are gradually and excessively increased.
As an alternative, the upper guide ramp assembly comprises a plurality of upper guide ramps, each upper guide ramp comprising a first ramp and a first connection portion connected to each other, the first connection portion being located at a molar fitting surface of the upper shell, the first ramp forming an included angle with a molar fitting surface of the upper shell;
the lower tooth guide inclined plane component comprises a plurality of lower tooth guide inclined planes, each lower tooth guide inclined plane comprises a second inclined plane and a second connecting part which are connected with each other, the second connecting part is positioned at one molar fitting surface of the lower tooth socket, and an included angle is formed between each second inclined plane and one molar fitting surface of the lower tooth socket;
the upper tooth guide inclined planes correspond to the lower tooth guide inclined planes one by one, and the first inclined planes are parallel to the second inclined planes.
In particular, for patients with abnormal mandibular position, the provision of the lead slope structure may function like a functional appliance. When the upper and lower teeth of a patient are occluded, the functional guide inclined planes positioned on the bicuspids and the molars are vertically embedded, so that the design of the positions of the guide inclined planes determines the forward extension or backward movement of the jaw position of the lower jaw. Different from the functional appliance, the posterior function guide slope and the invisible appliance are integrally designed and printed, and the positions and the number of the posterior function guide slope and the invisible appliance can be adjusted according to the treatment purpose and progress.
As an alternative, the thickness adjusting device further comprises a thickness adjusting pad, and the thickness adjusting pad is arranged on the first inclined surface or the second inclined surface.
Specifically, according to different treatment purposes, the position and the thickness of the guide slope structure can be adjusted by the thickness adjusting pad so as to increase the backward force of the molar tooth.
For example: the thickness of the guide inclined plane of the first molar can be continuously increased by using the thickness adjusting pad according to the backward pushing displacement of the first molar, and the guide inclined planes of the second premolar and the first premolar are unchanged;
when the second premolar is pushed, the guide inclined plane of the second premolar is thickened synchronously, and the guide inclined planes of the first premolar and the second premolar are unchanged;
not only can realize the integral tooth back pushing and grinding, but also can realize the function of single oblique guide of different tooth positions.
As an alternative, the thickness of the molar area of the upper tooth socket and the lower tooth socket is 2mm-3mm, and the joint of the upper tooth socket and the mediating structure is in gradual transition;
the thickness of the mediating device is 1.5mm-3 mm.
The invention also discloses a manufacturing method for manufacturing the tongue force and occlusal force mediated invisible correcting device, which comprises the following steps:
1) acquiring a tongue position record and a tongue swallowing position record of a patient;
2) acquiring a digital model of dentition, tongue position record and tongue swallowing position record of a patient through scanning;
3) establishing a three-dimensional digital model of the invisible tooth socket according to the digital model of the dentition, and establishing a three-dimensional digital model of a mediated structure on the three-dimensional digital model of the invisible tooth socket according to the digital model recorded in the tongue position and the digital model recorded in the tongue swallowing position;
4) according to the correction scheme of the patient, a three-dimensional digital model of the guide slope structure is established on the three-dimensional digital model of the invisible braces;
5) and integrally forming and printing the three-dimensional digital model of the invisible tooth socket, the mediated structure and the guide slope structure.
Specifically, the method for acquiring the tongue position record and the tongue swallowing position record of the patient comprises the following steps: when preparing the tongue position record, a patient sits on a dental chair at an inclined posture of 45-90 degrees, firstly determines the target position of the lower jaw of the patient extending forwards and opening vertically, and then records the position by taking a flat spoon of silicon rubber material; another flat spoon of silicon rubber material is slightly molded and then laid on the maxilla and palate parts of the patient, the patient is ordered to bite the forward extending position and swallow the patient independently, the position and the shape of the tongue during swallowing are recorded by the silicon rubber material, and the position and the shape are reserved as tongue swallowing position records.
As an alternative, a maxillary posterior bite pad is also included; the upper jaw rear bite-block pad is arranged on the molar bite-block surfaces on the two sides of the upper tooth socket, and the two ends of the mediating structure are respectively connected with the upper jaw rear bite-block pad; the upper teeth guiding inclined plane component is arranged on the upper jaw posterior bite block; when the upper teeth and the lower teeth of the patient are occluded, the molar occlusion surfaces of the upper jaw posterior bite pad and the lower tooth socket are mutually attached;
the method also comprises the following steps between the step 3) and the step 4): and manufacturing a three-dimensional digital model of the maxillary posterior occlusal pad on the molar occlusal surface of the upper tooth socket according to the height of the tongue position record and the tongue swallowing position record of the patient.
Specifically, in addition to the above steps, a digital invisible correction scheme can be made, and an additional correction design is added in the required steps of using the mediated structure and the guided slope structure.
Examples
As shown in fig. 1, the tongue force and occlusal force mediated invisible orthodontic device of the present embodiment includes:
the invisible tooth socket is made of transparent materials and comprises an upper tooth socket 1 and a lower tooth socket 2 which are respectively worn on the upper dentition and the lower dentition;
a mediating structure 3, wherein the mediating structure 3 is connected between molars at two sides of the upper tooth socket 1 and is positioned above the tongue body, as shown in figure 2; the shape of the mediated structure 3 is adapted to the tongue shape and the palate shape; in order to reduce the influence of the mediated structure 3 on the mechanical expression of the invisible tooth socket, the thickness of the molar region of the invisible tooth socket is thickened, namely a thickness enhancement layer is arranged, and the thickness of the anterior tooth region is kept unchanged during the function of the mediated structure 3;
a posterior maxillary occlusal pad 6, wherein the posterior maxillary occlusal pad 6 is arranged on the molar occlusal surfaces at the two sides of the upper facing 1, and the two ends of the mediating structure are respectively connected with the posterior maxillary occlusal pad, as shown in fig. 3; when the upper and lower teeth of the patient are occluded, the molar occlusal surfaces of the upper jaw posterior bite pad 6 and the lower tooth socket are mutually attached; in order to reduce the overall weight of the correcting device, the maxillary posterior bite block 6 is of a hollow structure;
lead the inclined plane structure, lead the inclined plane structure and lead inclined plane subassembly 5 including last tooth, go up tooth and lead inclined plane subassembly 4 and lead inclined plane subassembly 5, go up tooth and lead inclined plane subassembly 4 and set up on the upper jaw back bite of last facing 1 closes pad 6, lower tooth leads inclined plane subassembly 5 and sets up on the molar face that closes of facing 2 down, and when upper and lower tooth was occluded, the last tooth leads inclined plane subassembly 4 and leads inclined plane subassembly 5 can gomphosis each other down to guide the lower jaw to stretch forward or move backward. The upper tooth guide inclined plane component 4 comprises three upper tooth guide inclined planes 7, the lower tooth guide inclined plane component 5 comprises three lower tooth guide inclined planes 8, and the upper tooth guide inclined planes 7 correspond to the lower tooth guide inclined planes 8 one by one;
as shown in fig. 4, each upper tooth guiding inclined surface 7 comprises a first inclined surface 9 and a first connecting portion 10 which are connected with each other, the first connecting portion 10 is located at a molar fitting surface of the upper shell 1, and the first inclined surface 9 forms an included angle with the molar fitting surface; each lower tooth guide inclined surface 8 comprises a second inclined surface 11 and a second connecting part 12 which are connected with each other, the second connecting part 12 is positioned at a molar occlusal surface of the lower tooth socket, and the second inclined surface 11 and the molar occlusal surface form an included angle; the first inclined plane 9 and the second inclined plane 11 are parallel to each other, and when the upper and lower teeth of the patient are occluded, the first inclined plane 9 and the second inclined plane 11 are attached to each other;
in this embodiment, the upper shell 1, the mediating structure 3, the maxillary posterior bite block 6 and the upper tooth guiding slope component 4 are integrally formed by 3D printing, and the lower shell 2 and the lower tooth guiding slope component 5 are integrally formed by 3D printing.
In addition, according to different treatment purposes, the position and the thickness of the guide inclined plane can be adjusted to increase the backward force of the molar. For example: the thickness of the lead inclined plane of the first molar can be increased by using the thickness adjusting pad 13 (as shown in figure 5) or the lead inclined plane of the first molar can be continuously and synchronously adjusted forwards (as shown in figure 6) according to the backward pushing displacement of the first molar, and the inclined leads of the second premolar and the first premolar are unchanged; by analogy, when the second premolar is pushed, the thickness of the guide inclined plane of the second premolar is increased or the position of the guide inclined plane of the second premolar is synchronously adjusted forwards, and the inclined guide of the first premolar and the second premolar is unchanged; therefore, the invisible appliance not only reflects the characteristic that the invisible appliance is good at pushing molar teeth backwards, but also reflects the function of single oblique guide at different tooth positions.
The manufacturing method of the tongue force and occlusal force mediated invisible correcting device comprises the following steps:
1) obtaining the tongue position record and the tongue swallowing position record of the patient: when preparing the tongue position record, a patient sits on a dental chair at an inclined posture of 45-90 degrees, firstly determines the target position of the lower jaw of the patient extending forwards and opening vertically, and then records the position by taking a flat spoon of silicon rubber material; another flat spoon of silicon rubber material is slightly molded and then is laid on the maxilla and palate part, a patient is ordered to bite the forward extending position and independently swallow, the position and the shape of the tongue during swallowing are recorded by the silicon rubber material, and the position and the shape are reserved as tongue swallowing position records;
2) acquiring a digital model of dentition, tongue position record and tongue swallowing position record of a patient by adopting a 3shape Trios scanner;
3) application 3Shape application DesignerTMThe software (a dental appliance design software) is used for reconstructing the three-dimensional mouth scan data, establishing a three-dimensional digital model of the invisible braces according to the digital model of dentition, trimming the shape of a silicon rubber digital surface patch, establishing a three-dimensional digital model of a mediating structure on the three-dimensional digital model of the invisible braces according to the digital model recorded by the tongue position and the digital model recorded by the tongue swallowing position, and performing personalized design on the shape according to the shape and the range of the tongue body;
4) making a three-dimensional digital model of the maxillary posterior bite pad on the molar occlusal surface of the upper tooth socket according to the height of the tongue position record and the tongue swallowing position record of the patient
5) According to the correction scheme of the patient, a three-dimensional digital model of the guide slope structure is established on the three-dimensional digital model of the invisible braces, and an integrally three-dimensional digital model of the personalized tongue force and occlusal force mediated invisible correction device is formed;
6) the integral three-dimensional digital model of the invisible correcting device mediated by the tongue force and the occlusal force is printed in an integrated forming way through 3D printing;
or the invisible tooth socket, the upper tooth guide inclined plane assembly and the lower tooth guide inclined plane assembly are integrally printed through 3D printing, and then the mediating device is pressed and mounted through a die pressing process.
In addition, the mediating structure 3, the upper guiding bevel component 4 and the lower guiding bevel component 5 of the present embodiment may work together, or the mediating structure 3 may be separately disposed on the invisible facing or the upper guiding bevel component 4 and the lower guiding bevel component 5 may be separately disposed on the invisible facing according to the actual situation of the patient.
Having described embodiments of the present invention, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments.
Claims (10)
1. An invisible orthodontic device mediated by lingual occlusal force, comprising:
the invisible tooth socket comprises an upper tooth socket and a lower tooth socket which are respectively used for being worn on the upper dentition and the lower dentition;
the mediating structure is connected between molars at two sides of the upper dental sheath and is positioned above the tongue body, and the shape of the mediating structure is adapted to the tongue shape and the palate shape;
the upper tooth guide inclined plane assembly is arranged on molar occlusion surfaces on two sides of the upper tooth socket, and the lower tooth guide inclined plane assembly is arranged on the molar occlusion surfaces on two sides of the lower tooth socket.
2. The lingual occlusal force mediated invisible orthodontic device of claim 1, further comprising a posterior maxillary occlusal pad;
the upper dental articulator is arranged on the molar articulation surfaces on the two sides of the upper dental mouthpiece, and the two ends of the mediating structure are respectively connected with the upper dental articulator;
the upper teeth guiding inclined plane component is arranged on the upper jaw posterior bite block;
when the upper teeth and the lower teeth of the patient are occluded, the upper jaw posterior bite-block and the molar bite-block surface of the lower tooth socket are mutually attached.
3. The lingual occlusal force mediated invisible orthodontic device of claim 2, wherein the posterior maxillary occlusal pad is a hollow structure.
4. The lingual occlusal force mediated invisible orthodontic device of claim 2, wherein the posterior maxillary occlusal pad is integrally formed with the upper shell and the mediating structure.
5. The lingually forced occlusal force mediated invisible appliance according to claim 1, wherein the molar region of the upper shell and the molar region of the lower shell are provided with a thickness enhancing layer, respectively.
6. The lingual occlusal force mediated invisible appliance of claim 1, wherein the upper tartar guidance slope assembly comprises a plurality of upper tartar guidance slopes, each of the upper tartar guidance slopes comprising a first slope and a first connection connected to each other, the first connection being located at a molar bite plane of the upper shell, the first slope forming an angle with the molar bite plane of the upper shell;
the lower tooth guide inclined plane assembly comprises a plurality of lower tooth guide inclined planes, each lower tooth guide inclined plane comprises a second inclined plane and a second connecting part which are connected with each other, the second connecting part is positioned at one molar fitting surface of the lower tooth socket, and an included angle is formed between each second inclined plane and the corresponding molar fitting surface of the lower tooth socket;
the upper tooth guide inclined planes correspond to the lower tooth guide inclined planes one by one, the first inclined planes are parallel to the second inclined planes, and when the upper teeth and the lower teeth are meshed, the first inclined planes are attached to the second inclined planes.
7. The lingual occlusal force mediated invisible appliance according to claim 6, further comprising a thickness adjusting pad disposed on the first or second inclined surface.
8. The lingual occlusal force mediated invisible orthodontic device of claim 1, wherein the molar area of the upper shell and the lower shell has a thickness of 2mm to 3mm, and the junction of the upper shell and the mediating structure is gradual;
the thickness of the mediating device is 1.5mm-3 mm.
9. A method for manufacturing the lingual occlusal force mediated invisible orthodontic device according to any one of claims 1 to 8, wherein the method comprises the following steps:
1) acquiring a tongue position record and a tongue swallowing position record of a patient;
2) acquiring a digital model of dentition, tongue position record and tongue swallowing position record of a patient through scanning;
3) establishing a three-dimensional digital model of the invisible tooth socket according to the digital model of the dentition, and establishing a three-dimensional digital model of the mediated structure on the three-dimensional digital model of the invisible tooth socket according to the digital model of the tongue position record and the digital model of the tongue swallowing position record;
4) according to the correction scheme of the patient, a three-dimensional digital model of the guide slope structure is established on the three-dimensional digital model of the invisible braces;
5) and integrally forming and printing the three-dimensional digital model of the invisible tooth socket, the mediating structure and the guide slope structure.
10. The method of claim 9, further comprising a posterior maxillary bite block; the upper dental articulator is arranged on the molar articulation surfaces on the two sides of the upper dental mouthpiece, and the two ends of the mediating structure are respectively connected with the upper dental articulator; the upper teeth guiding inclined plane component is arranged on the upper jaw posterior bite block; when the upper teeth and the lower teeth of the patient are occluded, the molar occlusion surfaces of the upper posterior maxillary occlusal pad and the lower dental socket are mutually attached;
the step 3) and the step 4) further comprise the following steps: and manufacturing a three-dimensional digital model of the maxillary posterior bite block on the molar bite block surface of the upper tooth socket according to the height of the tongue position record and the tongue swallowing position record of the patient.
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