DE4112178A1 - Attachment of false tooth to patients jaws - by means of tapered pin clamped to base implanted in jaw - Google Patents

Attachment of false tooth to patients jaws - by means of tapered pin clamped to base implanted in jaw

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Publication number
DE4112178A1
DE4112178A1 DE19914112178 DE4112178A DE4112178A1 DE 4112178 A1 DE4112178 A1 DE 4112178A1 DE 19914112178 DE19914112178 DE 19914112178 DE 4112178 A DE4112178 A DE 4112178A DE 4112178 A1 DE4112178 A1 DE 4112178A1
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Germany
Prior art keywords
elements
pin
base
dental
anchor according
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE19914112178
Other languages
German (de)
Inventor
Des Erfinders Auf Nennung Verzicht
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Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19914112178 priority Critical patent/DE4112178A1/en
Publication of DE4112178A1 publication Critical patent/DE4112178A1/en
Withdrawn legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61CDENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0048Connecting the upper structure to the implant, e.g. bridging bars

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  • 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

A false tooth is attached to a tapered pin (1) which is attached to a base (2) which is implanted in the patient's jaw. The base (2) has a central circular hole (4) with a flat floor and a circumferential groove adjoining the floor. The tapered pin has three short longitudinal slots cut in the lower end to form three elastically deflectable claws. The claws can be inserted in the hole in the base by being pressed radially inwards by the wall of the upper part of the hole. The claws then spring radially outward to engage the circumferential groove. The tapered pin (1) can then be rotated, up to 360 deg. if necessary, to its required angular position. The pin is then locked in this position by a screw (5) with a tapered shank. USE/ADVANTAGE - Dental implant which is firmly fixed in position.

Description

Dentale Zapfenanker finden in den verschiedensten Bereichen praktische Anwendung: Stiftkeranaufbauten auf devitalen Wurzelresten, Verankerungselemente für Implantate und Fertigteil-Konuskronen. Weil die im Kiefer befindlichen Zahnwurzeln und Implantate infolge der anatomisch vorgegebenen Kieferformen praktisch keine gemeinsame Achsen besitzen, ist es bis heute unmöglich, axial eingeschraubte oder durch Stifte oder Schrauben verankerte Befestigungszapfen für die Zahnersatzkonstruktion in zentraler, d. h. gemeinsamer Einschubrichtung anzuordnen. Für festsitzende Konstruktionen behilft man sich durch entsprechend große Zementierfugen. In neueren Ausführungen enthalten die Zapfen gegenüber der Oberfläche eines Implantates eine Abwinkelung, wobei die Gemeinsame Einschubrichtung durch graduierte Drehbereiche der Zapfenanker innerhalb einer achtkantigen Passung oder durch lamellenförmige Zapfenpassung zu erreichen versucht wird. Die über eine exzentrische Form innerhalb der Zapfenpassung zwischen Zapfenanker und Basiselement erreichte Drehung ist aber nur im Winkelbereich möglich, der durch die geometrische Form festgelegt ist. Eine vollständige, gemeinsame Einschubachse zwischen mehreren, verschraubbaren Zapfenelementen ist deshalb nicht möglich.Dental peg anchors are used in a wide variety of areas: Pen keratin structures on vital root remnants, anchoring elements for implants and precast cone crowns. Because the tooth roots and Due to the anatomically defined jaw shapes, implants practically none Having common axes, it is still impossible to screw in or through axially Pins or screws anchored fastening pins for the denture construction in more central, d. H. to arrange common insertion direction. For stuck Constructions are made use of by appropriately large cementing joints. In more recent versions, the pegs contain a against the surface Implant angled, with the common direction of insertion through Graduated rotation ranges of the pin anchors within an octagonal fit or trying to achieve by lamellar pin fit. The one Eccentric shape within the tenon fit between the tenon anchor and the base element achieved rotation is only possible in the angular range, which is due to the geometric Shape is set. A complete, common insertion axis between several, screwable pin elements is therefore not possible.

Die vorliegende Anmeldung betrifft dentale Zapfenanker für devitale Zähne, Fertigteilkonuskronen und als konstruktiver Aufbau auf Implantaten die kontinuierlich in der Berührungsebene beider Elemente, d. h. ohne Winkelbegrenzung gedreht und in jeder beliebigen Drehstellung, die für eine absolute Zentralachse erforderlich ist, mittels einer Arretierungsvorrichtung nach Einstellung dieser Einschubrichtung drehsteif arretiert werden.The present application relates to dental peg anchors for devital teeth, Precast cone crowns and as a constructive structure on implants that are continuously in the contact level of both elements, d. H. rotated without angle limitation and in each arbitrary rotational position, which is required for an absolute central axis, by means of a Locking device locked torsionally rigid after setting this insertion direction will.

Die erfindungsgemäßen dentalen Zapfenanker sind dadurch gekennzeichnet, daß beide Teile über eine biegesteife Zapfenführung 6 im vollen Kreis von 360° drehbar sind. Die in Fig. 1 beispielhaft dargestellte Arrtetierungsvorrichtung besteht vorzugsweise aus einem zur Primärachse konzentrischen Spannfutter (3), welches mittels einer konzentrischen Schraube als Konusbolzen (5) gespreizt werden kann, sobald die zur zentralen Einschubrichtung richtige Drehung eingestellt ist. Infolge der Elastizität der Spannbacken (3) werden in dieser bevorzugten Ausführung beide Elemente (1) und (2) permanent aber drehbar gefügt, so daß auch bei intraoralem Verlust der Feststellschraube eine Sicherung gegen Herausfallen durch das Federring- Nutsystem (4) gegeben ist. In einer anderen, in der Fig. 3 beispielhaft dargestellten Ausführung, ist die Artetierungsvorrichtung aus einem peripheren Spannring (11) in einem der drehbaren Teile gebildet, der mit mindestens einem Einschnitt versehen ist. In weiteren Ausführungen wird der kontinuierlich drehbare obere, abgewinkelte Zapfen (1) mittels Langlochführungen (13) oder horizontal angeordnete Artetierungsschrauben gegen Drehung gesichert.The dental pin anchors according to the invention are characterized in that both parts can be rotated through a rigid pin guide 6 in a full circle of 360 °. The locking device shown by way of example in FIG. 1 preferably consists of a chuck ( 3 ) which is concentric with the primary axis and which can be spread out by means of a concentric screw as a conical bolt ( 5 ) as soon as the correct rotation to the central insertion direction is set. As a result of the elasticity of the clamping jaws ( 3 ), both elements ( 1 ) and ( 2 ) are permanently but rotatably joined in this preferred embodiment, so that even if the locking screw is lost intraorally, there is protection against falling out by the spring ring groove system ( 4 ). In another embodiment, shown by way of example in FIG. 3, the articulation device is formed from a peripheral clamping ring ( 11 ) in one of the rotatable parts, which is provided with at least one incision. In further versions, the continuously rotatable upper, angled pin ( 1 ) is secured against rotation by means of elongated hole guides ( 13 ) or horizontally arranged articulation screws.

Claims (5)

1. Dentale Zapfenanker dadurch gekennzeichnet, daß sie aus einem oberen Stumpf­ element (1) und einem unteren Basisteil (2) bestehen, wobei das obere Element (1) als Kegelstumpf, in zylindrischer Grundform oder als Konusinnenanker mit definiertem Haftwinkel ausgebildet ist und seine Stumpfachse (8) gegen die Basisfläche und die Achse des Basisteiles (9) gewinkelt ist und beide Elemente über eine Zapfenführung (6) um 360° kontinuierlich gedreht und in jeder Position mittels einer Feststellvorrichtung drehsteif arretiert werden.1. Dental tenon anchor characterized in that they consist of an upper stump element ( 1 ) and a lower base part ( 2 ), the upper element ( 1 ) being designed as a truncated cone, in a cylindrical basic shape or as an inner cone anchor with a defined adhesive angle and its stump axis ( 8 ) is angled against the base surface and the axis of the base part ( 9 ) and both elements are continuously rotated through 360 ° via a pin guide ( 6 ) and locked in any position by means of a locking device in a torsionally rigid manner. 2. Dentaler Zapfenanker nach Anspruch 1 dadurch gekennzeichnet, daß die Fest­ stellvorrichtung in einem der Elemente konzentrisch angeordnet ist und als ineinandergreifendes Spannfutter (3) zwischen Stumpfelement (1) und dem Basis­ element (2) ausgebildet ist und durch einen konischen Bolzen (5) oder einen Spannkonus (10) drehsteif gespreizt wird, wobei die drehbaren Elemente 1 und 2 in die analoge Federring-Nutpassung (4) einrasten.2. Dental pin anchor according to claim 1, characterized in that the fixed adjusting device is arranged concentrically in one of the elements and is designed as an interlocking chuck ( 3 ) between the stump element ( 1 ) and the base element ( 2 ) and by a conical bolt ( 5 ) or a clamping cone ( 10 ) is spread in a torsionally rigid manner, the rotatable elements 1 and 2 engaging in the analog spring ring groove fit ( 4 ). 3. Dentaler Zapfenanker nach Anspruch 1 und 2 dadurch gekennzeichnet, daß die Feststellvorrichtung als einfacher oder mehrfach unterteilter Spannring (11) in einem der Elemente ausgebildet ist.3. Dental pin anchor according to claim 1 and 2, characterized in that the locking device is designed as a single or multiple divided clamping ring ( 11 ) in one of the elements. 4. Dentaler Zapfenanker nach Anspruch 1 und 2 dadurch gekennzeichnet, daß eines beider Elemente in der gemeinsamen Berührungsebene als Scheibe (12) aus­ gebildet ist, die Langlochschlitze (13) enthält mit mindestens zwei Artetie­ rungsschrauben (14).4. Dental pin anchor according to claim 1 and 2, characterized in that one of the two elements in the common plane of contact as a disc ( 12 ) is formed, the slot slots ( 13 ) contains at least two Artetie screws ( 14 ). 5. Dentaler Zapfenanker nach Anspruch 1 dadurch gekennzeichnet, daß die Zapfen­ führung eine hohe Anzahl aber mindestens zwei Kegelbohrungen enthält, in welche mindestens zwei radial angeordnete Befestigungsschrauben eingreifen.5. Dental pin anchor according to claim 1, characterized in that the pin guide contains a large number but at least two taper bores, in which engage at least two radially arranged fastening screws.
DE19914112178 1991-04-13 1991-04-13 Attachment of false tooth to patients jaws - by means of tapered pin clamped to base implanted in jaw Withdrawn DE4112178A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19914112178 DE4112178A1 (en) 1991-04-13 1991-04-13 Attachment of false tooth to patients jaws - by means of tapered pin clamped to base implanted in jaw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19914112178 DE4112178A1 (en) 1991-04-13 1991-04-13 Attachment of false tooth to patients jaws - by means of tapered pin clamped to base implanted in jaw

Publications (1)

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DE4112178A1 true DE4112178A1 (en) 1992-10-15

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996029019A1 (en) * 1995-03-20 1996-09-26 Institut Straumann Ag Connector for tooth replacements implant-mounted
FR2747032A1 (en) * 1996-04-09 1997-10-10 Serf Sa FALSE CUTE FOR USE AS A BASE FOR THE PRODUCTION OF A DENTAL PROSTHESIS
DE10333013A1 (en) * 2003-07-18 2005-02-10 Medentis Gmbh Dental implant for insertion in bone of jaw has tapered implant body with threaded socket and groove accommodating spring clip connected to tapered neck and abutment
EP2130513A1 (en) * 2008-06-06 2009-12-09 Straumann Holding AG Device for attaching a casting cover to a tooth implant
TWI712394B (en) * 2020-01-17 2020-12-11 九齒大精工股份有限公司 Combined assembly for dentures
TWI718063B (en) * 2020-01-17 2021-02-01 九齒大精工股份有限公司 Dental implant

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996029019A1 (en) * 1995-03-20 1996-09-26 Institut Straumann Ag Connector for tooth replacements implant-mounted
FR2747032A1 (en) * 1996-04-09 1997-10-10 Serf Sa FALSE CUTE FOR USE AS A BASE FOR THE PRODUCTION OF A DENTAL PROSTHESIS
WO1997037609A1 (en) * 1996-04-09 1997-10-16 Societe D'etudes, De Recherches Et De Fabrication - S.E.R.F. False stump for use as a base for a dental prosthesis
DE10333013A1 (en) * 2003-07-18 2005-02-10 Medentis Gmbh Dental implant for insertion in bone of jaw has tapered implant body with threaded socket and groove accommodating spring clip connected to tapered neck and abutment
EP2130513A1 (en) * 2008-06-06 2009-12-09 Straumann Holding AG Device for attaching a casting cover to a tooth implant
WO2009146763A1 (en) * 2008-06-06 2009-12-10 Straumann Holding Ag Device for placing an impression cap on a tooth implant
US9326832B2 (en) 2008-06-06 2016-05-03 Straumann Holding Ag Device for mounting an impression cap on a tooth implant
TWI712394B (en) * 2020-01-17 2020-12-11 九齒大精工股份有限公司 Combined assembly for dentures
TWI718063B (en) * 2020-01-17 2021-02-01 九齒大精工股份有限公司 Dental implant
US11678960B2 (en) 2020-01-17 2023-06-20 Taiwan Nippon Dental Alliance Co., Ltd. Dental implant

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