WO2006048150A1 - Superconstruction prothétique munie d'un cône - Google Patents

Superconstruction prothétique munie d'un cône Download PDF

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Publication number
WO2006048150A1
WO2006048150A1 PCT/EP2005/011427 EP2005011427W WO2006048150A1 WO 2006048150 A1 WO2006048150 A1 WO 2006048150A1 EP 2005011427 W EP2005011427 W EP 2005011427W WO 2006048150 A1 WO2006048150 A1 WO 2006048150A1
Authority
WO
WIPO (PCT)
Prior art keywords
retaining pin
implant body
pin
superstructure according
prosthetic
Prior art date
Application number
PCT/EP2005/011427
Other languages
German (de)
English (en)
Inventor
Heinz-Dieter Unger
Original Assignee
Hartmetallwerkzeugfabrik Andreas Maier Gmbh
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 Hartmetallwerkzeugfabrik Andreas Maier Gmbh filed Critical Hartmetallwerkzeugfabrik Andreas Maier Gmbh
Priority to EP05796216A priority Critical patent/EP1811916A1/fr
Publication of WO2006048150A1 publication Critical patent/WO2006048150A1/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
    • A61C8/0053—Connecting devices for joining an upper structure with an implant member, e.g. spacers with angular adjustment means, e.g. ball and socket joint
    • 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
    • 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
    • A61C8/0054—Connecting devices for joining an upper structure with an implant member, e.g. spacers having a cylindrical implant connecting part
    • 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 invention relates to a prosthetic: superstructure according to the preamble of claim 1.
  • a generic supraconstruction is known from DE 42 24 785 C2, in which the implant body designated as the base body, a spacer sleeve, a so-called implant post, which is convexly configured as a component close to the implant body, and the retaining head designated as a fixing head are provided.
  • This superstructure is disadvantageous in several respects: ⁇ The clamping of the two components, which form the joint consisting of the partial spherical head and the partial spherical shell, takes place by screwing the implant post into the basic body. In this case, the retaining pin, which forms the Generalkugel ⁇ shell and engages around this part of the ball head of the implant post, clamped.
  • the implant post is bolted to the body and aligned with the same axis as the body. In adaptation to the unforeseeable, individual conditions in each patient, it is necessary in many cases for the retaining pin to be inclined with respect to this axis.
  • Rotary movement of the screwing tool is therefore transmitted indirectly to the implant post: the holding pin here has a recess which interacts with a comparatively small driver pin of the implant post.
  • a disadvantage here is that the security of being able to transmit sufficient forces may be particularly in question after a longer period of use of the superstructure, so that a subsequent removal of the supraconstruction may be made more difficult for revision purposes.
  • the comparatively complicated component geometry has an economically disadvantageous effect on the production costs of the supraconstruction.
  • DE 38 29 576 A1 and US Pat. No. 5,564,925 disclose generic superstructures; in which in each case the retaining pin has a convex contact surface and a close to the implant body, concave curved sliding surface is provided.
  • DE 38 29 576 A1 it is provided to design the supraconstruction in four parts: with an implant body designated as an implant foundation, an intermediate component designated as a nut, which is convexly configured as a component close to the implant body, a zwiebiförmigen, hollow, as
  • Support member designated retaining pin, and a retaining pin to the nut clamped bolt.
  • This superstructure is disadvantageous in several ways:
  • the bolt is aligned with the nut and this with the Implantatkör ⁇ per in the same axis.
  • the retaining pin can make it difficult to actuate the bolt and partially cover the tool surface, so that a screwing tool must be attached obliquely to the tool surface.
  • the security of being able to transmit sufficient forces, in particular after a longer period of use of the superstructure, can therefore be called into question so that a later removal of the superstructure for the purpose of revision can be made more difficult.
  • An open-ended, hygienically disadvantageous cavity is provided in the retaining pin.
  • the supraconstruction is designed from many parts: with a component forming the implant body, a bowl-shaped component and an anchoring rod-forming component, which forms the concavely curved sliding surface, with a plurality of separate fastening screws for fixing the implant body in the jaw, with a holding pin,
  • the retaining pin covers the fastening screws completely or at least partially.
  • Holding pin which thus forms a lever arm of this clamping or Gelenkbe ⁇ rich up to its free end, with the aforementioned disadvantages.
  • the retaining screw is aligned with the corresponding thread in the implant body in an axis against which the retaining pin can be aligned obliquely and then complicate an operation of the bolt and the tool surface of the retaining screw can partially cover, with the aforementioned disadvantages.
  • an open-ended, hygienic disadvantageous cavity is provided in the retaining pin.
  • the invention has for its object to improve a generic prosthetic superstructure to the effect that it maintains as long as possible the tightest possible fit and hygienically designed as advantageous as possible.
  • the invention proposes to apply a clamping screw to the retaining pin designed at the same time at its end remote from the implant body. This extends longitudinally through the retaining pin from an outer, ge steering remote location where it abuts the retaining pin to the joint and fixes the retaining pin when it is tightened and thereby clamps the retaining pin.
  • the clamping screw acts on the retaining pin at an outer, joint-remote location, the retaining pin is pushed over an ne great length out and fixed so that it is secured against unintentional shifts.
  • the diameter of the gelenkfernen opening in the retaining pin through which the clamping screw extends is dimensioned comparatively small, so that the screw head rests against the retaining pin and can build up the clamping pressure.
  • the diameter of the longitudinal bore at the gelenknahen end of the retaining pin is greater than that of the gelenkfernen opening, so that the retaining pin is movable around the screw and on this
  • a Abgleit Structure is provided to the implant body, which forms anlie ⁇ ing the holding pin constricting curved surface .
  • the diameter of this sliding surface is larger than the diameter of the retaining pin where it abuts the sliding surface, so that the retaining pin in all pendulum or pivot positions on the sliding surface can be supported.
  • the retaining pin has a contact surface for the screw head which is correspondingly curved with the convexly curved surface, and since the diameter of the sliding surface is so large that the hinge-like end of the retaining pin is tightly sealed in every pendulum or pivoting position Sliding surface are hygienic disadvantageous gaps at both ends of the
  • the sliding surface can be designed circular and thus enable a not only reciprocating, but all-round pivoting mobility of the retaining pin, so that ei ⁇ ne optimal mobility and thus alignability of the Gar ⁇ pin is made possible.
  • This in turn can be made possible to fix a dental prosthesis easily on the jaw and solve again, as for example when using of two or more retaining pins, these can be aligned parallel to one another, so that the problem-free mobility of the dental prosthesis for the purpose of insertion or removal from the implant construction is made possible.
  • the sliding surface can not be fixedly provided on the implant body, but rather on an intermediate component which can be connected to the implant body.
  • the implant bodies can accordingly be provided by different manufacturers and be configured in a manner known per se and commercially available.
  • the implant body usually has a manufacturer-specific, non-circular connection surface, for example in the form of a hexagon socket.
  • the intermediate component having the sliding surface can therefore have a connection surface adapted to the implant body, so that a number of different intermediate components can be provided with economically little effort, which is the advantageous, proposed embodiment of a prosthetic supraconstruction using different implant bodies customary in the trade allows.
  • the retaining pin can be configured as a cone, widening to its contact surface adjacent to the sliding surface.
  • the largest possible pivoting angle of the retaining pin is made possible and secondly, an outer surface is created by the conical shape, to which the dental prosthesis can be connected without tools while achieving high holding forces.
  • Dental prosthesis has a conical recess which serves to receive the retaining pin, so that a conical seat of the dental prosthesis can be effected on the prosthetic superstructure. In this way, a reliable holding of the dental prosthesis on the retaining pin can be effected, so that the dental prosthesis also has high lifting forces during chewing is secured, which greatly improves the quality of life of the patient.
  • the recess may be provided in the dental prosthesis in the form of its own component, which in turn is anchored in the dental prosthesis.
  • This component can be referred to as a secondary cone, since it has a conical cavity which serves to accommodate the conically formed holding pin, which in turn can be called a primary cone.
  • Primary and secondary cone can be manufactured indus ⁇ triell and in comparatively large numbers were ⁇ the. In contrast to connecting elements produced by hand in laboratories, in this way the price for the individual components of the prosthetic superstructure can be reduced on the one hand, and the manufacturing accuracy between the conically configured holding pin and the secondary cone can provide the above-mentioned advantageous high retention forces of the dental prosthesis on the retaining pin enable.
  • the retaining pin having a bore which passes through the wall of the retaining pin.
  • the longitudinal bore in the retaining pin can be filled, for example by means of a commercially available adhesive, which is characterized in the field of medical technology as "cement".
  • the clamping screw can advantageously have as smooth a surface as possible, so that it can still rotate inside the solidified cement and make it possible to release the retaining pin from the implant body.
  • the fact that the cement solidifies and hardens reliably fixes the retaining pin in its aligned position, so that subsequent accidental adjustments of the retaining pin cause the cavity to form the longitudinal bore can be excluded.
  • a fixing of the retaining pin can also be done by welding the retaining pin takes place there with the sliding surface where these two components touch, in favor of a possible low heat input, preferably by laser, and for hygienic reasons, preferably as a completely circumferentially extending weld.
  • the fixing of the Haitestiftes also take place in that a receiving groove for the edge of Hal ⁇ testiftes is milled into the sliding surface, for example mit ⁇ means of a so-called crown drill or crown cutter, which generates an annular groove in the sliding surface.
  • the filling of the retaining pin cavity can advantageously be provided for hygienic reasons, so that the retaining pin can also have a rope bore if it is to be fixed without cement. If the actual fixation is not using
  • cement can be made of a material other than cement for the cement Be used backfilling, for example, a low-viscosity silicone material.
  • the attending physician can thus hold the retaining pin on the patient's jaw, especially on the ingrown part of the jaw
  • the implant body Align the implant body, in the desired manner and provisionally fix it by means of the clamping screw, and then make an impression of the aligned holding pin.
  • the sliding surface, holding pin and clamping screw are then removed from the implant body and together with the impression of a dental technician Laboratory transmitted.
  • the final fixation of the test pen can be made, for example by one of the three aforementioned methods, as well as possibly the cavity in the retaining pin being filled.
  • the clamping screw can extend through the retaining pin and through the abovementioned intermediate component into the implant body, where it interacts with a thread.
  • the thread is standard and provided to allow the connection of a joint element.
  • the design of the superstructure is made possible, and the handling of the construction of the superstructure is made easier and simpler for the practitioner.
  • Screw head can be designed as a convex curved surface, so that in all angular positions of the retaining pin on all sides gap-free contact of the retaining pin on ringen ⁇ head is effected, with the aforementioned hygienic advantages.
  • the convex curvature on the underside of the screw head and, on the other hand, the concave curvature of the sliding surface can be matched to one another such that, given a fixed distance of the screw head from the sliding surface, ie with a fixed holding pin and correspondingly firmly tightened clamping screw, these two ge bent surfaces have a common center.
  • the two curved surfaces are advantageously designed as designed with a circular cross-section or as a ball cut surfaces. Due to the common center ensures that the retaining pin in all angular positions can rest without a gap both the screw head and the sliding surface.
  • the retaining pin on its outer surface have at least one indentation, which may be configured, for example point or line-shaped.
  • the indentation makes it possible, with a disassembled retaining pin, to troubleshoot the problems of a drill and prevent it from slipping off.
  • a blind or through-bore can be introduced into the retaining pin, wherein the creation of a blind bore advantageously a drill with a depth stop can be used.
  • a clamping element is inserted therein, z. B. a spring-loaded ball or much easier a clamping pin made of an elastomeric material.
  • the clamping element protrudes slightly beyond the matel surface of the retaining pin and allows the desired higher holding forces to the part of the superstructure called "attachment.”
  • the clamping pin can be held securely in the retaining pin, for example by gluing.
  • the retaining pin is configured as a cone and expands towards the contact surface, and if after a certain time the holding forces between the retaining pin as a primary cone and ei ⁇ nem secondary cone of the superstructure should subside, are in the context of a revision of the superstructure in this way, by the possibility of being able to easily retrofit a clamping element again enables higher holding forces.
  • the clamping screw may have a continuous up to its head thread. However, if the clamping screw has a threaded portion and one between thread and
  • the shaft diameter of the clamping screw is advantageously circular and at least ge the same size as their thread diameter. This ensures that the clamping screw can also be released and the retaining pin can be removed from the implant body if the cavity of the retaining pin is filled with a filling compound in a hygienically advantageous manner, even if it is a firmly hardening filling compound as so-called "cement" acts.
  • Da ⁇ shows 1 shows a longitudinal section through a firstticiansbei ⁇ game, wherein only a part of an implant body is shown, and
  • Fig. 2 is a longitudinal section similar to that of Fig. 1, but by a second embodiment.
  • the clamping screw 2 has, at its upper, distal end in the drawing, a screw head 5, which has a hexagon socket 6 for attaching a screwing tool.
  • the screw head 5 has a bottom 7, which extends spherically curved, wherein the retaining pin 4 of this spherically curved bottom 7 of the screw head 5 rests with a correspondingly shaped surface gap-free.
  • the retaining pin 4 is designed as a conical tube body, so that there is a conically downwardly widening longitudinal bore 8 in its interior. Although the retaining pin 4 is centered at its gelenkfernen end by the clamping screw 2, but it can be pivoted with its lower end relative to the clamping screw 2, so that he can take, for example, the in the illustrations respectively shown, ex ⁇ tremely tilted to the right inclination ,
  • Lich is referred to as the joint or joint region of the immediately above the implant body 1 lying area in which the proposed intermediate member 3 is arranged.
  • the lower edge of the cone-shaped retaining pin 4 is an annular contact surface 9 which, according to FIG. 1, is not rectilinear in cross-section but spherically curved and has a likewise spherically curved, concave sliding surface 10, which forms the upper side of the intermediate component 3.
  • the intermediate component 3 thus forms a collar or plate on which the retaining pin 4 can be pivoted, whereby a gap-free contact of the retaining pin 4 on the intermediate component 3 is always achieved by the spherically curved contact and sliding surfaces 9 and 10.
  • the intermediate component 3 has a shaft-like or sleeve-like part which extends parallel to the clamping screw 2 and has a connection surface 11 which is adapted to the inner contour of the implant body 1.
  • a rotationally secure seat of the intermediate component 3 in the implant body 1 can be ensured by corresponding contouring of these connecting surfaces 11 and the corresponding inner surfaces of the implant body 1.
  • the fixing of the retaining pin 4 on the sliding surface 10 takes place in the embodiment of FIG. 2 by means of a Cons ⁇ groove 14, which was later introduced Scheme ⁇ into the intermediate member 3 is.
  • the sliding surface 10 initially allows the free pivoting mobility of the retaining pin 4 to the screw head 5. Only when the desired position of the retaining pin 4 has been determined, the receiving groove 14 is milled into the intermediate member 3, z. B. by means of a so-called crown drill or -millers. By inserting the lower edge of the Gar ⁇ pin 4 with its contact surface 9 in the receiving groove 14 ensures that the retaining pin 4 is aligned according to the previously selected position.
  • the contact surface 9 " can also be configured so that the production of the retaining pin 4 is simplified
  • Retaining pin 4 be adapted to a holding force of the Clamping screw 2 supportive interference fit of the retaining stiffener 4 in the receiving groove 14 is achieved.

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 une superconstruction prothétique comprenant: un corps d'implant pouvant être ancré dans la mâchoire; une broche de retenue servant à fixer la prothèse dentaire; un joint articulé, prévu entre le corps d'implant et la broche de retenue et permettant une orientation à mouvement pivotant de la broche de retenue par rapport au corps d'implant; le joint articulé présente une surface descendante de glissement concave, à proximité du corps d'implant, ainsi qu'une surface de contact convexe, à proximité de la broche de retenue; ainsi que des moyens de fixation qui fixent la broche de retenue orientée dans une position déterminée par rapport au corps d'implant, dans cette position. Selon l'invention, il est prévu que: la broche de retenue présente un alésage oblong s'élargissant en direction de la surface de contact; le moyen de fixation se présente sous forme de vis de blocage s'étendant dans le sens de la longueur à travers la broche de retenue et la face inférieure de la tête de la vis de blocage présente une surface convexe. La broche de retenue comporte une surface d'appui pour la tête de vis, formée de manière à correspondre à la surface convexe, de sorte à permettre une application sans espace interstitiel de la face inférieure contre la broche de retenue, dans toutes les positions angulaires possibles de la broche de retenue fixée.
PCT/EP2005/011427 2004-10-29 2005-10-25 Superconstruction prothétique munie d'un cône WO2006048150A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP05796216A EP1811916A1 (fr) 2004-10-29 2005-10-25 Superconstruction prothétique munie d'un cône

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE202004016896.0 2004-10-29
DE200420016896 DE202004016896U1 (de) 2004-10-29 2004-10-29 Prothetische Suprakonstruktion mit Konus

Publications (1)

Publication Number Publication Date
WO2006048150A1 true WO2006048150A1 (fr) 2006-05-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2005/011427 WO2006048150A1 (fr) 2004-10-29 2005-10-25 Superconstruction prothétique munie d'un cône

Country Status (3)

Country Link
EP (1) EP1811916A1 (fr)
DE (1) DE202004016896U1 (fr)
WO (1) WO2006048150A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012156458A3 (fr) * 2011-05-16 2013-03-28 Biomain Ab Superstructure et procédés de fabrication associés
US20210161624A1 (en) * 2018-08-27 2021-06-03 TRI Dental Implants Int. AG Dental prosthesis

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004016896U1 (de) * 2004-10-29 2005-03-17 Profim Ltd Prothetische Suprakonstruktion mit Konus
DE102006036715A1 (de) * 2006-08-03 2008-02-07 Klumpen, Hermann, Dr.med. Individuell ausrichtbarer und fixierbarer komplett präfabrizierter Doppelkronenimplantataufbau (Konus) inclusive vier Spezialoberteile mit entsprechenden Kappen für die bedingt herausnehmbare Implantatprothetik
DE602007006320D1 (de) 2006-08-25 2010-11-11 Biomain Ab Dentale superstruktur und verfahren zu ihrer herstellung
DE102012000136B4 (de) * 2012-01-06 2013-08-22 Heraeus Kulzer Gmbh Dentalimplantat
US9687320B2 (en) * 2014-02-17 2017-06-27 Sterngold Dental, Llc Dental device for anchoring a denture to an implant

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3829576A1 (de) 1987-12-04 1989-06-15 Bristol Myers Co Verstellbare stuetze fuer einen kuenstlichen zahn und verfahren zum verstellen
US5564925A (en) 1995-03-14 1996-10-15 Shampanier; Avi Implant for an artificial tooth
DE4224785C2 (de) 1992-07-27 1997-04-30 Imz Fertigung Vertrieb Enossales Zahnimplantat für einen festsitzenden Zahnersatz sowie Einsetzwerkzeug
US20020110783A1 (en) * 1998-11-17 2002-08-15 Lustig L. Paul Dental implant and tool and method for effecting a dental restoration using the same
DE202004016896U1 (de) * 2004-10-29 2005-03-17 Profim Ltd Prothetische Suprakonstruktion mit Konus

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3829576A1 (de) 1987-12-04 1989-06-15 Bristol Myers Co Verstellbare stuetze fuer einen kuenstlichen zahn und verfahren zum verstellen
DE4224785C2 (de) 1992-07-27 1997-04-30 Imz Fertigung Vertrieb Enossales Zahnimplantat für einen festsitzenden Zahnersatz sowie Einsetzwerkzeug
US5564925A (en) 1995-03-14 1996-10-15 Shampanier; Avi Implant for an artificial tooth
US20020110783A1 (en) * 1998-11-17 2002-08-15 Lustig L. Paul Dental implant and tool and method for effecting a dental restoration using the same
DE202004016896U1 (de) * 2004-10-29 2005-03-17 Profim Ltd Prothetische Suprakonstruktion mit Konus

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012156458A3 (fr) * 2011-05-16 2013-03-28 Biomain Ab Superstructure et procédés de fabrication associés
AU2012258257B2 (en) * 2011-05-16 2015-09-10 Heraeus Kulzer Nordic Ab Dental superstructure and method for manufacturing the same
US9554878B2 (en) 2011-05-16 2017-01-31 Heraeus Kulzer Gmbh Superstructure and methods for manufacturing the same
US20210161624A1 (en) * 2018-08-27 2021-06-03 TRI Dental Implants Int. AG Dental prosthesis

Also Published As

Publication number Publication date
DE202004016896U1 (de) 2005-03-17
EP1811916A1 (fr) 2007-08-01

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