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WO2019110671A1 - Agencement de prothèse dentaire et procédé de réalisation d'un agencement de prothèse dentaire - Google Patents

Agencement de prothèse dentaire et procédé de réalisation d'un agencement de prothèse dentaire Download PDF

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Publication number
WO2019110671A1
WO2019110671A1 PCT/EP2018/083670 EP2018083670W WO2019110671A1 WO 2019110671 A1 WO2019110671 A1 WO 2019110671A1 EP 2018083670 W EP2018083670 W EP 2018083670W WO 2019110671 A1 WO2019110671 A1 WO 2019110671A1
Authority
WO
WIPO (PCT)
Prior art keywords
dental prosthetic
coating
base body
arrangement according
prosthetic arrangement
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.)
Ceased
Application number
PCT/EP2018/083670
Other languages
German (de)
English (en)
Inventor
Jörg LERMER
Olaf GLÜCK
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bredent GmbH and Co KG
Original Assignee
Bredent GmbH and Co KG
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 Bredent GmbH and Co KG filed Critical Bredent GmbH and Co KG
Priority to DE112018006233.3T priority Critical patent/DE112018006233A5/de
Publication of WO2019110671A1 publication Critical patent/WO2019110671A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • A61C8/0065—Connecting devices for joining an upper structure with an implant member, e.g. spacers with expandable or compressible means
    • 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
    • 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
    • A61C8/0057—Connecting devices for joining an upper structure with an implant member, e.g. spacers with elastic means
    • 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
    • A61C8/006—Connecting devices for joining an upper structure with an implant member, e.g. spacers with polygonal positional means, e.g. hexagonal or octagonal
    • 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
    • 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
    • A61C8/0075—Implant heads specially designed for receiving an upper structure
    • 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
    • A61C8/0086—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools with shock absorbing means

Definitions

  • the invention relates to a dental prosthetic arrangement and a method for producing a dental prosthetic arrangement.
  • Arrangements for dental prostheses are known from the prior art, in which a non-rigid, in particular elastic connection is made between a dental crown or a denture and a carrier anchored in the jaw of a patient for receiving impact forces.
  • DE 10 2006 021 181 B3 discloses a dental prosthesis carrier implant which consists of a carrier post and a carrier element arranged thereon with a certain amount of movement for receiving a tooth crown or a dental prosthesis. Between the support post and the support element, a support element is disposed axially away from the support post and away from the support post. The support post and the support element are connected to one another via an elastomeric material which, after introduction in liquid form, is tied off in place between the support post and the support element and completely fills the gap between the support post and the support element.
  • EP 0 382 771 B1 discloses a pin for attachment to an endosteal part of a dental implant which has a central core with a head part and a lower part provided with fastening means for fastening the pin to the implant. Furthermore, a cap is provided which is true to cover at least a portion of the head portion, further comprising a first elastic member disposed at the interface between the cap and the central core at the upper end of the head portion, the unit being configured to provide relative movement of the cap with respect to the central core, and wherein laterally arranged holding members are provided in order to limit the vertical relative movement of the cap with respect to the central core.
  • a second elastic member is provided, which is arranged at the interface between the cap and the central core in a slot located at the periphery of the head portion of the central core at the level of the lower end of the cap, for vertical support and to allow lateral support of the cap.
  • This embodiment of a pin is very expensive, which in addition from a use in connection with conventional implants is not readily apparent.
  • a dental prosthetic assembly comprising an abutment comprising, as a first part for determining its mechanical stability, a base body which is connectable to an implant on its underside and the second part having a deformable coating on its upper side is provided, which is firmly connected to the top of the body.
  • a two-part abutment in which a basic body designed as a base defines the mechanical stability of the abutment, while the overlying coating of elastic material, the desired damping between an overlying yakprothetician Museum and an underlying implant creates.
  • the deformable, for example, elastic coating is firmly connected to the base body, so that only by choosing the material of the coating, the setting of a desired hardness is made possible, without having to provide complicated mechanical structures.
  • the base body is made of metal, polymer or zirconium dioxide.
  • the coating is made of silicone, a soft-elastic mass or a rubber-elastic mass.
  • the coating may be made of a deformable mass, in particular a thermoplastic polymer, preferably PEEK.
  • a deformable mass in particular a thermoplastic polymer, preferably PEEK.
  • PEEK thermoplastic polymer
  • thermoplastic materials are provided, in particular PEEK, which are slightly deformable and can be applied to a base body as a coating.
  • the coating is polymerized, over-pressed, sprayed on, glued or bonded via a bonding agent.
  • thermoplastic polymers when using thermoplastic polymers, a hot pressing of the coating on the body lends itself to. Here, too, a secure connection and coating and body can be achieved.
  • the base body with a primer before applying the coating.
  • the adhesion promoter can be a chemical compound with the material of the coating received. Accordingly, the connection between the coating and the body can be improved.
  • the base body may be roughened on the surface facing the cover on its surface. With the use of thermoplastic polymers, it has proven useful to roughen the surface to be hot-pressed in order to achieve better adhesion of the thermoplastic material to the base body.
  • the base body can be introduced into a mold, with a correspondingly shaped muffle shape making it possible to produce a coating in the desired geometric shape.
  • the coating in the form of an outer cone, so that a prosthesis can be placed on the coating by means of cone inhibition and held thereon.
  • the upper side of the main body is formed with cylindrical, conical or oblique surfaces, whereby mixed forms are conceivable.
  • the design of the upper side of the main body can be designed differently depending on the application, in particular about one longitudinal axis rotationally symmetrical configurations are easy to produce.
  • the layer thickness of the coating can be selected according to the requirements for the formation of a male part.
  • an opening on the base body and an opening on the coating are formed opposite to the implant. Accordingly, it is possible to introduce into the dental prosthetic arrangement a fastening means, for example a screw, occlusally or to insert a screwdriver in order, for example, to fix the abutment on an implant.
  • the coating is provided with a retention element.
  • a circumferential collar can be used, which is formed in the elastic material of the coating. Accordingly, the coating can be issued in such a way that, when used as a male, the desired withdrawal force of a dental prosthesis or a crown is established.
  • the base body is formed from the underside with an annular portion, the outer edge of which can be designed as a driving profile.
  • the coating is not completely guided to the bottom of the basic body, so that at least partially the material of the base body is exposed at the outer edge.
  • a driving profile can be formed, which can be used as a tool approach example of a wrench.
  • the basic body can also be hollow-shaped along its longitudinal axis and be provided on an inner surface with a driving profile.
  • a tool attachment is formed on an inner surface of the base body, so that, for example, a screwdriver configured with a corresponding entrainment profile can be inserted in the occlusal direction in order to fasten the abutment to an implant.
  • the base body is provided on its underside with an internal thread, which can form an angled abutment with a preferably angled lower part with a corresponding external thread.
  • connection element geometries for fixing an abutment can be used in an implant, which may comprise, for example, structured outer surfaces or cams.
  • the coating is fixed in a prosthesis or crown.
  • the coating can be provided with a cap which can be inserted into a prosthesis or crown.
  • the system of male and female mold known in the dental art is transferred to the arrangement according to the invention.
  • the coating forms the male, whereby instead of a cap, this can also come directly to lie in the prosthesis or crown.
  • a method for producing a dental prosthetic arrangement with an abutment which as a first part for fixing its mechanical stability comprises a base body having on its underside a fastening means for an implant and on its upper side as a second part an elastic coating is provided, which is firmly connected to the top of the body by polymerization or adhesive bonding.
  • a one-piece implant which has a construction post for receiving a crown or prosthesis, which is provided on its upper side with an elastic coating which is connected to the upper side of the basic body by polymerization, adhesive bonding or via a bonding agent is firmly connected.
  • FIG. 1 shows a first embodiment of a dental prosthetic arrangement according to the invention in a perspective side view
  • FIG. 2 shows the embodiment of FIG. 1 with identification of hidden parts
  • FIG. 3 shows a part of the dental prosthetic arrangement from FIG. 1, FIG.
  • FIG. 5 shows the embodiment of FIG. 1 in a partially broken Presentation
  • Fig. 8 shows a further embodiment of the invention in a sectional view
  • the tooth-prosthetic arrangement ZA has a main body GK, which is designed starting from a lower side US with an annular section RA.
  • the annular portion RA is shown in the embodiment of FIG. 1 as a circumferential outer edge of the body, but may also be formed only in sections in other embodiments.
  • the ring-shaped section RA is provided on its outer side with a driving profile MP, which can be used as a tool holder, for example a wrench.
  • carrier profiles MP of different shapes or designed in different numbers can be provided. io
  • an elastic coating UZ is formed, which in the example shown has a frustoconical shape in the lower region and is closed towards an opening OE by a retention element RE.
  • the retention element RE is designed as a completely circumferential collar, although other configurations would also be possible here.
  • the tooth-prosthetic arrangement ZA is connected to the underside US with an implant (not shown in FIG. 1), wherein the coating UZ can be used as a patrix for a crown or a prosthesis
  • the structure of the main body GK is shown in more detail again, with the elements hidden by the coating UZ being shown in dashed lines.
  • the base body GK merges on an upper side OS, which adjoins the annular portion RA, into a region with mutually tapered side surfaces SF, which in the example shown are of frusto-conical form.
  • the upper side OS is completely covered with the coating UZ, wherein the coating UZ is firmly connected to the main body GK.
  • the compound of the coating UZ with the main body GK can be prepared for example by polymerization or by gluing.
  • the main body GK can also be provided with an air-bonding agent in the region of the upper side OS, so that the coating UZ adheres better to the base body GK.
  • the base body GK may be provided below the opening OE in the coating UZ with a further opening OE ', for example, for introducing an occlusal screw in the attachment the tooth-prosthetic arrangement ZA can be used on an implant.
  • FIG. 3 that part of the dental prosthetic arrangement is shown, which is formed by the main body GK.
  • the main body GK is typically made of metal, suitable materials being known to the person skilled in the art.
  • the base body can also be made of zirconium dioxide or a hardened polymer.
  • the coating UZ would be applied to the main body GK according to FIG. 3, for example by means of a suitable mold.
  • the coating UZ is typically made of silicone, but other rubber or soft elastic materials are not excluded.
  • FIG. 4 shows a further exemplary embodiment in which the dental prosthetic arrangement ZA forms an angled abutment together with a lower part UT.
  • the main body GK seats with its underside US on the bottom part UT, wherein the connection between bottom part UT and main body GK is produced by means of corresponding internal thread IG and external thread AG.
  • the internal thread IG is formed on the inside of the base body GK, while the external thread AG is arranged on a projecting portion of the bottom part UT.
  • the configuration of the driving profile MP described above can be used for fixing the basic body GK on the lower part UT.
  • the angled abutment thus formed can be fixed by means of a screw SR on an implant (not shown in Fig.
  • the coating ZU for example of silicone forms as the second part of the abutment a male, on which a crown or a prosthesis can be placed.
  • the embodiment of the dental prosthetic arrangement ZA according to FIG. 4 is again shown in FIG. 5 in a partially broken representation. In this two-part representation, starting from a vertical parting line, both the outer shape and the inner shape are shown. Starting from the upper side OS, frustoconical side surfaces SF can be seen, on which the coating UZ is mounted.
  • the main body GK is hollow in its interior, so that the projecting element of the lower part UT can engage with its external thread AG in the internal thread IG.
  • FIG. 6 another embodiment of the invention is shown.
  • a lower part UT is provided which, at its in
  • the bottom part UT has an external thread AG, wherein in Fig. 6, a state before connecting the external thread AG is shown with the internal thread IG in the main body GK.
  • the base body at its lower edge on no carrier profile this is rather at the upper end of the body on an inner surface as a driving profile MP formed. Accordingly, it is possible to fix the base body by means of a screwdriver, which is introduced into the driving profile MP, on the lower part UT that the underside US comes to rest on the lower part UT gap-free.
  • the coating UZ with retention element RE in turn serves as a patrix for receiving a crown or a prosthesis.
  • a connecting element VE is arranged starting from the underside US of the dental prosthetic device ZA, so that the dental prosthetic device ZA can form a straight abutment.
  • a carrier profile MP is formed, wherein, as already described above, the coating UZ with retention element RE is used as a male for a crown or a prosthesis.
  • the coating UZ is in turn above the top OS firmly connected to the body
  • a so-called miniature implant IM use is shown with a so-called miniature implant IM.
  • the main body GK is designed such that a fastening element BE arranged at the upper end of the implant IM is surrounded, wherein an occlusal screw (not shown in FIG. 8) can be introduced within the opening OE in order to place the main body GK on the implant IM to fix.
  • an occlusal screw (not shown in FIG. 8) can be introduced within the opening OE in order to place the main body GK on the implant IM to fix.
  • the coating UZ is arranged with the retention element RE.
  • Crown or prosthesis as the main body GK which is provided on its upper side OS with an elastic coating UZ, which is firmly connected to the upper side OS of the body GK by polymerization, bonding or connection with an NEN FLUFF.
  • each show coatings UZ with a curvilinear retention element RE. It should be noted that in this case, however, other configurations are possible. Furthermore, it can be provided, the dental prosthetic arrangement ZA in the region of the coating UZ with a cap provided as a template of a denture or a crown. Due to the inventive design of a dental prosthetic arrangement with an elastic male part, which is used as an integral part of an abutment, a connection between crowns and prostheses as well as implants can be produced in many different ways.
  • Fig. 9 another embodiment of the invention is shown.
  • the coating UZ in the embodiment according to FIG. 9 can be made from a thermoplastic material which is applied to the base body GK Top of the body was applied, for example by means of Fl dimeterpressens. It is also possible to roughen the corresponding side of the basic body GK facing the coating UZ in order to achieve an improved fastening of the thermoplastic polymer to the basic body GK.
  • PEK for example, which can be used in the mouth of a patient without irritation because of its biocompatibility, can be used as the thermoplastic material.
  • PEEK like other high-performance polymers, has a high load-bearing capacity, so that high fracture stabilities can be achieved.
  • the tooth-prosthetic arrangement ZA shown in FIG. 9 has been produced in contrast to the embodiment according to FIG. 4 without retention element RE.
  • the coating UZ is shaped such that its outer surface forms an outer cone AK, which can be introduced by means of cone inhibition into an inner cone of a dental prosthesis, not shown, so that the dental prosthesis can be fastened to the abutment.
  • thermoplastic see plastic material but still represents a certain deformability, with suitably selected geometries of the outer cone AK yet a secure attachment of the denture on the abutment is possible.
  • FIG. 9 in an angled abutment with lower part UT can, of course, also be combined for the other embodiments of the invention described in connection with FIGS. 1 to 3 and 5 to 8, that is also with one-piece implants , angled abutments or mini-implants.
  • the features indicated above and in the claims, as well as the features which can be seen in the illustrations, can be implemented advantageously both individually and in various combinations.
  • the invention is not limited to the exemplary embodiments described, but can be modified in many ways within the scope of expert knowledge.

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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

L'invention concerne un agencement de prothèse dentaire et un procédé de réalisation d'un agencement de prothèse dentaire qui comprend un pilier prothétique qui en tant que première partie pour établir sa stabilité mécanique comprend un corps de base (GK) qui peut être relié à un implant (IM) sur son côté inférieur (US) et qui présente sur son côté supérieur (OS) en tant que seconde partie une gaine élastique (UZ) qui est reliée fixement au côté supérieur (OS) du corps de base (GK).
PCT/EP2018/083670 2017-12-07 2018-12-05 Agencement de prothèse dentaire et procédé de réalisation d'un agencement de prothèse dentaire Ceased WO2019110671A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112018006233.3T DE112018006233A5 (de) 2017-12-07 2018-12-05 Zahnprothetische Anordnung und Verfahren zur Herstellung einer zahnprothetischen Anordnung

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017129176.8A DE102017129176A1 (de) 2017-12-07 2017-12-07 Zahnprothetische Anordnung und Verfahren zur Herstellung einer zahnprothetischen Anordnung
DE102017129176.8 2017-12-07

Publications (1)

Publication Number Publication Date
WO2019110671A1 true WO2019110671A1 (fr) 2019-06-13

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PCT/EP2018/083670 Ceased WO2019110671A1 (fr) 2017-12-07 2018-12-05 Agencement de prothèse dentaire et procédé de réalisation d'un agencement de prothèse dentaire

Country Status (2)

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DE (2) DE102017129176A1 (fr)
WO (1) WO2019110671A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250025268A1 (en) * 2022-04-22 2025-01-23 Innoden Co., Ltd. Abutment for implant absorbing external impact and a manufacturing method thereof

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308738A1 (fr) * 1987-09-17 1989-03-29 Ernst-Jürgen Dr.med.dent. et Dipl.-Ing. Richter Dispositif de fixation d'une couronne pour implant
DE3905608A1 (de) * 1988-02-23 1989-09-07 Mitsubishi Mining & Cement Co Kuenstlicher zahn
EP0382771B1 (fr) 1987-10-08 1993-12-08 SCATENA, Aldo Moignon destine a etre fixe sur la partie endostale d'un implant dentaire
DE102006021181B3 (de) 2006-05-06 2007-05-03 Laux, Thomas, Dr. Zahnprothesen-Trägerimplantat
DE102013100529A1 (de) * 2013-01-18 2014-07-24 Bredent Gmbh & Co. Kg Verankerungselement und Verfahren zur Herstellung

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0308738A1 (fr) * 1987-09-17 1989-03-29 Ernst-Jürgen Dr.med.dent. et Dipl.-Ing. Richter Dispositif de fixation d'une couronne pour implant
EP0382771B1 (fr) 1987-10-08 1993-12-08 SCATENA, Aldo Moignon destine a etre fixe sur la partie endostale d'un implant dentaire
DE3905608A1 (de) * 1988-02-23 1989-09-07 Mitsubishi Mining & Cement Co Kuenstlicher zahn
DE102006021181B3 (de) 2006-05-06 2007-05-03 Laux, Thomas, Dr. Zahnprothesen-Trägerimplantat
DE102013100529A1 (de) * 2013-01-18 2014-07-24 Bredent Gmbh & Co. Kg Verankerungselement und Verfahren zur Herstellung

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20250025268A1 (en) * 2022-04-22 2025-01-23 Innoden Co., Ltd. Abutment for implant absorbing external impact and a manufacturing method thereof
EP4512365A4 (fr) * 2022-04-22 2026-01-21 Innoden Co Ltd Pilier prothétique absorbant un choc externe et procédé de fabrication associé

Also Published As

Publication number Publication date
DE102017129176A1 (de) 2019-06-13
DE112018006233A5 (de) 2020-09-10

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