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WO1999039653A1 - Implant dentaire intra-osseux a filetage autotaraudeur - Google Patents

Implant dentaire intra-osseux a filetage autotaraudeur Download PDF

Info

Publication number
WO1999039653A1
WO1999039653A1 PCT/CH1999/000038 CH9900038W WO9939653A1 WO 1999039653 A1 WO1999039653 A1 WO 1999039653A1 CH 9900038 W CH9900038 W CH 9900038W WO 9939653 A1 WO9939653 A1 WO 9939653A1
Authority
WO
WIPO (PCT)
Prior art keywords
thread
dental implant
implant
head
shaft
Prior art date
Application number
PCT/CH1999/000038
Other languages
German (de)
English (en)
Inventor
Martin Vogt
Alex SCHÄR
Original Assignee
Institut Straumann Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Institut Straumann Ag filed Critical Institut Straumann Ag
Priority to AU20437/99A priority Critical patent/AU2043799A/en
Publication of WO1999039653A1 publication Critical patent/WO1999039653A1/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
    • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
    • A61C8/0022—Self-screwing
    • A61C8/0024—Self-screwing with self-boring cutting edge
    • 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
    • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
    • A61C8/0022—Self-screwing
    • 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

Definitions

  • the present invention relates to an endosseous dental implant with a self-tapping thread, so that the implant can be implanted in the jawbone without first producing an internal thread:
  • the implant consists of an apically oriented tip, a middle part designed as a shaft and an implant head.
  • the implant preferably consists of titanium with a surface structure that promotes its osseointegration. All indications are considered for the implant, provided that the anatomical conditions with the special local bone supply and the prosthetic situation allow.
  • screw implants are usually preferred because they guarantee increased primary stability and a more favorable application of force under the thread flanks, with rounded threads avoiding local stress peaks (see Hartmann, Hans-Jürgen, publisher: Current status of the dentists Implantology. Spitta Verlag GmbH, Baiingen, DE, loose-leaf edition,
  • the preparation of the implant site for receiving a screw implant usually comprises the following steps (see monograph by SCHROEDER / SUTTER / BUSER / KREKELER: Oral Implantology, Georg Thieme Verlag Stuttgart and New York, 2nd edition, 1996, p. 181f.):
  • One embodiment has threads over the entire shaft up to the apical end, with three notches provided at 120 °, which penetrate transversely into the implant body and extend over a length, e.g. about 1/3 of the shaft length, extend in the coronal direction.
  • the notches in the cross-sections of some threads are exposed, which in this way form tapping edges, while the cavities created by the notches serve as a reservoir for the bone chips formed (see Hartmann, loc. Cit., Chapter B3, picture page 5; EP-B - 0 282 789).
  • it is known to create free areas behind the thread cutting edges see EP-B-0 530 160).
  • a transversely continuous opening has also been provided, which serves as a reservoir for the bone chips produced during thread cutting and at the same time for the bone to grow through for the more firm anchoring of the implant (see EP-A-0 705 574).
  • short chamfer grooves are present at the apical end and offset longitudinal or spiral grooves for chip absorption and for better growth, which extend over the entire length of the shaft (see Hartmann, loc. Cit., Chapter Hl, picture page 1; EP-A -0 622 058).
  • the external thread on the shaft of the implant is shortened and ends at a distance from the apical end.
  • tapping edges there are also chamfer grooves here to form tapping edges (see EP-B-0 263 274).
  • the invention is therefore based on the object of proposing a self-tapping dental implant which can be used with less surgical and instrumental outlay, so that fewer sources of error occur and at the same time the effort for sterilizing the required instruments is reduced. Furthermore, an inserted dental implant should have a high primary stability postoperatively and thus immediately allow the taking of impressions. Essence of the invention
  • the implant according to the invention has an external thread section on its shaft, at least some threads being self-tapping, and the apical end being designed as a self-drilling tip.
  • a dental implant is now available with the following advantages:
  • Figure 1 an implant according to the invention as an overall view
  • Figure 2A the self-drilling tip of the implant according to Figure 1 as a perspective view from the apical
  • Figure 2B the self-drilling tip of the implant according to Figure 2A as a front view
  • Figure 3A the self-tapping thread section of the implant fact according to Figure 1 as a perspective view of apical
  • Figure 3B the self-tapping thread according to figure
  • FIG. 4A an implant head with an octagon and a conical part which closes at the top as a perspective view
  • FIG. 4B an implant head with an octagon and a cylindrical part closing at the top as
  • FIG. 5A a cap-shaped support structure with octagon inside as a perspective view in partial section
  • FIG. 5B a cap-shaped support structure with a rotationally symmetrical inner contour as a perspective view in partial section.
  • FIGS. 1, 2A and 2B The basically cylindrical implant 1 consists at the top of the head 10, the middle, downwardly extending shaft 20 and the lower, apical-pointing tip 30. At the transition between the shaft 20 and the head 10 there is a radial Circumferential, horizontal shoulder 11, over which the head 10 rises axially and here as an outer night edge 12 with eight side surfaces 13, which span parallel to the central axis M.
  • the upper part of the shaft 20 facing the head 10 is formed by a trumpet-shaped extension 21.
  • the blind hole-shaped internal bore which is usually present in dental implants and which extends axially into the implant 1 from the top 14 of the head 10, is not shown. This internally threaded hole is used for the engagement of an occlusal screw to fix the healing cap or the prosthetic parts, such as e.g. an artificial tooth crown modeled over a gold cap.
  • the thread section 22 is positioned on the shaft 20 in such a way that the threads 23 come to rest in the area of the hard cortical bone of the jawbone in the later inserted state.
  • notches 28 are provided behind the thread start 24, via the first threads 23; Three notches 28, each offset by 120 °, are customary.
  • a notch 28 is formed by a puncture surface 280 penetrating transversely into the shaft 20 and directed onto the central axis M and a peripheral surface 281 which strikes the latter perpendicularly.
  • the puncture surface 280 has - apart from the raised thread cutting edges 27 - the shape of a segment of a circle, so that the peripheral surface 281 is correspondingly concave.
  • the cross-sections of some threads 23 are exposed through the notches 28; In this way, the thread cutting edges 27 are created. Those obtained with the notches 28
  • Cavities serve as a reservoir for the bone chips produced during thread cutting.
  • the notches 28 will advantageously be produced by milling.
  • Essential features of the tip 30 are also the two cutting edges 34, 34 'with the respectively adjacent free surface 35, 35', the notches 36, 36 'and the basic shape of a double-sided cannon drill.
  • the cutting edges 34, 34 'and the thread cutting edges 27 are advantageously arranged in opposite directions, i.e.
  • the drill hole is drilled in one direction of rotation by penetrating the corticalis and the thread is then cut in the opposite direction.
  • the greater depth of the drilled tunnel - now lying in the area of the softer cancellous bone - can be easily cut in the direction of rotation with the open spaces 35, 35 'ahead.
  • This cutting arrangement and the working in two directions of rotation prevent the external thread section 22 from engaging with the jaw bone during drilling and the relatively large thread pitch then determining the feed.
  • it will be advantageous to produce the drill hole in the bone by turning to the left and then to cut the thread in the jawbone by turning to the right.
  • the tip 30 is the extension of the shaft 20, from which material has been removed on several sides, preferably by milling, in order to produce the special cutting geometry. From the underside 37 of the tip 30 rise two flats 38, 38 ′ parallel to the central axis and to one another, so that only convex side flanks 39, 39 ′ remain from the previous cylindrical surface 25. At both flats 38, 38 'there is an ascending one - 10 -
  • an ascending, downwardly open notch 36, 36' is made from the underside 37, next to the central axis M. Both notches 36, 36 'lie opposite each other, so that on the underside 37 in the area of the central axis M, between the flats
  • the underside 37 is also tapered in a V-shape from the side flanks 39, 39 ′.
  • two opposing free surfaces 35, 35 ' are provided on the underside 37 between the side flanks 39, 39' and the flats 38, 38 '.
  • the free surface 35 rises from the flat 38 to the flat 38 ′, so that the cutting edge 34 is formed at the bottom of the flat 38.
  • the free surface 35 ' rises from the flattened area 38' to the flattened area 38, thus the cutting edge 34 'is formed at the bottom of the flat area 38'.
  • the free surfaces 35, 35 ' have an undercut of 30 °, while there is an angle of 118 ° between the cutting edges 34, 34'.
  • the transverse cutting edge 31 is formed on the underside 37 in the region of the central axis M by the notches 36, 36 'and the position of the free surfaces 35, 35'.
  • Thread start 24 a slight conical taper - e.g. 0.5 ° - to be provided.
  • FIGS. 3A and 3B The thread cutting edges 27 and the drilling cutters 34, 34 'are arranged here, for example, in opposite directions so that the drilling lugs are largely driven first by turning the implant 1 in the jawbone to the left. If necessary, the two chip spaces 33, 33 'are then emptied when the implant 1 is pulled out of the drilling gallery. The direction of rotation is then reversed - now clockwise - in order to cut the thread in the drill tunnel, for which purpose the thread cutting edges 27 come into action. In the case of machine thread cutting, the speed must be reduced considerably. If you work with a newer electrically driven dental handpiece, there is a changeover switch for changing the direction of rotation and a speed controller on its drive device.
  • the head 10 of the implant 1 can have a different shape.
  • the radially circumferential shoulder 11 lying at the transition between the shaft 20 and the head 10 is tapered towards the head 10.
  • the head 10 rises axially over the shoulder 11.
  • This head also has an outer octagon 12 with eight side surfaces 13 which span parallel to the central axis M.
  • the uppermost part of the head 10 closes with an ascending conical section 15.
  • a blind hole extends from the top 14 of the head 10. - 12 -
  • FIG. 4B The differences from the previous variant in accordance with FIG. 4A consist in the fact that the head 10 terminates at the top with a cylindrical section 17 which is placed on the cone section 15. Furthermore, this head 10 also projects beyond a conical shoulder 11, and it has an outer octagon 12 with eight side surfaces 13 and on the upper side 14
  • a radial recess 18 can be seen, which may have arisen during the processing of the one-piece implant 1 or is intended to demonstrate that the head 10 is inserted as a separate abutment into the then two-piece implant 1.
  • the cylindrical section 17 together with the shoulder 11 gives the prosthetic parts, e.g. a gold cap, an improved side support.
  • the edges 19 of the outer edge 12 are chamfered.
  • This support structure 50 is suitable for the configuration of the head 10 according to FIG. 4A.
  • An internal octagon 53 which can be plugged onto the outer octagon 12 of the head 10 is provided above an undercut 52 used to compensate for height tolerances.
  • Above the inner octagon 53 is a cone section 54 and at the top a screw seat 55 for receiving the head of an occlusal screw, the thread - 13 -
  • the shaft engages in the internal threaded bore 16 in the head 10.
  • the placement shoulder 51 should interact with the shoulder 11 as free of gaps as possible; therefore, play is provided between the cone section 15 of the head 10 and the cone section 54 of the supporting frame 50.
  • the support structure 50 is made of gold, titanium or burn-out plastic.
  • the modified supporting structure 50 differs only in its inner contour; instead of the inner octagon 53, a cylinder section 56 is provided.
  • the support structure 50 shown here is also used in connection with the head 10 according to FIG. 4A. This support structure 50 will be used for bridge or web constructions where radial positioning by means of a polygon is not necessary or even troublesome.
  • the implant 1 is preferably in one piece. If two-part implants 1 are used, a very rigid connection between the insertion tool and the implant 1 must be ensured with regard to the torques that occur when the implant 1 is placed.
  • the shaft 20 impart a known specific roughness by applying material as a coating or by removing material by mechanical / chemical treatment.
  • the trumpet-shaped extension 21 is not mandatory, but is advantageous for later anchoring of the implant 1 in the jawbone. So the shaft 20 could also continue cylindrically up to the head 10.
  • the extension 21 or the adequate cylindrical portion on the surface 25 is preferably smooth.
  • the thread 22, 23 is left-handed.
  • the attack contour for the insertion tool could not be an outer, non-rotationally symmetrical contour, but could lie internally in the uppermost region of the implant 1.
  • Such an inner contour would be e.g. a hexagon socket.
  • Wind cutting must be carried out at a significantly reduced speed.
  • a covering of the external thread section 22 is conceivable as a safety precaution during drilling. For this, e.g. a sleeve that can be plugged onto the implant 1.
  • a support frame 50 complementary to the configuration of the head 10 according to FIG. 4B would have a further cylinder section above the cone section 54, which is suitable for the cylindrical section 17.

Landscapes

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

Abstract

L'invention concerne un implant dentaire (1) intra-osseux qui comporte, en partant du haut, une tête (10), une tige (20), constituant la partie centrale et s'étendant vers le bas, et une pointe (30) qui est dirigée vers la partie apicale. A l'intérieur d'une section à filetage extérieur (22) se trouvent des arêtes autotaraudeuses (27) connues en soi, la pointe (30) comportant au moins un tranchant autoforeur (24). Les tranchants autoforeurs (34) et les arêtes autotaraudeuses (27) peuvent être disposés dans le même sens ou dans des sens opposés, et, dans ce dernier cas, lors de la rotation de l'implant (1) dans un sens, ce sont seulement les tranchants autoforeurs (34) ou seulement les arêtes autotareudeuses (27) qui assurent leur fonction de coupe. Les principaux avantages offerts par un tel implant (1) résident dans le fait que, lors de la réalisation du support d'implant, la complexité chirurgicale et instrumentale est réduite. Les sources d'erreurs et le risque d'avoir un support d'implant trop bas dans la zone apicale sont également réduits. On obtient également, après fixation, un implant (1) d'une grande stabilité primaire postopératoire et intégré de façon optimale, ce qui donne la possibilité d'effectuer plutôt la prise d'empreintes et les soins prothétiques.
PCT/CH1999/000038 1998-02-05 1999-01-29 Implant dentaire intra-osseux a filetage autotaraudeur WO1999039653A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU20437/99A AU2043799A (en) 1998-02-05 1999-01-29 Endo-osseal dental implant with a self-cutting screw

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH279/98 1998-02-05
CH27998 1998-02-05

Publications (1)

Publication Number Publication Date
WO1999039653A1 true WO1999039653A1 (fr) 1999-08-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CH1999/000038 WO1999039653A1 (fr) 1998-02-05 1999-01-29 Implant dentaire intra-osseux a filetage autotaraudeur

Country Status (2)

Country Link
AU (1) AU2043799A (fr)
WO (1) WO1999039653A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005020824A3 (fr) * 2003-08-21 2005-06-09 Osteomed Lp Systeme d'ancrage osseux
JP2010194171A (ja) * 2009-02-26 2010-09-09 Kikusui Chemical Industries Co Ltd インプラントフィクスチャー
WO2011157860A1 (fr) * 2010-06-14 2011-12-22 Avino Bolinches Juan Manuel Amélioration apportée à l'objet de l'invention p200902041 implant autofraiseur et autotaraudeur
WO2013041734A1 (fr) * 2011-09-22 2013-03-28 Avino Bolinches Juan Manuel Implant dentaire auto-fraisant
CN103690254A (zh) * 2013-12-27 2014-04-02 无锡雨田精密工具有限公司 一种口腔种植体
CN108703813A (zh) * 2018-06-14 2018-10-26 重庆医科大学附属口腔医院 人工牙种植体
US10271927B2 (en) 2001-11-30 2019-04-30 Straumann Holding Ag Ceramic dental implant
CN113164232A (zh) * 2018-10-11 2021-07-23 斯特劳曼控股公司 牙科种植体螺纹件
DE102021124543A1 (de) 2021-09-22 2023-03-23 Bego Implant Systems Gmbh & Co. Kg Zahnimplantat
WO2024105619A1 (fr) * 2022-11-17 2024-05-23 Oz Vachtenberg Implant dentaire à auto-ostéotomie et élément de fixation orthopédique

Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2388482A (en) 1943-01-16 1945-11-06 Herbert H Haynes Surgical screw
FR2050198A1 (fr) * 1969-06-13 1971-04-02 Scialom Jacques
DE8631649U1 (de) 1985-11-28 1987-03-05 Jaquet Orthopedie S.A., Plan-Les-Ouates Transkutaner Befestigungsstift für Knochenfragmente oder -teile
EP0323559A2 (fr) * 1987-12-04 1989-07-12 Pier Maria Mondani Implant dentaire auto-taraudant
EP0282789B1 (fr) 1987-03-17 1990-07-04 Hans L. Prof. Grafelmann Implant autofiletant dans l'os pour la dentisterie
EP0263274B1 (fr) 1986-09-04 1992-05-06 V.P. Intellectual Properties, L.L.C. Prothèse filetée totalement implantée
EP0622058A2 (fr) 1993-04-27 1994-11-02 Medevelop Aktiebolag Organe d'ancrage implantable pour la réception de prothèses de parties d'articulation artificielles et d'objets similaires
EP0657142A1 (fr) 1993-12-07 1995-06-14 Synthes AG, Chur Elément d'ostéosynthèse
EP0530160B1 (fr) 1991-08-27 1996-04-03 Nobelpharma AB Elément destiné à l'ancrage
EP0705574A2 (fr) 1994-10-05 1996-04-10 Core-Vent Corporation Implant dentaire endo-osseux à surface sélective de filet extérieur
US5584629A (en) * 1995-05-30 1996-12-17 Crystal Medical Technology, A Division Of Folsom Metal Products, Inc. Connector for medical implant
WO1996041573A1 (fr) 1995-06-13 1996-12-27 Synthes Ag Chur Element de fixation des os autoforant
EP0776639A2 (fr) * 1995-11-03 1997-06-04 Fernando Ricci Implant dentaire pour la fusion d'os avec ancrage hybride

Patent Citations (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2388482A (en) 1943-01-16 1945-11-06 Herbert H Haynes Surgical screw
FR2050198A1 (fr) * 1969-06-13 1971-04-02 Scialom Jacques
DE8631649U1 (de) 1985-11-28 1987-03-05 Jaquet Orthopedie S.A., Plan-Les-Ouates Transkutaner Befestigungsstift für Knochenfragmente oder -teile
EP0263274B1 (fr) 1986-09-04 1992-05-06 V.P. Intellectual Properties, L.L.C. Prothèse filetée totalement implantée
EP0282789B1 (fr) 1987-03-17 1990-07-04 Hans L. Prof. Grafelmann Implant autofiletant dans l'os pour la dentisterie
EP0323559A2 (fr) * 1987-12-04 1989-07-12 Pier Maria Mondani Implant dentaire auto-taraudant
EP0530160B1 (fr) 1991-08-27 1996-04-03 Nobelpharma AB Elément destiné à l'ancrage
EP0622058A2 (fr) 1993-04-27 1994-11-02 Medevelop Aktiebolag Organe d'ancrage implantable pour la réception de prothèses de parties d'articulation artificielles et d'objets similaires
EP0657142A1 (fr) 1993-12-07 1995-06-14 Synthes AG, Chur Elément d'ostéosynthèse
EP0705574A2 (fr) 1994-10-05 1996-04-10 Core-Vent Corporation Implant dentaire endo-osseux à surface sélective de filet extérieur
US5584629A (en) * 1995-05-30 1996-12-17 Crystal Medical Technology, A Division Of Folsom Metal Products, Inc. Connector for medical implant
WO1996041573A1 (fr) 1995-06-13 1996-12-27 Synthes Ag Chur Element de fixation des os autoforant
EP0776639A2 (fr) * 1995-11-03 1997-06-04 Fernando Ricci Implant dentaire pour la fusion d'os avec ancrage hybride

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
S. HARTMANN, HANS-JORGEN: "Aktueller Stand der zahnärztlichen Implantologie", STAND (LOSEBLATTAUSGABE), vol. 4, no. B4, November 1997 (1997-11-01), pages 2
SCHROEDER, SUTTER, BUSER, KREKELER, ORAL IMPLANTOLOGIE, 1996, GEORG THIEME VERLAG, STUTTGART + NEW YORK, pages 181

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10271927B2 (en) 2001-11-30 2019-04-30 Straumann Holding Ag Ceramic dental implant
US7662157B2 (en) 2003-08-21 2010-02-16 Osteomed L.P. Bone anchor system
WO2005020824A3 (fr) * 2003-08-21 2005-06-09 Osteomed Lp Systeme d'ancrage osseux
JP2010194171A (ja) * 2009-02-26 2010-09-09 Kikusui Chemical Industries Co Ltd インプラントフィクスチャー
WO2011157860A1 (fr) * 2010-06-14 2011-12-22 Avino Bolinches Juan Manuel Amélioration apportée à l'objet de l'invention p200902041 implant autofraiseur et autotaraudeur
ES2371804A1 (es) * 2010-06-14 2012-01-10 Juan Manuel Aviñó Bolinches Perfeccionamiento en el objeto de la patente n. p-200902041 implante autofresante y autorroscante.
WO2013041734A1 (fr) * 2011-09-22 2013-03-28 Avino Bolinches Juan Manuel Implant dentaire auto-fraisant
EP2749244A4 (fr) * 2011-09-22 2015-03-04 Bolinches Juan Manuel Aviño Implant dentaire auto-fraisant
CN103690254A (zh) * 2013-12-27 2014-04-02 无锡雨田精密工具有限公司 一种口腔种植体
CN108703813A (zh) * 2018-06-14 2018-10-26 重庆医科大学附属口腔医院 人工牙种植体
CN113164232A (zh) * 2018-10-11 2021-07-23 斯特劳曼控股公司 牙科种植体螺纹件
CN113164232B (zh) * 2018-10-11 2023-01-03 斯特劳曼控股公司 牙科种植体螺纹件
DE102021124543A1 (de) 2021-09-22 2023-03-23 Bego Implant Systems Gmbh & Co. Kg Zahnimplantat
WO2023046622A1 (fr) 2021-09-22 2023-03-30 Bego Implant Systems Gmbh & Co. Kg Implant dentaire
EP4404867A1 (fr) * 2021-09-22 2024-07-31 BEGO Implant Systems GmbH & Co. KG Implant dentaire
WO2024105619A1 (fr) * 2022-11-17 2024-05-23 Oz Vachtenberg Implant dentaire à auto-ostéotomie et élément de fixation orthopédique

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