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WO1988003391A1 - Implant intra-alveolaire - Google Patents

Implant intra-alveolaire Download PDF

Info

Publication number
WO1988003391A1
WO1988003391A1 PCT/SE1987/000517 SE8700517W WO8803391A1 WO 1988003391 A1 WO1988003391 A1 WO 1988003391A1 SE 8700517 W SE8700517 W SE 8700517W WO 8803391 A1 WO8803391 A1 WO 8803391A1
Authority
WO
WIPO (PCT)
Prior art keywords
implant
root
analogue
alveolus
tooth
Prior art date
Application number
PCT/SE1987/000517
Other languages
English (en)
Inventor
Dan Lundgren
Original Assignee
Dan Lundgren
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 Dan Lundgren filed Critical Dan Lundgren
Priority to KR1019880700779A priority Critical patent/KR890700015A/ko
Publication of WO1988003391A1 publication Critical patent/WO1988003391A1/fr
Priority to NO883010A priority patent/NO883010L/no
Priority to DK374188A priority patent/DK374188A/da

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
    • 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
    • A61C8/0036—Tooth replica

Definitions

  • the present invention relates to an implant for implantation into tooth alveoli.
  • elements can be implanted by operation e.g. into jawbones so as to serve as permanent supports for artificial tooth crowns, tooth bridges, and tooth prostheses.
  • prefabricated, often cylindrical implants commonly are used, which can be provided with one or more surface layers most often of a sintered material, comprising small spheres which together with the cavities defined by the spheres form undercuts for the growth of surrounding tissue thereinto and thus are considered to optimize the retention between the implant and the tissue.
  • the cylindrical implants can also have threads, so-called screw implants, which can be implanted by means of surgical instruments and surgical technique which allow a very accurate and careful boring and threading of the bone tissue involved.
  • the implant materials vary from ceramics of different kinds to metals.
  • the implant system which is far most satisfactorily proved in the literature and has the longest follow-up time, is based on the utilization of a screw type titanium implant, developed by Prof. Per Ingvar Branemark and his collaborators in Gothenburg. This implant system demonstrates very good long-term results and is used by routine in clinical work.
  • the purpose of the present invention is to provide an implant which can be implanted without utilizing the extra-alveolar region outside the walls of the tooth alveolus involved. As a consequence thereof no surgical intervention has to be made in the bone tissue surrounding the alveolus.
  • the implant of the invention has obtained the characterizing features according to claim 1. This avoids discrepancy between the implant surface and the surrounding bone tissue (alveolar walls) and makes possible to optimize osseous integration (healing of the bone against the implant surface without intervening soft tissue) . Since the implant is made as a very accurate tooth root analogue, it can very easily be inserted into the alveolus immediately after the extraction (removal) of the tooth or tooth root involved and an optimal, stable fixation can immediately be obtained, which is very essential in order to obtain the osseous integration mentioned above. This is further secured by the alveolus being accurately checked and if necessary being scraped to be cleaned from root membrane residues.
  • FIG. 1 is a vertical sectional view of an implanted root analogue before this has been provided with a build-up
  • FIG. 2 is a view similar to that of FIG. 1 after the implanted root analogue having been provided with an artificial tooth crown, and FIG. 3 in a corresponding manner discloses another embodiment.
  • the implant indicated at 10 in the drawings preferably consists of pure titanium, but it can also consist of a titanium alloy or another metal or ceramic, or it can be coated on the surface thereof with hydroxy apatite or another suitable material.
  • the implant can have undercuts 11 on the surface thereof for improved retention by growth of bone tissue
  • the undercuts can comprise knots, spheres (sintered metal) or cavities of other types or can comprise ribs which can be curved or can have acute, right, or obtuse angles. These surface variations preferably should be limited to include primarily the alveolar region but can extend somewhat above the bone alveolus so as to allow growth of the connective tissue
  • the unique shape of the implant (with the external contour accurately adapted to the wall of the alveolus involved) is obtained when the implant is made - e.g. of pure titanium - by a specific electroerosion technique.
  • the shape of the root analogue is varied in relation to the original root (or the alveolus) and is shaped, e.g. in such a way that there is provided apically, in the lower portion of the root, such a volume that the root analogue presses slightly against the walls of the alveolus.
  • the primary fixation will be improved, which is essential for an undisturbed healing without growth of soft tissue 13, 1 inbetween the implant and the wall of the alveolu .
  • the implant can be provided in the cervical portion thereof (i.e. at the neck of the implant or root analogue) with a collar 15 which can consist of a titanium net or a titanium structure perforated in another manner, or of a net or perforated structure of another material, e.g. polytetrafluoro ethylene, which has been expanded and contains pores of a suitable size.
  • the collar can also consist of polyester or another suitable tissue-consistent material such as polyurethane.
  • the collar can consist of a resorptive material, possibly combined with a non-resorptive material of the kinds referred to.
  • the resorptive material e.g. can consist of polydioxanon.
  • the collar is shaped, such that it connects to the neck of the root analogue completely sealing against the neck, and forms a baffle between the soft tissue layer (connective tissue 13 and epithelium 14) and the bone tissue 12.
  • the soft tissue layer connective tissue 13 and epithelium 14
  • bone deficiencies 16 associated with the alveolus will be covered by the collar 15 which by separating the bone tissue 12 from the connective tissue 13 stimulates cells from the bone tissue to migrate into the bone deficiency 16 and to fill such deficiency with bone tissue (cfr. FIG. 2) and thus improve the fixation of the root analogue to the bone.
  • the implanted root analogue is shaped such that it can be implanted with complete mucous membrane coverage, i.e. the mucous membrane is sutured over the root analogue located in the alveolus.
  • the suture is indicated at 14'.
  • the root analogue has, therefore, in connection with the electroerosion been cut at the highest bone level in the alveolus by means of e.g. laser technique which provides a junction having an extraordinarily good fit.
  • the analogue forms a threaded central hole 17.
  • the analogue When the analogue is to be implanted, it is provided with a cover screw 18 which is screwed into the threaded hole.
  • This cover screw can also function as an attachment for the collar 15 which is intended to contribute to guidance of the bone tissue growth into bone deficiencies possibly existing around the alveolus.
  • stage 2 of the operation is effected, which means that the cover screw 18 is uncovered by incision, the cover screw being removed and being replaced by a fastening screw 19 which connects a cut-off apertured 5 spacer 20 which in turn is exactly adapted to or alternatively forms the core of the tooth crown 21 involved.
  • the tooth crown preferably is made of acrylate.
  • the cover screw 18 mounted on the root analogue in connection with the implantation thereof can consist of the cover screw already used in the implant system
  • the end surface of the root analogue facing the cover screw in this case is shaped as the end surface in said system, having a central threaded hole dimensioned as in this system.
  • cover screw such as cover screw, spacer, spacer screw, and fastening screw
  • fastening screw can be used for connecting the tooth crown involved to the tooth analogue.
  • the root analogue can be connected also to a coupling element (Swedish patent
  • the central threaded hole 17 of the root analogue can be a through hole and extend over the total length of the root

Landscapes

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

Abstract

Un implant destiné à être implanté dans les alvéoles dentaires comprend un analogue de racine (10) dont la forme externe est sensiblement adaptée à la forme de la racine à remplacer, afin que l'analogue de racine, une fois implanté dans l'alvéole dentaire, soit en concordance avec les parois osseuses de cette dernière.
PCT/SE1987/000517 1986-11-06 1987-11-05 Implant intra-alveolaire WO1988003391A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019880700779A KR890700015A (ko) 1986-11-06 1987-11-05 치조내의 이식조직편
NO883010A NO883010L (no) 1986-11-06 1988-07-05 Intraalveolaert implantat.
DK374188A DK374188A (da) 1986-11-06 1988-07-05 Intraalveolaert implantat

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8604757-8 1986-11-06
SE8604757A SE459152B (sv) 1986-11-06 1986-11-06 Intraalveolaert implantat

Publications (1)

Publication Number Publication Date
WO1988003391A1 true WO1988003391A1 (fr) 1988-05-19

Family

ID=20366206

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/SE1987/000517 WO1988003391A1 (fr) 1986-11-06 1987-11-05 Implant intra-alveolaire

Country Status (4)

Country Link
KR (1) KR890700015A (fr)
AU (1) AU8233787A (fr)
SE (1) SE459152B (fr)
WO (1) WO1988003391A1 (fr)

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4988298A (en) * 1989-01-23 1991-01-29 Implant Innovations, Inc. Precision abutment base
FR2653990A1 (fr) * 1989-11-09 1991-05-10 Propper Robert Implant endosseux a implanter dans un alveole frais de machoire humaine.
EP0522222A1 (fr) * 1991-07-09 1993-01-13 Harald E. Nordin Implant dentaire
DE4223153A1 (de) * 1991-07-15 1993-01-21 Straumann Inst Ag Zur befestigung eines zahnersatzes am kiefer dienendes implantat
US5281140A (en) * 1991-01-02 1994-01-25 Core-Vent Corporation Multi-part, multi-positionable abutment for use with dental implants
DE4232511A1 (de) * 1992-09-29 1994-03-31 Uwe Dr Blunck Verfahren und Vorrichtung zur Implantation künstlicher Zahnwurzeln
EP0670699A1 (fr) * 1992-11-27 1995-09-13 COATOAM, Garry, W. Procede d'implantation dentaire
WO1997031586A1 (fr) * 1996-03-01 1997-09-04 Robinson Dane Q Procede et appareil de croissance de maxillaire utilisant un systeme de support et de fixation de plaque de regeneration tissulaire guidee
WO1998034561A1 (fr) * 1997-02-10 1998-08-13 Jacques Vidalens Procede de realisation d'un implant de prothese dentaire et implants ainsi obtenus
US6287117B1 (en) 1999-04-22 2001-09-11 Sulzer Dental Inc. Endosseous dental implants including a healing screw and an optional implant extender
US6913666B1 (en) 1997-03-21 2005-07-05 Woodwelding Ag Process for anchoring connecting elements in a material with pores or cavities and connecting elements therefor
US6921264B2 (en) 2002-08-23 2005-07-26 Woodwelding Ag Implant to be implanted in bone tissue or in bone tissue supplemented with bone substitute material
WO2005079696A1 (fr) 2004-02-20 2005-09-01 Woodwelding Ag Implant a implanter dans un tissu osseux, procede de fabrication et d'implantation
US6955540B2 (en) 2002-08-23 2005-10-18 Woodwelding Ag Preparation for being fastened on a natural tooth part or tooth and corresponding fastening method
DE4107606B4 (de) * 1991-03-09 2006-02-02 Friadent Gmbh Vorrichtung zur Sicherung der Knochenanlagerung an enossale Implantate
US7160405B2 (en) 1999-06-18 2007-01-09 Woodwelding Ag Integral joining
WO2007038817A1 (fr) 2005-10-05 2007-04-12 Wolfgang Pirker Implant dentaire
US7335205B2 (en) 2001-03-02 2008-02-26 Woodwelding Ag Implants, device and method for joining tissue parts
US7491058B2 (en) 2002-06-27 2009-02-17 Nobel Biocare Services Ag Dental implant spacer and adapter assembly
US7922488B2 (en) 1998-02-26 2011-04-12 Institut Straumann Ag Method and apparatus for isolating a work object

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE468500B (sv) * 1990-01-18 1993-02-01 Nobelpharma Ab Laekhaetta foer ett dentalt implantat

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3576074A (en) * 1968-07-15 1971-04-27 Sidney D Gault Dental endosseous root implant
DE2729969A1 (de) * 1976-07-09 1978-01-12 Silvano Michieli Zahnimplantat
US4178686A (en) * 1977-07-23 1979-12-18 Guido Reiss Artificial tooth with implantable tooth root
EP0053903A1 (fr) * 1980-12-08 1982-06-16 Medical Biological Sciences, Inc. Prothèse buccale et son procédé de fabrication

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3576074A (en) * 1968-07-15 1971-04-27 Sidney D Gault Dental endosseous root implant
DE2729969A1 (de) * 1976-07-09 1978-01-12 Silvano Michieli Zahnimplantat
US4178686A (en) * 1977-07-23 1979-12-18 Guido Reiss Artificial tooth with implantable tooth root
EP0053903A1 (fr) * 1980-12-08 1982-06-16 Medical Biological Sciences, Inc. Prothèse buccale et son procédé de fabrication

Cited By (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4988298A (en) * 1989-01-23 1991-01-29 Implant Innovations, Inc. Precision abutment base
FR2653990A1 (fr) * 1989-11-09 1991-05-10 Propper Robert Implant endosseux a implanter dans un alveole frais de machoire humaine.
GB2237744A (en) * 1989-11-09 1991-05-15 Robert Howard Propper Oral endosteal implants and a process for preparing and implanting them
US5281140A (en) * 1991-01-02 1994-01-25 Core-Vent Corporation Multi-part, multi-positionable abutment for use with dental implants
DE4107606B4 (de) * 1991-03-09 2006-02-02 Friadent Gmbh Vorrichtung zur Sicherung der Knochenanlagerung an enossale Implantate
EP0522222A1 (fr) * 1991-07-09 1993-01-13 Harald E. Nordin Implant dentaire
DE4223153A1 (de) * 1991-07-15 1993-01-21 Straumann Inst Ag Zur befestigung eines zahnersatzes am kiefer dienendes implantat
DE4232511A1 (de) * 1992-09-29 1994-03-31 Uwe Dr Blunck Verfahren und Vorrichtung zur Implantation künstlicher Zahnwurzeln
EP0670699A4 (fr) * 1992-11-27 1995-12-27 Garry W Coatoam Procede d'implantation dentaire.
EP0670699A1 (fr) * 1992-11-27 1995-09-13 COATOAM, Garry, W. Procede d'implantation dentaire
WO1997031586A1 (fr) * 1996-03-01 1997-09-04 Robinson Dane Q Procede et appareil de croissance de maxillaire utilisant un systeme de support et de fixation de plaque de regeneration tissulaire guidee
US5839899A (en) * 1996-03-01 1998-11-24 Robinson; Dane Q. Method and apparatus for growing jaw bone utilizing a guided-tissue regeneration plate support and fixation system
WO1998034561A1 (fr) * 1997-02-10 1998-08-13 Jacques Vidalens Procede de realisation d'un implant de prothese dentaire et implants ainsi obtenus
FR2759283A1 (fr) * 1997-02-10 1998-08-14 Jacques Vidalens Procede de realisation d'un implant de prothese dentaire et implant ainsi obtenu
US6913666B1 (en) 1997-03-21 2005-07-05 Woodwelding Ag Process for anchoring connecting elements in a material with pores or cavities and connecting elements therefor
US7922488B2 (en) 1998-02-26 2011-04-12 Institut Straumann Ag Method and apparatus for isolating a work object
US6287117B1 (en) 1999-04-22 2001-09-11 Sulzer Dental Inc. Endosseous dental implants including a healing screw and an optional implant extender
US7815409B2 (en) 1999-06-18 2010-10-19 Woodwelding Ag Integral joining
US7160405B2 (en) 1999-06-18 2007-01-09 Woodwelding Ag Integral joining
US9216083B2 (en) 2001-03-02 2015-12-22 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US9924988B2 (en) 2001-03-02 2018-03-27 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US7335205B2 (en) 2001-03-02 2008-02-26 Woodwelding Ag Implants, device and method for joining tissue parts
US9615872B2 (en) 2001-03-02 2017-04-11 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US8932337B2 (en) 2001-03-02 2015-01-13 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US8945192B2 (en) 2001-03-02 2015-02-03 Woodwelding Ag Implants for creating connections to tissue parts, in particular to skeletal parts, as well as device and method for implantation thereof
US7491058B2 (en) 2002-06-27 2009-02-17 Nobel Biocare Services Ag Dental implant spacer and adapter assembly
US7008226B2 (en) 2002-08-23 2006-03-07 Woodwelding Ag Implant, in particular a dental implant
US6955540B2 (en) 2002-08-23 2005-10-18 Woodwelding Ag Preparation for being fastened on a natural tooth part or tooth and corresponding fastening method
US6921264B2 (en) 2002-08-23 2005-07-26 Woodwelding Ag Implant to be implanted in bone tissue or in bone tissue supplemented with bone substitute material
WO2005079696A1 (fr) 2004-02-20 2005-09-01 Woodwelding Ag Implant a implanter dans un tissu osseux, procede de fabrication et d'implantation
US8287279B2 (en) 2005-10-05 2012-10-16 Wolfgang Pirker Tooth implant
WO2007038817A1 (fr) 2005-10-05 2007-04-12 Wolfgang Pirker Implant dentaire

Also Published As

Publication number Publication date
SE8604757L (sv) 1988-05-07
SE459152B (sv) 1989-06-12
SE8604757D0 (sv) 1986-11-06
KR890700015A (ko) 1989-03-02
AU8233787A (en) 1988-06-01

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