DE2008010C3 - Process for the manufacture of dental implants - Google Patents
Process for the manufacture of dental implantsInfo
- Publication number
- DE2008010C3 DE2008010C3 DE19702008010 DE2008010A DE2008010C3 DE 2008010 C3 DE2008010 C3 DE 2008010C3 DE 19702008010 DE19702008010 DE 19702008010 DE 2008010 A DE2008010 A DE 2008010A DE 2008010 C3 DE2008010 C3 DE 2008010C3
- Authority
- DE
- Germany
- Prior art keywords
- dental implants
- manufacture
- coating
- phosphate
- eutectoid
- 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.)
- Expired
Links
- 238000004519 manufacturing process Methods 0.000 title claims description 7
- 238000000034 method Methods 0.000 title claims description 6
- 239000004053 dental implant Substances 0.000 title claims description 4
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical group [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 claims description 9
- 239000001506 calcium phosphate Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 235000019731 tricalcium phosphate Nutrition 0.000 claims description 5
- 229940078499 tricalcium phosphate Drugs 0.000 claims description 5
- 229910000391 tricalcium phosphate Inorganic materials 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- GBNXLQPMFAUCOI-UHFFFAOYSA-H tetracalcium;oxygen(2-);diphosphate Chemical group [O-2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O GBNXLQPMFAUCOI-UHFFFAOYSA-H 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 6
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 6
- 210000000988 bone and bone Anatomy 0.000 description 5
- 239000000374 eutectic mixture Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000007943 implant Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229910019142 PO4 Inorganic materials 0.000 description 1
- 244000305961 Phyllogeiton discolor Species 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 235000011010 calcium phosphates Nutrition 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 210000002808 connective tissue Anatomy 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- LNEPOXFFQSENCJ-UHFFFAOYSA-N haloperidol Chemical compound C1CC(O)(C=2C=CC(Cl)=CC=2)CCN1CCCC(=O)C1=CC=C(F)C=C1 LNEPOXFFQSENCJ-UHFFFAOYSA-N 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000005470 impregnation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 239000010452 phosphate Substances 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 235000021317 phosphate Nutrition 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
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
- A61C8/0012—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 material or composition, e.g. ceramics, surface layer, metal alloy
-
- 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
- A61C8/0012—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 material or composition, e.g. ceramics, surface layer, metal alloy
- A61C8/0013—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 material or composition, e.g. ceramics, surface layer, metal alloy with a surface layer, coating
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/30767—Special external or bone-contacting surface, e.g. coating for improving bone ingrowth
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L27/00—Materials for grafts or prostheses or for coating grafts or prostheses
- A61L27/28—Materials for coating prostheses
- A61L27/30—Inorganic materials
- A61L27/32—Phosphorus-containing materials, e.g. apatite
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00389—The prosthesis being coated or covered with a particular material
- A61F2310/00592—Coating or prosthesis-covering structure made of ceramics or of ceramic-like compounds
- A61F2310/00796—Coating or prosthesis-covering structure made of a phosphorus-containing compound, e.g. hydroxy(l)apatite
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Oral & Maxillofacial Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Epidemiology (AREA)
- Ceramic Engineering (AREA)
- Transplantation (AREA)
- Dentistry (AREA)
- Chemical & Material Sciences (AREA)
- Cardiology (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Heart & Thoracic Surgery (AREA)
- Inorganic Chemistry (AREA)
- Dermatology (AREA)
- Medicinal Chemistry (AREA)
- Dental Prosthetics (AREA)
- Materials For Medical Uses (AREA)
Description
Die Erfindung bezieht sich auf die Herstellung von Den'.alimplantaten.The invention relates to the manufacture of Den'.alimplantaten.
Es ist bekannt. Knochenteile von einem Körperteil in einen anderen Körperteil zu transplantieren. Solche Transplantationen werden schon seil längerer Zeit mit mehr oder weniger gutem Erfolg durchgeführt. In jedem Falle sind aber bei solchen Transplantationen Donor und Akzeptor ein und dieselbe PersonIt is known. Parts of bones from a part of the body in transplant another part of the body. Such transplants have been around for a long time carried out more or less good success. In any case, such transplants are donors and acceptor one and the same person
Es isi ferner eine künstliche Zahnwurzel bekannt (AT-PS I 52 1)8) bei der ein innerer Kern aus unangreifbarem Metall, z. B. Gold, von einer äußeren Schicht eines dem Kieferknochen verwandten Materials, zweckmäßig Elfenbein, umgeben ist.An artificial tooth root is also known (AT-PS I 52 1) 8) in which an inner core is made unassailable metal, e.g. B. Gold, from an outer one Layer of a material related to the jawbone, suitably ivory, is surrounded.
Eine ähnliche Anregung läßt sich der DD-PS I2l>2l entnehmen, nach der eine für Implantation verwendbare Zahnwurzel aus Kunststoff an ihrer Außenseite Elfenbeinteilchen, z. B. Elfcnbeinpulvcr oder ähnliche knochenartige Teilchen aufweisen soll.A similar suggestion can be found in DD-PS I2 l > 2l, according to which a plastic tooth root that can be used for implantation has ivory particles on its outside, e.g. B. ivory powder or similar bone-like particles should have.
Zum Stande der Technik gehörl nach der AT-PS i 28 5b8 auch die Befestigung künstlicher Zähne im Kieferknochen, bei der eine Hülse mil nachträglich eingesetztem Zahn Verwendung findet, wobei die Hülsenaußenfläche mit einem Schraubengewinde zum Einschrauben in das Kieferbein verschen ist, welches zweckmäßig scharfkantig und gegen das Ende zu konisch verjüngt ist.According to AT-PS i 28 5b8, the prior art also includes the attachment of artificial teeth in the Jawbone in which a sleeve with a tooth inserted afterwards is used, whereby the Sleeve outer surface with a screw thread for screwing into the jawbone is given away, which is appropriately sharp-edged and tapered too conically towards the end.
Obwohl Operationen mit solchen künstlichen Zahnwurzeln zu recht guten Erfolgen fuhren, sind sie jedoch nie eine cchlc und dauerhafte Lösung.Although operations with such artificial tooth roots are quite successful, they are never a cchlc and permanent solution.
Es ist ferner bereits in Erwägung gezogen worden, aus Keramik bestehende Knochenersatzteile zu verwenden. Die erste Stufe hierfür war die VerwendungIt has also already been considered to use bone replacement parts made of ceramic. The first stage for this was use
reinen Aluminiumoxyds, von dem man annahm, daß es in seiner Elastizität den menschlichen Knochen im wesentlichen entspreche. Auch die Imprägnierung solcher Aluminiumoxydmaterialien mit Epoxydharzen ist bereits bekannt.pure aluminum oxide, which was assumed to have elasticity in the human bones in the essentially correspond. Also the impregnation of such aluminum oxide materials with epoxy resins is already known.
Man hat auch bereits versucht, aus Keramikmateriai bestehende Zähne einzupflanzen.Attempts have also been made to implant teeth made of ceramic material.
Es ist ferner bekannt, daß der Hauptbestandteil des mineralischen Knochenteils durch Hydroxylapatit (Ca5(PO4)J ■ OH) gebildet wird. Die Herstellung von Dentalimplantaten aus solchen Calciumphosphaten ist jedoch nicht erfolgreich, weil diese Ersatzteile niemals die Festigkeiiswene erreichen, die es ermöglichen würden, sie gefahrlos in den menschlichen Körper einzusetzen.It is also known that the main component of the mineral bone part is formed by hydroxyapatite (Ca 5 (PO 4 ) J · OH). The manufacture of dental implants from such calcium phosphates is unsuccessful, however, because these replacement parts never achieve the strength that would enable them to be safely inserted into the human body.
Andererseits zeigt aber gerade Hydroxylapatit Eigenschaften, die ein gutes Anwachsen von M'iskel- und Bindegewebe an den Knochenersatzteil aussichtsreich erscheinen läßt.On the other hand, however, hydroxyapatite in particular shows properties that allow good growth of M'iskel and connective tissue on the bone replacement part appears promising.
Die Erfindung erstrebt also die Schaffung eines Verfahrens zur Herstellung von Dentaüm^lantaten, b·-':
denen die wertvollen Eigenschaften des Hydroxylapatits zur Wirkung kommen, trotzdem aber ein Implantat
entsteht, das auch die nötige Festigkeit aufweist.
r-> Zur optimalen Herstellung des Hydroxylapatits
benötigt man eine eutektische Mischung des Tricalciumphosphates und des Tetracalciumphosphates. Diese
Mischung kann man synthetisch herstellen oder vorzugsweise als Eutektoid die Knochenasche verwenden.
Dieses Eutektoid kann man durch einen Heißspritzprozeß auf eine mechanisch geeignete Unterlage
aufspritzen.The invention thus seeks to create a method for the production of Dentaüm ^ lantaten, b · - ': which the valuable properties of the hydroxyapatite come into effect, but nevertheless an implant is produced which also has the necessary strength.
r-> For the optimal production of the hydroxyapatite you need a eutectic mixture of the tricalcium phosphate and the tetracalcium phosphate. This mixture can be produced synthetically or, preferably, the bone ash can be used as a eutectoid. This eutectoid can be sprayed onto a mechanically suitable surface using a hot spraying process.
Das erfindungsgemäße Verfahren wird vorteilhaft so geführt, daß wenigstens der Überzug bei einer i"· Temperatur von etwa 10000C in einer Wasserdampfatmosphäre geglüht wird.The process according to the invention is advantageously carried out in such a way that at least the coating is annealed at a temperature of about 1000 ° C. in a steam atmosphere.
Durch die Erfindung werden also die hervorragenden Eigenschaften des Hydroxylapatits zur Herstellung von Dentalimplantaten ausgenutzt.The invention therefore makes the excellent properties of hydroxyapatite for the production of Dental implants exploited.
AusführungsbeispielEmbodiment
Eine eutektische Mischung aus Tricalciumphosphat und Tciracalciumphosphat wird bei etwa 15bO"C geschmolzen. Nach dem Abkühlen der Schmelze bildetA eutectic mixture of tricalcium phosphate and tciracalcium phosphate is found at about 150 "C melted. After cooling the melt forms
·""' sich ein Glas. Dieses Glas wird /ermahlen und mit Hilfe einer Flamm- oder Plasmas^rit/vorrichtung auf eine metallische oder nichtmetallische Unterlage, die im wesentlichen die Form des zu ersetzenden Zahnteils aufweist, aufgetragen.· "" 'Get a glass. This glass is / grind and with help a flame or plasma rit / device on a metallic or non-metallic base, which in the essentially has the shape of the tooth part to be replaced, applied.
r'° Anschließend wird wenigstens die aus diesem Überzug bestehende Oberfläche bei etwa 1000"C in einer wasserdampfhaltigcn Atmosphäre geglüht und damit in Hydroxylapatit zurückgeführt. r '° is then annealed at least the existing surface of this coating at about 1000 "C in a wasserdampfhaltigcn atmosphere and thus returned to hydroxyapatite.
Anstelle eines so angesetzten cutektischcn Gemi-Instead of such a cutectical mixture
^' sches aus Tricalciumphosphat und Telracnlcitimphosphat kann auch entsprechend gemahlene Knochenasche Verwendung finden. ^ 'Sches of tricalcium phosphate and Telracnlcitimphosphat can find corresponding ground bone ash use.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702008010 DE2008010C3 (en) | 1970-02-20 | 1970-02-20 | Process for the manufacture of dental implants |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19702008010 DE2008010C3 (en) | 1970-02-20 | 1970-02-20 | Process for the manufacture of dental implants |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2008010A1 DE2008010A1 (en) | 1971-08-26 |
| DE2008010B2 DE2008010B2 (en) | 1979-10-18 |
| DE2008010C3 true DE2008010C3 (en) | 1980-07-10 |
Family
ID=5762920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19702008010 Expired DE2008010C3 (en) | 1970-02-20 | 1970-02-20 | Process for the manufacture of dental implants |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE2008010C3 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0324425A1 (en) * | 1988-01-11 | 1989-07-19 | Asahi Kogaku Kogyo Kabushiki Kaisha | Method for producing dental and medical bone prosthesis and bone prosthesis produced thereby |
Families Citing this family (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2315902A1 (en) * | 1975-07-01 | 1977-01-28 | Ceraver | Metal rod as prosthetic insert into a bone shank - has longitudinal depressions filled with material promoting growth of bone cells |
| DE2620056C2 (en) * | 1976-05-06 | 1984-08-16 | Albert Paris Saragossi | Process for the manufacture of dentures |
| DE2620890C3 (en) * | 1976-05-12 | 1987-09-10 | Battelle-Institut eV, 6000 Frankfurt | Plastic mass based on sintered calcium phosphates for implantable bone replacement, bone composite or prosthesis anchoring materials |
| DE2620907C3 (en) * | 1976-05-12 | 1984-09-20 | Battelle-Institut E.V., 6000 Frankfurt | Anchoring for highly stressed endoprostheses |
| JPS5946911B2 (en) * | 1976-12-16 | 1984-11-15 | 住友化学工業株式会社 | implant |
| FR2383656A1 (en) * | 1977-03-16 | 1978-10-13 | Ceraver | Implantable titanium (alloy) peg used as bone joint prosthesis - has titania layer to prevent corrosion and a glass which is biologically compatible with tissue and promotes bone growth |
| JPS53144194A (en) * | 1977-05-20 | 1978-12-15 | Kureha Chemical Ind Co Ltd | Compound implanted material and making method thereof |
| DE2733394C3 (en) * | 1977-07-23 | 1984-10-25 | Riess, Guido, Prof. Dr.med.dent., 8100 Garmisch-Partenkirchen | Artificial tooth with implantable tooth root |
| FR2410995A1 (en) * | 1977-12-09 | 1979-07-06 | Riess Guido | DENTAL IMPLANT, AND CORRESPONDING MILLING DEVICE |
| DE2759214A1 (en) * | 1977-12-31 | 1979-07-05 | Scheicher Hans | METHOD OF MANUFACTURING IMPLANTS |
| DE2827529C2 (en) * | 1978-06-23 | 1982-09-30 | Battelle-Institut E.V., 6000 Frankfurt | Implantable bone replacement material consisting of a metal core and bioactive, sintered calcium phosphate ceramic particles and a process for its production |
| DE2840064C2 (en) * | 1978-09-14 | 1989-09-21 | Hans Dr.med. Dr.med.dent. 8000 München Scheicher | Process for the production of bone contact layers |
| DE2928007A1 (en) * | 1979-07-11 | 1981-01-15 | Riess Guido Dr | BONE IMPLANT BODY FOR PROSTHESES AND BONE CONNECTORS AND METHOD FOR THE PRODUCTION THEREOF |
| FR2484246A1 (en) * | 1980-06-17 | 1981-12-18 | Europ Propulsion | PROCESS FOR PRODUCING BIOACTIVE COATINGS ON BONE PROSTHESES, AND PROSTHESES THUS OBTAINED |
| USRE33161E (en) * | 1982-04-29 | 1990-02-06 | American Dental Association Health Foundation | Combinations of sparingly soluble calcium phosphates in slurries and pastes as mineralizers and cements |
| USRE33221E (en) * | 1982-04-29 | 1990-05-22 | American Dental Association Health Foundation | Dental restorative cement pastes |
| FR2548011B2 (en) * | 1983-07-01 | 1985-12-13 | Europ Propulsion | PROCESS FOR MAKING BIOACTIVE DEPOSITS OF CALCIUM PHOSPHATES AND PRODUCTS OBTAINED |
| CH661653A5 (en) * | 1984-01-11 | 1987-08-14 | Mathys Robert Co | PLASTIC SLEEVE. |
| US4863475A (en) * | 1984-08-31 | 1989-09-05 | Zimmer, Inc. | Implant and method for production thereof |
| DE3711426A1 (en) * | 1987-04-04 | 1988-10-13 | Mtu Muenchen Gmbh | IMPLANT WITH BIOACTIVE COATING |
| IL93251A0 (en) * | 1989-02-06 | 1990-11-29 | Pfizer Hospital Prod | Method and apparatus for improvement of bone healing |
| US5522893A (en) * | 1993-03-12 | 1996-06-04 | American Dental Association Health Foundation | Calcium phosphate hydroxyapatite precursor and methods for making and using the same |
-
1970
- 1970-02-20 DE DE19702008010 patent/DE2008010C3/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0324425A1 (en) * | 1988-01-11 | 1989-07-19 | Asahi Kogaku Kogyo Kabushiki Kaisha | Method for producing dental and medical bone prosthesis and bone prosthesis produced thereby |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2008010A1 (en) | 1971-08-26 |
| DE2008010B2 (en) | 1979-10-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OGA | New person/name/address of the applicant | ||
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |