FR2413343A1 - Whitlockite ceramique et son utilisation en prothese osseuse - Google Patents
Whitlockite ceramique et son utilisation en prothese osseuseInfo
- Publication number
- FR2413343A1 FR2413343A1 FR7835984A FR7835984A FR2413343A1 FR 2413343 A1 FR2413343 A1 FR 2413343A1 FR 7835984 A FR7835984 A FR 7835984A FR 7835984 A FR7835984 A FR 7835984A FR 2413343 A1 FR2413343 A1 FR 2413343A1
- Authority
- FR
- France
- Prior art keywords
- ceramic
- whitlockite
- porous
- bone prosthesis
- polycrystalline ceramic
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B25/00—Phosphorus; Compounds thereof
- C01B25/16—Oxyacids of phosphorus; Salts thereof
- C01B25/26—Phosphates
- C01B25/32—Phosphates of magnesium, calcium, strontium, or barium
- C01B25/325—Preparation by double decomposition
-
- 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
- A61L27/02—Inorganic materials
- A61L27/12—Phosphorus-containing materials, e.g. apatite
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
- C04B35/447—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on phosphates, e.g. hydroxyapatite
-
- 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
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00179—Ceramics or ceramic-like structures
- A61F2310/00293—Ceramics or ceramic-like structures containing a phosphorus-containing compound, e.g. apatite
-
- 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
- A61L2430/00—Materials or treatment for tissue regeneration
- A61L2430/02—Materials or treatment for tissue regeneration for reconstruction of bones; weight-bearing implants
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Public Health (AREA)
- Manufacturing & Machinery (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Transplantation (AREA)
- Dermatology (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Materials For Medical Uses (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Ceramic Products (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Dental Preparations (AREA)
- Catalysts (AREA)
Abstract
L'INVENTION CONCERNE UNE NOUVELLE WHITLOCKITE CERAMIQUE POLYCRISTALLINE SOUS FORME POREUSE OU NON, EN PARTICULIER SOUS FORME CERAMIQUE POLYCRISTALLINE TRANSLUCIDE, ISOTROPE ET PRATIQUEMENT SANS PORES, CETTE DERNIERE CERAMIQUE CONSISTANT EN WHITLOCKITE CONTENANT DANS SON RESEAU CRISTALLIN ENVIRON 0,1 A 2,2 EN POIDS D'ION SULFATE ET AYANT UNE DIMENSION MOYENNE DE CRISTALLITE D'ENVIRON 0,3 A 3 MICRONS ET UNE DENSITE SUPERIEURE A ENVIRON 98 DE LA DENSITE THEORIQUE DE LA B-WHITLOCKITE. LA PREPARATION DESDITES CERAMIQUES AINSI QUE DE WHITLOCKITE NON CERAMIQUE PROCHE EST EGALEMENT DECRITE. LES PRODUITS CERAMIQUES SONT UTILISABLES COMME MATERIAUX D'IMPLANTS BIOLOGIQUES, EN PARTICULIER COMME PROTHESES OSSEUSES ARTIFICIELLES RESORBABLES.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/863,721 US4195366A (en) | 1977-12-23 | 1977-12-23 | Whitlockite ceramic |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2413343A1 true FR2413343A1 (fr) | 1979-07-27 |
Family
ID=25341643
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7835984A Withdrawn FR2413343A1 (fr) | 1977-12-23 | 1978-12-21 | Whitlockite ceramique et son utilisation en prothese osseuse |
Country Status (23)
Country | Link |
---|---|
US (1) | US4195366A (fr) |
JP (1) | JPS5494512A (fr) |
AR (1) | AR219358A1 (fr) |
AU (1) | AU521997B2 (fr) |
BE (1) | BE872887A (fr) |
BR (1) | BR7808344A (fr) |
CA (1) | CA1120961A (fr) |
DE (1) | DE2855368A1 (fr) |
DK (1) | DK572178A (fr) |
ES (1) | ES476173A1 (fr) |
FI (1) | FI783902A (fr) |
FR (1) | FR2413343A1 (fr) |
GB (1) | GB2010792B (fr) |
IL (2) | IL56141A (fr) |
IT (1) | IT1102349B (fr) |
LU (1) | LU80689A1 (fr) |
NL (1) | NL7812305A (fr) |
NO (3) | NO147873C (fr) |
NZ (1) | NZ189095A (fr) |
PH (1) | PH14336A (fr) |
PT (1) | PT68927A (fr) |
SE (1) | SE7813143L (fr) |
ZA (1) | ZA786889B (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2361437A1 (fr) * | 1976-08-10 | 1978-03-10 | Research Corp | Matiere permeable tridimensionnelle de surface etendue |
EP0022724A1 (fr) * | 1979-07-12 | 1981-01-21 | ANVAR Agence Nationale de Valorisation de la Recherche | Implant biodégradable utilisable comme pièce de prothèse osseuse |
Families Citing this family (51)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2843963A1 (de) * | 1978-10-09 | 1980-04-24 | Merck Patent Gmbh | Im koerper resorbierbare geformte masse auf basis von kollagen und ihre verwendung in der medizin |
DE2807132C2 (de) * | 1978-02-20 | 1983-11-03 | Battelle-Institut E.V., 6000 Frankfurt | Implantierbares Pharmaka-Depot |
DE2827529C2 (de) * | 1978-06-23 | 1982-09-30 | Battelle-Institut E.V., 6000 Frankfurt | Implantierbarer Knochenersatzwerkstoff bestehend aus einem Metallkern und aus bioaktiven, gesinterten Calciumphosphat-Keramik-Partikeln und ein Verfahren zu seiner Herstellung |
US4274879A (en) * | 1979-03-05 | 1981-06-23 | Tate & Lyle Limited | Synthetic bone ash |
US4312821A (en) * | 1979-04-30 | 1982-01-26 | Sterling Drug Inc. | Ceramic forming process |
DE8105177U1 (de) * | 1981-02-25 | 1984-01-12 | Schuett Und Grundei Gmbh Medizintechnische Fabrikation, 2400 Luebeck | Implantat als Ersatz für spongiöse Knochen |
US4551135A (en) * | 1981-06-22 | 1985-11-05 | Sterling Drug Inc. | Syringe for extrusion of semi-plastic material |
US4820306A (en) * | 1981-06-22 | 1989-04-11 | Sterling Drug Inc. | Method for augmentation of the alveolar ridge |
DE3301122A1 (de) * | 1983-01-14 | 1984-07-19 | Johannes-Friedrich Dr. 2000 Hamburg Osborn | Keramischer knochenersatzwerkstoff und verfahren zu seiner herstellung |
CA1247960A (fr) | 1983-03-24 | 1989-01-03 | Hideki Aoki | Implant transcutane |
JPS6021763A (ja) * | 1983-07-15 | 1985-02-04 | ティーディーケイ株式会社 | 人工骨材料 |
US4612923A (en) * | 1983-12-01 | 1986-09-23 | Ethicon, Inc. | Glass-filled, absorbable surgical devices |
DD247888A1 (de) * | 1984-01-24 | 1987-07-22 | Univ Schiller Jena | Phosphatglaskeramik |
US4619655A (en) * | 1984-01-26 | 1986-10-28 | University Of North Carolina | Plaster of Paris as a bioresorbable scaffold in implants for bone repair |
LU85727A1 (fr) * | 1985-01-11 | 1986-08-04 | Professeur Andre Vincent | Prothese articulaire et outil destine au montage de celle-di |
US4722870A (en) * | 1985-01-22 | 1988-02-02 | Interpore International | Metal-ceramic composite material useful for implant devices |
JPS6222642A (ja) * | 1985-07-24 | 1987-01-30 | 欧和通商株式会社 | 骨弁固定用スペ−サ− |
JPS63103809A (ja) * | 1986-10-22 | 1988-05-09 | Agency Of Ind Science & Technol | 球状リン酸カルシウム系多孔体の製造方法 |
GB2206338B (en) * | 1987-06-30 | 1992-03-04 | Sangi Kk | Fine filler dentifrice |
US5171720A (en) * | 1988-09-20 | 1992-12-15 | Asahi Kogaku Kogyo K.K. | Porous ceramic sinter and process for producing same |
DE4113021C2 (de) * | 1991-04-20 | 1995-01-26 | Carus Carl Gustav | Resorbierbare Phosphatgläser und resorbierbare Phosphatglaskeramiken, Verfahren zu ihrer Herstellung und Verwendung |
US5571193A (en) * | 1992-03-12 | 1996-11-05 | Kampner; Stanley L. | Implant with reinforced resorbable stem |
SE504294C2 (sv) * | 1993-10-01 | 1996-12-23 | Lucocer Ab | Implantat avsett att fixeras genom kontakt med nybildad benvävnad |
US5466259A (en) * | 1994-03-07 | 1995-11-14 | Durette; Jean-Francois | Orbital implant and method |
US6013591A (en) * | 1997-01-16 | 2000-01-11 | Massachusetts Institute Of Technology | Nanocrystalline apatites and composites, prostheses incorporating them, and method for their production |
US5888067A (en) * | 1997-08-15 | 1999-03-30 | Gibbs; David | Dental implant |
US7147666B1 (en) * | 1997-11-26 | 2006-12-12 | Bernard Francis Grisoni | Monolithic implants with openings |
AU766735B2 (en) | 1998-09-15 | 2003-10-23 | Isotis N.V. | Osteoinduction |
DE19940717A1 (de) * | 1999-08-26 | 2001-03-01 | Gerontocare Gmbh | Resorblerbares Knochenersatz- und Knochenaufbaumaterial |
DE60102683T2 (de) * | 2001-07-03 | 2005-03-24 | Agfa-Gevaert | Verbessertes Tintenstrahlempfangsmedium |
US7045105B2 (en) * | 2001-12-21 | 2006-05-16 | Lagow Richard J | Calcium phosphate bone replacement materials and methods of use thereof |
US20040002770A1 (en) * | 2002-06-28 | 2004-01-01 | King Richard S. | Polymer-bioceramic composite for orthopaedic applications and method of manufacture thereof |
US6862963B2 (en) * | 2002-11-08 | 2005-03-08 | G. Lyle Habermehl | Split nosepiece for driving collated screws |
US20040262809A1 (en) * | 2003-06-30 | 2004-12-30 | Smith Todd S. | Crosslinked polymeric composite for orthopaedic implants |
US7384430B2 (en) * | 2004-06-30 | 2008-06-10 | Depuy Products, Inc. | Low crystalline polymeric material for orthopaedic implants and an associated method |
US7896921B2 (en) * | 2004-12-30 | 2011-03-01 | Depuy Products, Inc. | Orthopaedic bearing and method for making the same |
US7883653B2 (en) | 2004-12-30 | 2011-02-08 | Depuy Products, Inc. | Method of making an implantable orthopaedic bearing |
US7879275B2 (en) * | 2004-12-30 | 2011-02-01 | Depuy Products, Inc. | Orthopaedic bearing and method for making the same |
WO2007027794A1 (fr) | 2005-08-30 | 2007-03-08 | Zimmer Dental, Inc. | Implant dentaire aux caractéristiques d’osséointégration améliorées |
US8814567B2 (en) * | 2005-05-26 | 2014-08-26 | Zimmer Dental, Inc. | Dental implant prosthetic device with improved osseointegration and esthetic features |
US8562346B2 (en) | 2005-08-30 | 2013-10-22 | Zimmer Dental, Inc. | Dental implant for a jaw with reduced bone volume and improved osseointegration features |
US20090061389A1 (en) * | 2007-08-30 | 2009-03-05 | Matthew Lomicka | Dental implant prosthetic device with improved osseointegration and shape for resisting rotation |
WO2009144636A1 (fr) * | 2008-05-30 | 2009-12-03 | Koninklijke Philips Electronics N.V. | Dispositif de liaison implantable |
US8231387B2 (en) | 2008-07-02 | 2012-07-31 | Zimmer, Inc. | Porous implant with non-porous threads |
US8899982B2 (en) | 2008-07-02 | 2014-12-02 | Zimmer Dental, Inc. | Implant with structure for securing a porous portion |
US8562348B2 (en) | 2008-07-02 | 2013-10-22 | Zimmer Dental, Inc. | Modular implant with secured porous portion |
US9095396B2 (en) | 2008-07-02 | 2015-08-04 | Zimmer Dental, Inc. | Porous implant with non-porous threads |
US20100114314A1 (en) | 2008-11-06 | 2010-05-06 | Matthew Lomicka | Expandable bone implant |
US9707058B2 (en) * | 2009-07-10 | 2017-07-18 | Zimmer Dental, Inc. | Patient-specific implants with improved osseointegration |
US8602782B2 (en) | 2009-11-24 | 2013-12-10 | Zimmer Dental, Inc. | Porous implant device with improved core |
KR101423982B1 (ko) * | 2012-08-10 | 2014-08-13 | 서울대학교산학협력단 | 휘트록카이트 및 그 제조 방법 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2223325A1 (fr) * | 1973-03-30 | 1974-10-25 | Research Corp | |
FR2283104A1 (fr) * | 1974-08-02 | 1976-03-26 | Sterling Drug Inc | Ceramique d'hydroxylapatite frittee polycristalline utilisable pour la reparation des dents |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3913229A (en) * | 1974-02-25 | 1975-10-21 | Miter Inc | Dental treatments |
US4097935A (en) * | 1976-07-21 | 1978-07-04 | Sterling Drug Inc. | Hydroxylapatite ceramic |
-
1977
- 1977-12-23 IL IL56141A patent/IL56141A/xx unknown
- 1977-12-23 US US05/863,721 patent/US4195366A/en not_active Expired - Lifetime
-
1978
- 1978-12-05 NZ NZ189095A patent/NZ189095A/xx unknown
- 1978-12-06 IL IL56141A patent/IL56141A0/xx unknown
- 1978-12-06 NO NO784110A patent/NO147873C/no unknown
- 1978-12-07 AU AU42305/78A patent/AU521997B2/en not_active Expired
- 1978-12-08 ZA ZA00786889A patent/ZA786889B/xx unknown
- 1978-12-11 PH PH21918A patent/PH14336A/en unknown
- 1978-12-13 CA CA000317887A patent/CA1120961A/fr not_active Expired
- 1978-12-15 AR AR274830A patent/AR219358A1/es active
- 1978-12-18 PT PT68927A patent/PT68927A/pt unknown
- 1978-12-19 NL NL7812305A patent/NL7812305A/xx not_active Application Discontinuation
- 1978-12-19 GB GB7849031A patent/GB2010792B/en not_active Expired
- 1978-12-19 FI FI783902A patent/FI783902A/fi not_active Application Discontinuation
- 1978-12-20 ES ES476173A patent/ES476173A1/es not_active Expired
- 1978-12-20 SE SE7813143A patent/SE7813143L/xx unknown
- 1978-12-20 LU LU80689A patent/LU80689A1/fr unknown
- 1978-12-20 BR BR7808344A patent/BR7808344A/pt unknown
- 1978-12-20 DK DK572178A patent/DK572178A/da not_active Application Discontinuation
- 1978-12-20 BE BE1009203A patent/BE872887A/fr unknown
- 1978-12-20 IT IT31069/78A patent/IT1102349B/it active
- 1978-12-21 JP JP15811678A patent/JPS5494512A/ja active Pending
- 1978-12-21 FR FR7835984A patent/FR2413343A1/fr not_active Withdrawn
- 1978-12-21 DE DE19782855368 patent/DE2855368A1/de not_active Withdrawn
-
1979
- 1979-08-23 NO NO792730A patent/NO792730L/no unknown
-
1981
- 1981-09-08 NO NO813042A patent/NO147909C/no unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2223325A1 (fr) * | 1973-03-30 | 1974-10-25 | Research Corp | |
FR2283104A1 (fr) * | 1974-08-02 | 1976-03-26 | Sterling Drug Inc | Ceramique d'hydroxylapatite frittee polycristalline utilisable pour la reparation des dents |
Non-Patent Citations (1)
Title |
---|
BULLETIN DE LA SOCIETE CHIMIQUE DE FRANCE, no. 8-9, 1970, pages 2923-4; * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2361437A1 (fr) * | 1976-08-10 | 1978-03-10 | Research Corp | Matiere permeable tridimensionnelle de surface etendue |
EP0022724A1 (fr) * | 1979-07-12 | 1981-01-21 | ANVAR Agence Nationale de Valorisation de la Recherche | Implant biodégradable utilisable comme pièce de prothèse osseuse |
Also Published As
Publication number | Publication date |
---|---|
ES476173A1 (es) | 1979-11-16 |
JPS5494512A (en) | 1979-07-26 |
NO147909C (no) | 1983-07-06 |
IT7831069A0 (it) | 1978-12-20 |
AU521997B2 (en) | 1982-05-13 |
NL7812305A (nl) | 1979-06-26 |
BE872887A (fr) | 1979-06-20 |
IT1102349B (it) | 1985-10-07 |
ZA786889B (en) | 1979-11-28 |
NO147909B (no) | 1983-03-28 |
NZ189095A (en) | 1980-09-12 |
BR7808344A (pt) | 1979-08-07 |
GB2010792B (en) | 1982-08-04 |
AR219358A1 (es) | 1980-08-15 |
US4195366A (en) | 1980-04-01 |
AU4230578A (en) | 1979-06-28 |
NO784110L (no) | 1979-06-26 |
NO813042L (no) | 1979-06-26 |
SE7813143L (sv) | 1979-06-24 |
GB2010792A (en) | 1979-07-04 |
LU80689A1 (fr) | 1979-07-20 |
PT68927A (en) | 1979-01-01 |
CA1120961A (fr) | 1982-03-30 |
NO792730L (no) | 1979-06-26 |
DK572178A (da) | 1979-06-24 |
NO147873B (no) | 1983-03-21 |
IL56141A0 (en) | 1979-03-12 |
PH14336A (en) | 1981-05-29 |
IL56141A (en) | 1981-10-30 |
NO147873C (no) | 1983-06-29 |
DE2855368A1 (de) | 1979-07-05 |
FI783902A (fi) | 1979-06-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR2413343A1 (fr) | Whitlockite ceramique et son utilisation en prothese osseuse | |
Chiroff et al. | Tissue ingrowth of replamineform implants | |
US3790507A (en) | Plastic bone composition | |
Osborn et al. | The material science of calcium phosphate ceramics | |
US4722870A (en) | Metal-ceramic composite material useful for implant devices | |
Van Noort | Titanium: the implant material of today | |
US3971134A (en) | Carbon dental implant with artificial periodontal ligament | |
Yuan et al. | Osteoinduction by calcium phosphate biomaterials | |
De Groot | Bioceramics consisting of calcium phosphate salts | |
US3609867A (en) | Plastic bone composition | |
US3855638A (en) | Surgical prosthetic device with porous metal coating | |
US3787900A (en) | Artificial bone or tooth prosthesis material | |
Nunes et al. | Long‐term ingrowth and apposition of porous hydroxylapatite implants | |
JP3457675B2 (ja) | 骨修復と置換のための生体適合材料と骨インプラント | |
US4051598A (en) | Dental implants | |
Klawitter et al. | An evaluation of porous alumina ceramic dental implants | |
GB1455360A (en) | Porous synthetic materials | |
JPH0156777B2 (fr) | ||
GB2354518A (en) | Porous ceramic bodies; bone cell growth and drug carriers | |
PT1196111E (pt) | Implante dentario composto por dois materiais biocompativeis | |
Ravaglioli et al. | Interface between hydroxyapatite and mandibular human bone tissue | |
IT1196100B (it) | Semi-impianto di materiale bioinerte | |
JP2543605B2 (ja) | 移植物およびその作成方法 | |
US4187608A (en) | Implantable teeth and method of making | |
Nelson et al. | Evaluation of new high-performance calcium polyphosphate bioceramics as bone graft materials |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |