IN-VIVO BEHAVIOR OF 3 CALCIUM-PHOSPHATE CEMENTS AND A MAGNESIUM PHOSPHATE CEMENT

被引：60

作者：

DRIESSENS, FCM

BOLTONG, MG

ZAPATERO, MI

VERBEECK, RMH

BONFIELD, W

BERMUDEZ, O

FERNANDEZ, E

GINEBRA, MP

PLANELL, JA

机构：

[1] CTR IND SANTIAGO,CTR INVEST & DESARROLLA APLICADO,E-08130 ST PERPETUA MOGOD,SPAIN

[2] STATE UNIV GHENT,ANALYT CHEM LAB,B-9000 GHENT,BELGIUM

[3] UNIV LONDON QUEEN MARY & WESTFIELD COLL,INTERDISCIPLINARY RES CTR BIOMED MAT,LONDON E1 4NS,ENGLAND

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN MEDICINE | 1995年 / 6卷 / 05期

关键词：

D O I：

10.1007/BF00120270

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Three types of calcium phosphate cements and one magnesium phosphate cement were implanted subcutaneously in rats under exclusion of direct cellular contact. Retrieval times were either 1, 2, 4 or 8 weeks. Before and after retrieval the compressive strength, the diametral tensile strength, the quantitative chemical composition, the qualitative phase composition, the FTIR spectrum and the microstructure were determined. The three calcium phosphate cements maintained their strength during implantation. The phase DCPD was completely transformed into a Na- and CO3-containing apatite, the phases DCP and CDHA only partially. It could not be ruled out that OCP is also transformed into a bone-mineral-like apatite to a certain extent. That this latter process occurs much faster during the turn-over of living bone, is probably due to the very small crystal size of the OCP particles in bone.

引用

页码：272 / 278

页数：7

共 41 条

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