Bone cement made of high molecular weight PMMA resin with bioactive ceramic filler showed higher bone-bonding strength than that of bis-GMA resin and bioactive ceramic fillers

被引：12

作者：

Nakamura, T ^{[1
]}

Kato, H

Okada, Y

Shinzato, S

Kawanabe, K

Tamura, J

Kokubo, T

机构：

[1] Kyoto Univ, Grad Sch Med, Dept Orthopaed Surg, Sakyo Ku, Kyoto 6068507, Japan

[2] Kyoto Univ, Grad Sch Engn, Dept Chem Mat, Sakyo Ku, Kyoto 6068507, Japan

来源：

BIOCERAMICS | 2000年 / 192-1卷

关键词：

animal model; bioactive glass; bone bonding; bone cements; methylmethacrylate; PMMA;

D O I：

10.4028/www.scientific.net/KEM.192-195.661

中图分类号：

TQ174 [陶瓷工业]; TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

New bioacive bone cement (GBC) was made of PMMA spherical (MW. 270,000), MMA monomer and bioactive glass beads. The cement was possible to be handled as well as conventional PMMA bone cement. Its bone-bonding ability was investigated using segmental bone defect model of a mature rabbit. The bonding strengths of GBC at 8, 12 and 25 weeks after operation were 6.6, 13.6 and 21.4 kg, respectively. Those of CMW-1 cement were 3.2, 2.7 and 3.28 kg. GBC showed the similar bone bonding strength as the cement of Bis-GMA Resin and bioactive ceramic fillers (BABC) did until 12 weeks. However, GBC showed significantly higher bonding strength at 25 weeks after operation than BABC did. These results suggest GBC may have a potency to be noble bone cement in future.

引用

页码：661 / 664

页数：4

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