Variation in biological properties of thin calcium phosphate films formed by e-beam evaporation

被引：0

作者：

Lee, IS ^{[1
]}

Park, JC

Kim, SR

Seo, WS

Cho, SB

Jung, YC

机构：

[1] Yonsei Univ, Atom Scale Surface Sci Res Ctr, Seoul 120749, South Korea

[2] Yonsei Univ, Coll Med, Dept Med Engn, Seoul 120749, South Korea

[3] Korea Inst Ceram Engn & Technol, Seoul 153023, South Korea

[4] Korea Inst Geosci & Mineral Resource, Taejon 305350, South Korea

[5] Catholic Univ Korea, Sch Med, Dept Dent, Suwon 442060, South Korea

来源：

BIOCERAMICS 15 | 2003年 / 240-2卷

关键词：

calcium phosphate; thin film; microtopographic; HRTEM; animal studies;

D O I：

10.4028/www.scientific.net/KEM.240-242.291

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：

Calcium phosphate films, which had the identical Ca/P ratio of 1.62 but different I crystallinity, were evaluated in vitro and in vivo. The dissolution rate in isotonic saline solution was 47.5 nm/hr for the as-deposited film, and decreased to 4.6 nm/hr upon heat treatment at 450degreesC for 1 hr. Removal torque force measurements after 6 weeks insertion of screw shaped implants in rabbit tibiae showed the value of 42.2 Ncm for the heat treated calcium phosphate coating layer, whereas it was 34.4 Ncm for the as-blasted Ti implant. The higher bone to implant contact measured by a microtomographic technique was responsible for the higher removal torque force.

引用

页码：291 / 294

页数：4

共 13 条

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