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首页> 外文期刊>Biomaterials >Macroporous biphasic calcium phosphate ceramics: influence of macropore diameter and macroporosity percentage on bone ingrowth.
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Macroporous biphasic calcium phosphate ceramics: influence of macropore diameter and macroporosity percentage on bone ingrowth.

机译：大孔双相磷酸钙陶瓷：大孔直径和大孔百分率对骨长入的影响。

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摘要

A total of 60 cylindrical 6 x 6 mm samples of a macroporous biphasic calcium phosphate (MBCP) ceramic were implanted into a distal femoral site in 30 rabbits. These samples represented six kinds of implants with two different macropore diameters and three different macroporosity percentages. Analysis of backscattered electron images of implant surfaces analysed by a factorial design method showed that implants with 565 microm pore size provided more abundant newly formed bone both in peripheral and deep pores than those with 300 microm pore size. No significant differences were found between implants with 40 and 50% macroporosity, suggesting that the influence of macropore size on bone ingrowth was greater than that of macroporosity percentage. MBCP implants with 565 microm pore diameter and 40% macroporosity represented the optimal association for homogeneous and abundant bone ingrowth.
机译：将总共​​60个圆柱形的6 x 6 mm大孔双相磷酸钙（MBCP）陶瓷样品植入30只兔子的股骨远端部位。这些样品代表具有两种不同大孔直径和三种不同大孔隙​​率百分比的六种植入物。通过析因设计方法对植入物表面的反向散射电子图像进行分析，结果表明，与300微米孔径的植入物相比，孔径为565微米的植入物在周围和深孔中均提供了更加丰富的新形成的骨骼。大孔率在40％和50％之间的植入物之间没有发现显着差异，这表明大孔尺寸对骨向内生长的影响大于大孔率百分比。具有565微米孔径和40％大孔率的MBCP植入物代表了均匀且丰富的骨向内生长的最佳组合。

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