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目前商用快速成型机的制备工艺参数与原料都受到限制,不易制作骨骼模型,为克服上述缺点,使用自行开发的快速成型机制作骨骼模型.本研究主要是以羟基磷灰石、二氧化硅溶胶和少许分散剂混合之浆料为原料,经由适当的调整加工参数后,可成型生物陶瓷生胚.生胚试片分别在1200℃、1300℃、1400℃烧结,并对其体积收缩率、表面粗糙度和抗压强度进行分析.经由培养MG63类骨母细胞,研究骨骼模型表面的细胞活性.结果显示,生胚在1200℃烧结时性能较佳,抗压强度明显上升,表面粗糙度Ra为12.04 μm,较适合MG63类骨母細胞生长.

参考文献

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