目的通过改进纯钛铸造方法提高钛铸件的精确性。
Objective To investigate the method of enhancing the accuracy of titanium crowns by improving the casting method.
目的探讨不同抛光方法对纯钛铸件表面的抛光效果。
Objective To evaluate the effects of different polishing methods on surface roughness of pure titanium castings.
结论：纯钛铸件的化学抛光法具有临床应用和推广价值。
Conclusion: The chemical polishing of titanium has a clinical applying value, and is worth of spread.
结论两种包埋料所致纯钛铸件表面结构的变化未导致其生物学性能方面的明显改变。
Conclusion Both investment materials cause no obvious changes on biological characteristics of pure titanium castings with the existing of surface structural changes.
目的了解石墨及磷酸盐包埋料所致纯钛铸件表面结构的改变对纯钛铸件生物学性能的影响。
Objective To investigate the effect of surface structural changes caused by graphite and phosphate investments on the biological characteristics of pure titanium castings.
结论自动研磨机可用于纯钛义齿铸件的研磨、抛光。
Conclusion Denture Auto Finishing Machine can be used for polishing of pure titanium castings.
结论自动研磨机可用于纯钛义齿铸件的研磨、抛光。
Conclusion Denture Auto Finishing Machine can be used for polishing of pure titanium castings.
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