Objective To study the effects of expansion fashion and expansion quantity on retention of cement_expanded composition screw post (CECSP).

目的研究膨胀方式和膨胀量对粘固膨胀复合型螺纹桩固位力的影响。

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AimTo evaluate the clinical effect of the restoration using prefabricated screw post, light-cured composite resin core and porcelain-fused-to-metal crown for residue crown and residue root.

目的总结螺纹根管钉、光固化树脂核、金属烤瓷全冠修复残根残冠的临床经验。

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If you were a tiny screw, could you always stand on your own post?

如果你是一颗小小的螺丝钉，你能永远站在自己的岗位？

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Whitten was named to the post in October 2010, months after two big privacy screw-ups by the company: Wi-Spy and Buzz.

FORBES: Google's Privacy Director Is Stepping Down