cast metal post-core 金属铸造桩核
Cast metal post and core 金属铸造桩核
Traditional cast metal post 传统铸造金属桩核
metal cast post core 铸造金属桩核
Objective: Comparing of clinic using of prefabricated screw and cast metal post-and-core of posterior tooth.
目的：比较后牙成品螺纹桩核与铸造桩核的临床应用比较。
There was no statistical significance (P> 0.05) of the fracture rate of post-core between fiber posts(1) and cast metal posts(1).
纤维桩组与铸造金属桩组桩核折断各1例，差异无统计学意义（P>0.05）；
Methods: Comparing of strength and retention of prefabricated screw and cast metal post-and-core of posterior tooth after 5 years using.
方法：通过5年的使用观察，比较成品螺纹桩核与铸造桩核固位力和核的强度。
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