retention form meaning in Chinese

固位形

Objective probe into method and clinical significance of casting cavity - retention form post - core crown in restoring residual crown and root of the short molar
摘要目的：探讨短磨牙残根残冠洞固位形铸桩核冠修复的方法和临床意义。
Methods one hundred and twenty residual crowns and roots of short molars were restored with casting cavity - retention form post - core crown and followed up for 2 ~ 5 years to observe the clinical effect
方法：对120颗短磨牙残根残冠应用洞固位形铸造桩核冠修复，对其临床效果随访2 ~ 5年。
Conclusion casting post - core crown with cavity retention form is a convenient technique which can restore the residual crown and root of the short molars effectively and optimize the retention form as well
结论：洞固位形铸造桩核冠修复短磨牙残根残冠既方便，简洁，又解决修复体固位困难问题。