mandibular defect的用法和样例：
例句
- The experimental study for BMG and CH composite in repairing mandibular defects.
骨基质明胶和壳聚糖复合修复下颌骨缺损的实验研究。 - This article is mainly about the retrospect of the investigation of methods to restore mandibular symphyseal defects and the application of these methods.
本文主要回顾了进几年来一些修复下颌骨缺损方法的研究和应用的情况。
