Objective: To observe the difference of mandibular bone density in aged normal and osteoporotic people.
目的:观察老年正常人与老年骨质疏松癥患者下颌骨骨密度的差别。
Objective: To inquire into the relationship between the mandibular bone mineral density and vertical craniofacial morphology.
目的:探索不同垂直面型与下颌骨骨密度之间的关系。
Method: Slices of surgically resected human mandibular bone containing healthy teeth received fibers special staining, and then were measured by image analysis methods.
方法:选取外科切除含健康牙的人下颌骨块,进行纤维特殊染色,用体视框和图象分析法测量。