我科1977年通过动物实验证明纯钛适合作为下颌骨整形材料。自1978年开始将纯钛人工颌骨用于临床,迄今共整复下颌骨缺损53例,效果满意,现报告如下: 1 材料和方法 1.1 一般资料 另32例,女21例。年龄18～61岁,其中45岁以下者43例。下颌骨缺损原因:良性肿瘤截骨40例,外 Our department through animal experiments in 1977 proved that pure titanium suitable as a mandibular plastic material. Since 1978, pure titanium artificial jaw for clinical use, so far a total of 53 cases of mandibular defect reconstruction, the results are satisfactory, are as follows: 1 Materials and Methods 1.1 General Information Another 32 cases, 21 females. Aged 18 to 61 years, of whom 43 were under 45 years of age. Mandibular defect causes: benign tumor osteotomy in 40 cases