口腔金属植入体包括金属种植体、金属内固定体、金属人工颞颌关节等等。金属作为一种口腔植入体材料,是否有致癌或促癌作用,其致癌或促癌作用机理,以及怎样预防等一系列问题,不能不引起人们的广泛重视。根据大量地球物理化学、流行病学和公共卫生的调查,营养、生化及临床的研究,以及动物实验的结果,显示和证 Oral metal implants include metal implants, metal internal fixators, metal artificial temporomandibular joints and the like. Metal as an oral implant material, whether carcinogenic or cancer-promoting role, its carcinogenic or cancer-promoting mechanism, and how to prevent a series of problems, can not but cause widespread attention. According to a large number of geophysical and chemical, epidemiological and public health surveys, nutrition, biochemical and clinical research, as well as the results of animal experiments, show and card