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用表面形态-光度仪检查牙刷对人牙釉质和牙本质的磨损,能准确地观察牙面微小的变化。作者从因交通事故死亡的健康人(25~30岁)尸体获取上颌切牙,冲洗于净以后固定在实验架上,用表面形态-光度仪记录牙面突隆部基底图象,然后把用猪鬃或合成纤维制成的牙刷(有不同的硬度和形状)安装在机器上,并用牙粉或牙膏模拟刷牙,牙刷在牙面上每秒钟反复刷动两次,
Surface morphology - photometer to check the toothbrush on the human enamel and dentin wear, can accurately observe the tiny changes in the tooth surface. The author obtained the maxillary incisor from the body of a healthy person (25-30 years old) who died of an accident, rinsed it in a net and fixed it on a test stand, then recorded the base image of the protruding part of the dentition with a surface morphology-photometer Bristles or synthetic toothbrushes (with different hardness and shape) are mounted on the machine and brush the teeth with a dentifrice or toothpaste. The toothbrush is repeatedly rubbed twice a second on the tooth surface,