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自1986年开始,我们采用 EB—4变色牙覆盖材料治疗四环素牙2308个,经过12～16个月临床观察,现将覆盖结果报告于后。一、材料的主要成份:EB—4材料包括两个组份即糊剂和催化剂,糊剂和催化剂是以3:1～5:1体积比调匀,涂在已酸蚀的牙面。二、操作步骤:1.清洁牙面,暴露新鲜牙釉质,刮除牙石及牙垢,去除牙面沉着的色素,用电刷涂以牙
Since 1986, we have adopted 2308 tetracycline teeth with EB-4 discolored tooth covering material. After 12 to 16 months of clinical observation, we report the results of the coverage. First, the main ingredients of the material: EB-4 material consists of two components that paste and catalyst, paste and catalyst is 3: 1 ~ 5: 1 volume ratio and mix thoroughly, the acid has been painted on the tooth surface. Second, the steps: 1. Clean the tooth surface, exposed fresh enamel, curettage and tartar calluses, removal of the sunken pigmentation, with a toothbrush coated teeth