tetracycline stained teeth
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The beneficial rate was over 90% This paper presents the therapeutic method and its procedures for three (?) of tetracycline stained teeth. and this paper also discusses the cause of failure cases.
本文介绍了光固化复合树脂修复三类四环素染色牙的治疗方法和操作步骤，并对失败病例作了总结。
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