... pulpitis 牙髓炎 pulpless tooth 无髓牙 pulpotomy 牙髓切断术 ...
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pulpless coloured anterior tooth 无髓前牙
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Objective: To sum up and analysis the causes of failure about treating pulpless and discolored anterior teeth with the method of interior tooth bleaching.
目的：总结和分析用内漂白方法治疗无髓变色前牙的失败原因。
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