METHODS: Eighty-eight teeth that needed endodontic treatment in mandibular first premolars in vivo were selected from eighty-two patients.

  • 方法:选取临床上需要进行下颌第一前磨牙根管治疗的患者82例88颗患牙。

  • 互联网摘选 2025-01-20 17:13:53

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