maxillary first permanent molar

基本解释

• [医药科学]上颌第一恒磨牙

英汉例句

双语例句

• Objective To study the shape and location of root canal orifice in maxillary first permanent molar and provide a morphological basis for locating canal orifice in endodontic therapy.
  目的研究上颌第一磨牙根管口形态和位置关系，为根管治疗时寻找根管口提供解剖学依据。

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专业释义

医药科学

• 上颌第一恒磨牙