下中切牙-下颌平面角 IMPA
下中切牙角 LI-MP
下颌中切牙 mandibular central incisor ; The Pemanent Mandibular Central Incisor
下颌乳中切牙 mandibular deciduous central incisor ; mandibular primary central incisor
下颌中切牙切缘点 incision inferius
下颌左中切牙 mandibular left central incisor tooth
下颌右中切牙 mandibular right central incisor tooth
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