mandibular deciduous central incisor
下颌乳中切牙(mandibular deciduous central incisor)下颌乳中切牙与下颌恒中切牙的牙冠外形相似,但长度稍大于宽度,不像下颌恒中切牙牙冠呈窄长的外形。
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mandibular primary central incisor
上颌乳中切牙 maxillary primary central incisor 下颌乳中切牙 mandibular primary central incisor ; mandibular deciduous central incisor 人乳中乳糖的老名称 bifidus factor ..
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