The rate of short root was high in maxillary central incisors.
上颌中切牙的短根牙比例相当高。
Conclusion: After cleft lip repair maxillary retrusion will happen.
结论：唇裂修复术后会出现上颌后缩的生长发育畸形。
Objective: to study the anatomy of the maxillary first permanent molars.
目的：了解上颌第一恒磨牙牙体解剖基础知识。
The anesthesia effect in maxillary teeth was better than that in mandibular teeth.
上颌牙的麻醉效果好于下颌牙。
Objective To compare the stress distribution of implant and nature teeth in maxillary complex.
目的比较种植体与天然牙在上颌骨复合体中，垂直和水平载荷下的应力分布。
Objective: To investigate the important adjacent relationship of the external maxillary artery.
目的：研究颌外动脉的重要毗邻关系。
Objective: To compare the stress distribution in implant and nature teeth in maxillary complex.
目的：比较种植体与天然牙在上颌骨复合体中在垂直和水平载荷下的应力分布。
Objective: To compare the stress distribution in implant and nature teeth in maxillary complex.
目的：比较种植体与天然牙在上颌骨复合体中在垂直和水平载荷下的应力分布。
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