结论：唇裂修复术后会出现上颌后缩的生长发育畸形。
Conclusion: After cleft lip repair maxillary retrusion will happen.
上颌牙的麻醉效果好于下颌牙。
The anesthesia effect in maxillary teeth was better than that in mandibular teeth.
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，垂直和水平载荷下的应力分布。
Objective To compare the stress distribution of implant and nature teeth in maxillary complex.
上颌中切牙的短根牙比例相当高。
The rate of short root was high in maxillary central incisors.
剪状咬合，严重的下颌突出或上颌突出都属于有缺陷。
Teeth Scissors bite. A badly undershot or overshot mouth is a fault.
目的研究上颌总义齿基托的力及应变性质。
Aim To investigate the occlusal force and strain of upper complete denture bases.
结果深覆颌总矫正率72.2%，昼夜戴用该改良上颌平面导板组的深覆颌矫正率100%。
Results The correction rate was 72.2% in total and 100% in therapy group.
目的：探讨上颌第二磨牙错？畸形的种类及相关因素。
Objective: to investigate the type of upper second molar malocclusion and its related-factors.
下门牙或下颌突出的下颌或牙突出超过上颌或牙的；
Having the lower jaw or teeth projecting beyond the upper; underhung.
下门牙或下颌突出的下颌或牙突出超过上颌或牙的；
Having the lower jaw or teeth projecting beyond the upper; underhung.
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