目的：研究上下颌唇挡同时应用对替牙晚期儿童牙牙合的影响。
PURPOSE: to study the effect of maxillary and mandibular lip bumper on tooth and dental arch in late mixed dentition.
建立上海地区正常牙合汉族女性不同牙牙合期的软组织侧貌的正常值范围。
To establish normal values of female soft-tissue profile in different dental age groups who lives in Shanghai district with han nationality.
目的探讨上颌牙齿前突拔牙矫治的方法及矫治前后的牙牙合关系与侧貌变化。
Objective To investigate methods of treating anterior maxillary teeth protrusion by tooth extraction, and changes of the occluding relation and lateral appearances before and after the treatment.
方法：用电子测量尺测量23颗上颌第一磨牙和18颗下颌第一磨牙牙合面不同部位牙釉质、牙本质的厚度。
Methods: The thickness of enamel and dentin at different positions of 23 upper first and 18 lower first molars were measured by electronic ruler.
进一步利用得到的距离图，并引入体样条插值算法，选择合适的控制顶点，完成对标准冠牙合面与对颌牙牙合面的冲突区域的调整。
By making use of the distance map and introducing a volume spline interpolation algorithm, a set of control points were selected and therefore the conflict areas were adjusted with good effect.
方法：对100例无牙牙合患者采用二次印模法，取功能性印模，常规制作钛腭托全口义齿，并进行1 ~3年的临床疗效观察。
Methods: 100 edentulous patients, who wore titanium palatal plate denture with two-step impression, were observed the clinical effect for 1 to 3 years.
本文报告68例非颌骨性的上下前牙牙槽性错(牙合)畸形的外科正畸手术。
Cases of orthognathic surgery on alveolar malocclusion of both maxillary and mandibular anterior teeth were re - ported.
本文报告68例非颌骨性的上下前牙牙槽性错(牙合)畸形的外科正畸手术。
Cases of orthognathic surgery on alveolar malocclusion of both maxillary and mandibular anterior teeth were re - ported.
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