Objective to observe the changes in dental pulp and periodontal tissues under the application of maxillary tooth-bone distraction osteogenesis using tooth-attached intraoral distractor.
目的研究使用牙附着式牵张器行上颌牙槽骨牵张成骨术后牙髓和牙周的组织学改变。
Objective To investigate the nursing experience of guide-erupt operation of maxillary embedded tooth.
目的探讨上颌埋伏牙开窗导萌术的护理经验。
Establishing the orthodontic tooth movement model in SD rat oral. The experimental side of the left maxillary arch, the right to control side.
在SD大鼠口腔内建立正畸牙齿移动模型，以左侧上颌牙弓为实验侧，右侧为对照侧。
A wisdom tooth is in humans any of the usually four third molars, including mandibular third molar and maxillary third molar.
人类的智齿就是第三大臼齿，通常有四颗，包括下颌第三磨牙和上颌第三磨牙。
Objective: to explore the method to construct three-dimensional finite element model for maxillary posterior-tooth area, maxillary sinus, zygoma and zygomatic implant.
目的：探讨上颌骨后牙区、上颌窦、颧骨及颧骨种植体的三维有限元建模方法。
Conclusion There are 2 gingival morphological types of maxillary anterior tooth segment in Han Chinese. There is racial difference on gingival morphological characteristics.
结论：在中国汉族人群中上前牙牙龈形态有2种类型，牙龈形态特征存在种族差异。
Conclusion: the thickness of buccal bone wall and position of missing tooth, may influence the maxillary alveolar ridge alterations after immediate implantation.
结论：颊侧骨板的厚度及缺牙位置均有可能影响术后牙槽嵴的改建。
PURPOSE: to study the effect of maxillary and mandibular lip bumper on tooth and dental arch in late mixed dentition.
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。
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.
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。
By using the finite element method (FEM) software, the vibration of 3-d finite element model of maxillary central incisor tooth was analyzed.
在三维有限元模型的基础上，利用有限元分析软件对上颌中切牙的振动模态进行了分析。
Therefore, the analysis of maxillary to mandibular tooth-width ratios sone important diagnostic tool for predicting the outcome of orthodontic treatment.
因此，上下颚间牙齿宽度大小比例的分析，是一项对于预测矫正治疗结果之重要诊断工具。
Therefore, the analysis of maxillary to mandibular tooth-width ratios sone important diagnostic tool for predicting the outcome of orthodontic treatment.
因此，上下颚间牙齿宽度大小比例的分析，是一项对于预测矫正治疗结果之重要诊断工具。
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