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- Methods: A maxillary central incisor up tocriterion was selected to construct the three-dimensional finite element model on computer. 分析不同材料桩核的修复效果。
- Methods:A maxillary central incisor model was made by three dimensional finite element method based on the average anatomic morphology of Chinese. 方法:运用有限元法建立模型,观察模型的不同部位同一载荷下受力情况。
- It is successful to build a three-dimension finite element model of a maxillary central incisor by helix CT films and scanning data. 2. 在此基础上生成了包括桩冠各组成部分和支持组织的三维有限元模型，模型具有良好的几何相似和力学相似性，完全可用于不同箍设计桩冠的力学研究。
- Objective: To study how the depth and morphology of affected the dentinal stress distribution of the root of maxillary central incisor using three-dimensional-finite-element analysis. 摘要目的：应用三维有限元法研究石英纤维桩的不同外形和深度对上领中切牙桩冠修复后牙根应力分布的影响。
- Impaction of the permanent maxillary central incisor is uncommon, and fusion of mandibular lateral incisors and canines is even more rarely seen. 摘要上颚正中门齿的阻生是少见的，而下颚双侧恒牙的侧门齿与犬齿融合则更少见；
- A clinical examination revealed a moderate midline diastema between maxillary central incisors. 临床检查：上中切牙间中缝，中度大小。
- Objective:To study the function of the protection "U" in the orthodontic treatment of the inversely impacted maxillary central incisors. 目的:探讨牙合垫式U型保护罩在上颌中切牙倒置埋伏阻生矫治中的应用。
- Construction of the Three-dimensional Finite Element Model of Maxillary central incisor by using CT Scanning Technique 上颌中切牙三维有限元模型的CT扫描建模
- The experience of clinical diagnosis and treatment of impacted maxillary central incisor 上颌中切牙阻生的临床诊治体会
- FE simulation of the mechanical performance of the maxillary central incisor system 上颌中切牙修复体力学行为的有限元仿真分析
- A study of stress distribution in maxillary central incisor restored with post-and-core crown by three dimensional finite element method 上中切牙桩核冠修复的三维有限元研究
- The influence of three different preparation materials on the stressdistribution of the crown and residual dentin of maxillary central incisor 三种预备体材料对前牙烤瓷冠及牙本质应力分布的影响
- The Effect of Different Abutment Materials on the Fraction of Casting Porcelain Crown of Maxillary Central Incisor with Three-dimensional Finite Element Method 应用三维有限元法分析不同基牙材料对上颌中切牙铸造陶瓷全冠碎裂的影响
- Maxillary central incisor 上中切牙
- Maxillary central incisors 上颌中切牙
- Maxillary left central incisor tooth 上颌左中切牙
- Maxillary right central incisor tooth 上颌右中切牙
- The case was a 12 years old girl with an impacted maxillary right canine and a supernumerary tooth located in between two central incisors. 本文介绍一位12岁的女孩病例，临床检查发现上颚犬齿阻生以及门齿间一颗多生牙。
- With the loss of the alveolar height, the maximum equivalent stress and the principle stress of the upper central incisor periodontium increased. 随着牙槽骨高度的降低，上中切牙牙周膜最大等效应力和主应力逐渐增大。
- Instaneous Center of Rotation(ICR) was analyzed by defining different M/F ratios applied at the center of clinical crown of the central incisor. 用三维有限元分析法研究作用于上颌中切牙托槽部位(距切缘4.;4mm)矫治力系统中力偶矩M与舌向水平力F的比值(即M/F)与牙齿移动瞬间转动中心((ICR)之间的关系。
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