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- ObjectiveTo discuss the design and fabrication of the photoelastic model of mandibular first molar after hemisection. 目的探讨下颌第一磨牙半切术后光弹模型的设计和制作。
- An awareness and identification of the RE can contribute to the successful outcome of root canal treatment in mandibular first molars. 近年来,随着大家对下颌第一磨牙解剖的认识日益重视,对远舌根的研究日趋深入。
- RE is an usually small short root with a hook, which gratly increase the difficulty of root canal treatment for mandibular first molars. 充分认识和识别远舌根,对于提高下颌第一磨牙根管治疗的成功率有重要意义。
- ResultsThe photoelastic modle of mandibular first molar with hemisection was manufactured, which was as similar as noumenon in appearance, parameter and boundary condition. 结果制作出几何形状、物理参数和边界条件与实体接近的下颌第一磨牙半切术后牙体及牙周支持组织的光弹模型。
- Methods Five models of mandibular first molar of double implant-supported with different spatial arrangements were constructed by using threedimensional finite element method. 方法模拟不同空间排列的双种植体支持修复下颌第一磨牙的模型,在保证其它因素都不变的情况下,采用三维有限元法,分析种植体骨界面应力分布。
- Establishing a FEM oF Mandibular First Molar and Stress Analysis 有限元法建立下颌第一磨牙模型及受力分析
- Keywords mandibular first molar;hemisection;photoelastic; 下颌第一磨牙;半切术;光弹性;
- Effect of tooth wear on morphological features of the mandibular first molars 磨损对下颌第一磨牙形态影响的特点研究
- The fistula was connected with mandibular body but the first molar. 颊瘘与外斜线相连,与下颌第一磨牙根尖不相通连。
- The photoelastic stress analysis of various prosthodontia design for mandibular first molar with hemisection 下颌第一磨牙半切术后不同修复设计的光弹性应力分析
- Biomechanical characteristics of the mandibular first molar model constructed by three 应用三维有限元建立下颌第一磨牙模型的生物力学特征
- Photoelastic Stress Analysis of Two Kinds of Rigid Fixed Bridge Design after Hemisection of Mandibular First Molar 下颌第一磨牙半切术后两种双端固定桥修复的光弹性应力分析
- Development of the Photoelastic Model for the Tooth and Periodontal Tissue of Mandibular First Molar after Hemisection 下颌第一磨牙半切术后牙体及牙周支持组织光弹性模型的研制
- The three-dimensional finite element analysis on the mandibular first molar under static and impact loads 下颌第一磨牙静力与冲击下的三维有限元力学分析
- Lifetime Prediction of All-ceramic Crowns of the Mandibular First Molar: A three-dimensional Finite Element Analysis 下颌第一磨牙全瓷冠疲劳寿命预测的三维有限元分析
- Establishment of three-dimensional solid and finite element model of implant- supported mandibular first molar with crown 下颌第一磨牙种植修复体的三维实体和有限元模型的建立
- Stress analysis on structure defect with different post core materials and full crown restoration of the permanent mandibular first molar 下颌第一恒磨牙牙体缺损不同桩核材料全冠修复的应力分析
- Radix entomolaris(RE) is a supernumerary distolingual root of mandibular molars, mainly in mandibu-lar first molars. 远舌根是位于下颌恒磨牙远中舌侧的一个部分或完全独立的额外牙根,常见于下颌第一磨牙。
- This case report will present an immature mandibular first permanent molar with carious exposure treated by partial pulpotomy. 本篇病例报告即描述局部断髓应用于发育未完成恒牙第一大臼齿,因治疗龋齿引起牙髓暴露。
- Maximum lingual inclination was observed in the lower first molars. 最大唇(颊)侧倾斜为正门齿,最大舌侧斜则为第一大臼齿。