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- Objective To observe the stress distribution of maxillary first molar and its periodontium in lingual orthodontics. 目的采用有限元的方法研究舌侧矫治过程中上颌第一磨牙牙根、牙周膜、牙槽骨应力分布的特点。
- Objective To study the anatomical factors of vertical root fractures(VRFs)on vital pulp of maxillary first molar. 目的分析活髓下颌第一磨牙根纵裂的解剖学病因。
- The force of load was the truth data measured in each tooth. Results: Central pit in the maxillary first molar was interfered with strain and stress had increased evidently in compare with balance occlusion from whole base plate. 结果:对上颌总义齿右上第一磨牙中央窝造成干扰后;与平衡(牙合)比较;从整个基托来看;应力应变都有明显增加.
- The Permanent Maxillary First Molar 上颌第一磨牙
- Methods To compare anatomical factors between 68 extracted maxillary first molars with VRFs and 68 normal teeth of the same age and title. 方法对68颗拔除后证实为根纵裂的下颌第一磨牙及同龄正常的同名牙齿进行解剖学对比。
- Keywords maxillary first molar;mesiobuccal root;canal configuration; 上颌第一磨牙;近中颊根;根管形态;
- The Anatomical Study of Cause of Vertical Root Fractureson Vital Pulp of Maxillary First Molar 活髓下颌第一磨牙根纵裂病因的解剖学探讨
- Analysis of Stress in the Periodontal Tissue of the Maxillary First Molar on Distal Movement by Finite Element Method 上颌第一磨牙远中移动时牙周应力分布的三维有限元分析
- Analysis of Stress in the Root of the Maxillary First Molar on Distal Movement with Finite Element Method 上颌第一磨牙远中移动时牙根应力分布的三维有限元分析
- A comparative study of TPA-Nance combined anchorage and face bow in reinforcing the maxillary first molar anchorage 横腭弓-Nance弓联合支抗与口外弓增强磨牙支抗的比较
- A Comparative Study of Fixed Palatal Arch and Face Bow in Reinforcing the Maxillary First Molar Anchorage 固定式横腭杆口外弓加强上颌磨牙支抗的比较研究
- Keywords Lingual orthodontics;Finite element analysis;Maxillary first molar;Mesial movement; 舌侧矫治;有限元分析;上颌第一磨牙;近中移动;
- The construction of the three-dimensional finite element model and analog analysis of the maxillary first molar after RCT 上颌第一磨牙根管预备后的有限元模型的建立和受力分析
- Permanent maxillary first molar 上颌第一恒磨牙
- maxillary first molar 上颌第一磨牙
- Methods Micro-CT was used to scan the intact maxillary first premolar. 方法用M icro-CT对选取的完整上颌第一前磨牙进行扫描;将获得的CT影像通过M im ics8.;1软件进行拟合;初步形成模型。
- Diagnostic Test Study of Dental Operating Microscope Used for Locating the Second Mesiobuccal Canal Orifice in Maxillary First Molars 牙科手术显微镜用于探查上颌第一恒磨牙近颊根第二根管口的诊断性试验
- 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 maxillary first molars 上颌磨牙
