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- 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。
- Objective: To analyze the effect of the change of the tapers on the stress and the distribution on the root canal wall resulting from after the root canal preparation on maxillary first premolar. 摘要目的:分析上颌第一前磨牙根管预备后锥度变化对根管壁应力及其分布的影响。
- Keywords maxillary first premolar;tooth measurement;root canal;morphology; 上颌第一前磨牙;牙体测量;根管;形态;
- Research advancements about the root and root canal morphology of maxillary first premolar 上颌第一前磨牙牙根及根管形态的研究进展
- Study on anatomy of apical foramen and morphology of root canal of maxillary first premolar 上颌第一前磨牙根管形态和根尖孔的解剖研究
- Investigation of Root Canal Curvature of Human Maxillary First Premolar in Buccolingual Directions 上颌第一前磨牙根管颊舌向弯曲情况的研究
- Keywords Maxillary first premolar Crown circumference Buccolingnal diameter Mesiodistal diameter; 上颌第一双尖牙;牙冠周径;颊舌径;近远中径;
- maxillary first premolar 上颌第一前磨牙
- Root canal curvature of human maxillary first premolars in buccolingual directions 离体上颌第一前磨牙根管颊舌向弯曲的研究
- Anatomy and Clinical Significance of the Root Canal System of Maxillary First Premolars 上颌第一前磨牙根管解剖结构的观测及临床意义
- Root separate angle and canal intersection of two- rooted maxillary first premolars 双根上颌第一前磨牙牙根分叉度和根管交叉度的研究
- Combined use of standard inter-crown retainer and carbon fiber post for the repair of the maxillary first premolars with residual crown or root 标准冠内固位体与碳纤维桩联合修复上颌第一前磨牙残根残冠的效果评价
- Maxillary left first premolar tooth 上颌左第一前磨牙
- 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。
- Maxillary right first premolar tooth 上颌右第一前磨牙
- 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。
- They had four first premolar extraction, but the outcomes were not so satisfied. 此时如增拔上下第一大臼齿,则可使臼齿区域的近远心关系及病人侧貌得到良好的改善。
- Conclusion: The FEM of the fracture tooth of first premolar can be established by computerized tomography (CT) and the FEM. 结论:将CT技术与有限元法有机结合,可以建成上颌第一双尖牙冠根纵折模型。