较常见的是尖牙和上颌切牙的埋伏阻生（第三磨牙除外）。
Impacted tooth frequently appears in upper cuspid and upper central incisors(except of the third molar) .
目的：观察用粘结桥、单端固定桥两种方法联合修复上颌侧切牙缺失的临床效果。
Objective: to evaluate a method to restore maxillary lateral incisor with adhesion and cantilever bridge.
目的：研究上颌侧切牙畸形根面沟的外形。
AIM: To study the morphology of deform root groove in the maxillary lateral incisors.
结果缺牙部位最常见的是下颌中切牙、上颌侧切牙和下颌侧切牙，以少数牙缺失为主，女性多于男性。
Results mandible central incisor, maxillary lateral incisor and mandible lateral incisor were most missing teeth, and there were more females than males.
目的研究在计算机上建立上颌中切牙的三维有限元数学模型。
Objective To discuss Construction of the three-dimensional finite element model of maxillary central incisor by using ct scanning technique.
本研究以上颌中切牙天然牙为解剖学基础建立了三维有限元模型。
A three-dimensional finite element model was built by using central maxillary incisor as its anatomical basis.
目的：尝试上颌中切牙贴面计算机辅助设计(CAD)方法。
Objective: To develop a new method of computer aided design (CAD) of veneer on maxillary incisor.
目的了解正常上颌中切牙牙根不同截面根管周壁厚度及根管面积和形态。
Objective To measure the thickness of the wall of root canal and root canal area in different cross sections of maxillary central incisors.
案件报告中，两名常任异位上颌犬齿绕过侧门，并造成了广泛的骨吸收两个上颌中切牙牙齿。
A case is reported in which two ectopic maxillary permanent canine teeth bypassed the lateral incisors and caused extensive resorption to both maxillary central incisor teeth.
上颌中切牙的短根牙比例相当高。
The rate of short root was high in maxillary central incisors.
方法作者1995～ 1998年间采用内染色技术为2 2单位行金属烤瓷修复的患者再现上颌中切牙的色彩。
Methods The author used the internal live stain technique to restore the color of maxillary central incisors for 22 patients between 1995 and 1998.
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。
By using the finite element method (FEM) software, the vibration of 3-d finite element model of maxillary central incisor tooth was analyzed.
摘要目的评价替牙早期上颌阻生中切牙矫治过程中的支抗控制及矫治要点。
Abstract: Objective to evaluate anchorage methods applied to the patients for the treatment of maxillary impacted central incisors in the early mixed dentition.
结果2 2单位采用内染色技术再现上颌中切牙色彩是成功的。
Results The 22 cases were successful in expressing the typical color type of maxillary central incisors using intemal live stain technique.
以上颌中切牙为解剖学基础建立了三维有限元模型。
This paper presents the development of a three dimensional finite element model of central maxillary incisor.
曲面体层片对上颌阻生尖牙邻近切牙根吸收诊断的灵敏度是43.8%，特异度是82.4%；
The sensitivity and specificity of diagnosing the incisors root resorption caused by impacted maxillary canines using PTG were 43.8%and 82.4%respectively.
曲面体层片对上颌阻生尖牙邻近切牙根吸收诊断的灵敏度是43.8%，特异度是82.4%；
The sensitivity and specificity of diagnosing the incisors root resorption caused by impacted maxillary canines using PTG were 43.8%and 82.4%respectively.
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