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- This paper presents the development of a three-dimensional finite element model of central maxillary incisor. 以上颌中切牙为解剖学基础建立了三维有限元模型。
- It is not uncommon to see an impacted or unerupted maxillary incisor in the children's dental clinic. 摘要上颚门牙异位萌出或上颚阻生牙是儿童牙科及齿颚矫正门诊常见的问题。
- Deciduous caries were often examined on the 1st mandibular molar, the let maxillary incisor, and the 2nd mandibular molar. 在牙位上，患龋好发牙位前三位为下颌第一乳磨牙、上颌第一乳前牙、下颌第二乳磨牙。
- DDE predominately appeared on maxillary incisors. 5%25,主要发生在上颌切牙。
- Keywords missing maxillary incisor space closure; 上切牙缺失;间隙关闭;
- Method 9 cases with missing maxillary incisors were treated by orthodontic space closure. 方法利用正畸关闭间隙法对9例不同数目上切牙缺失的病例进行矫治。
- Congenital absence of one or both of the maxillary incisors is the second most common form of tootQ agenesis. 摘要上颚侧门齿先天缺失是仅次于第三大臼最常见的牙齿缺失。
- Congenital missing of one or both of the maxillary incisors is the second most common form of tooth agenesis. 摘要上颚侧门齿先天缺失是仅次于第三大臼齿最常见的牙齿缺失。
- Objective To investigate the indication, treatment methods and effects in cases with missing maxillary incisors by means of orthodontic space closure. 目的探讨正畸关闭间隙法治疗上切牙缺失的适应症，矫治方法及临床效果。
- Conclusion Cases with missing maxillary incisors can be beated by orthodontic space closure with good treatment effects. 结论对上切牙缺失的治疗，正畸关闭间隙法能实现最大限度的美观、功能及稳定。
- The effects on permanent maxillary incisors were found in approximately half of the patients including uneruption, ectopic eruption, and diastema. 有半数以上病患的门齿萌发会受影响，其影响包括阻碍门齿萌发、门齿异位萌发以及造成过大的齿缝间隙。
- Anteriorly, the maxillary incisors should erupt labial to the mandibular incisors; the mandibular incisors should erupt lingual to the maxillary incisors. 前区部方面，上颚门齿应要萌发在（下颚门齿）侧向，而下颚门齿应要萌发在（上颚门齿）侧向。
- PURPOSE: The purpose of this study was to evaluate the effect of high pull J hook headgear (HPHG) on root resorption of maxillary incisors during orthodontic treatment. 摘要目的：评价标准方丝弓配合高位J钩对正畸治疗中牙根吸收的影响。
- Previous orthodontic treatment had solved the Class II excessive horizontal overlap issue by erupting and reclining the maxillary incisors and, oddly, the mandibular incisors. 以往的正畸治疗已经通过回收上前牙和控制其萌出，纠正了安氏二类错颌的过度覆盖。
- PURPOSE: The purpose of this study was to evaluate the effect of high pull J hook headgear(HPHG) on root resorption of maxillary incisors during orthodontic treatment. 目的:评价标准方丝弓配合高位J钩对正畸治疗中牙根吸收的影响。
- Methods After obturated,forty permanent maxillary incisors and forty permanent premolars with single were observed using radiography with two different ways. 方法将离体40个单根管上切牙和40个单根管前磨牙根充后分别从唇(颊)舌向和近远中向摄片,比较充填密度差异。
- Sagittal interferences result from anterior overjet, linguoversion of the maxillary incisors, anterior crossbite, and molar prematurities or other occlusal interferences with lateral or protrusive excursive movements( Figs3-5 and3-6). 矢状面干扰会产生前牙区过度水平覆盖、颚侧门齿之舌侧倾斜、牙错咬、臼齿早熟或其他在侧方或前突的离心运动时的咬合干扰，图3-5与3-6。。
- Methods:The color of 150 maxillary incisors and its metal ceramic restorations was measured by MinoltCR 321 chromaticity instrument(D65 daylight simulator inside),the color reproduction ratio was calculated with CIE 1976 L*a*b* system. 方法 :用美能达 CR- 32 1色差计 (D6 5光源 )以 CIE1976 - L* a* b*色度系统分别对 15 0个上颌中切牙及其金瓷修复体色度值进行测色、计算色彩复现率并进行统计。
- Three-dimensional Finite Element Study on Periodontal Membrane of Central Maxillary Incisor under Physiological Load 生理载荷作用下上颌中切牙牙周膜应力分布的三维有限元研究
- maxillary incisor 上颌中切牙
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