You Position: Home > Paper
原发性牙萌出失败的影像学观察
( views:427, downloads:157 )
- Author:
- No author available
- Journal Title:
- Chinese Journal of Stomatology
- Issue:
- 1
- DOI:
- 10.3760/cma.j.issn.1002-0098.2014.01.012
- Key Word:
- No keyword available
Abstract： 原发性牙萌出失败(primary failure of eruption,PFE)指由于萌出机制障碍导致无骨粘连的牙齿全部或部分萌出失败[1],其临床少见,却可导致严重的后牙开(牙合),且同一象限的所有后牙均可累及,患牙对口腔正畸矫治力反应不佳并常继发骨粘连,矫治效果不理想[2].PFE与机械性牙萌出失败(mechanical failure of eruption,MFE)的早期临床表现相似,因此两者的鉴别诊断很重要.笔者收集4例PFE患者的锥形束CT和曲面体层X线片影像资料,现报告如下.
- [1]C P, Smith,E A, Al-Awadhi,M T, Garvey.An atypical presentation of mechanical failure of eruption of a mandibular permanent molar: diagnosis and treatment case report.[J].2012,13(3).
- [2]W R, Proffit,K W, Vig.Primary failure of eruption: a possible cause of posterior open-bite.[J].1981,80(2).
- [3]Ellis E-3rd,Throckmorton GS,Palmieri C.Open treatment of condylar process fractures: assessment of adequacy of repositioning and maintenance of stability.[J].2000,58(1).
- [4]Camila, Palma,Ana, Coelho,Yndira, González,etc.Failure of eruption of first and second permanent molars.[J].2003,27(3).