一例倒置弯根上中切牙正畸牵引异常结果报道
Published in 口腔正畸学 • Dec 20, 2001
NobleIDNI1P52W28R37S60
Authors:
吴平
Abstract
本文报道一例9岁女孩佐上中切牙倒置弯根病例,经二阶段外科暴露加正畸轻力牵引后,牙冠排入牙列,而牙根穿破唇侧骨皮质暴露于口腔,出现异常结果.这与本病例治疗前牙根发育基本完成,冠根成角为锐角且弯曲部位接近牙冠有关.本文探讨了倒置弯根切牙牵引预后的相关指征.
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