华西口腔医学杂志

• 临床研究 • 上一篇    下一篇

乳牙根管系统的形态研究

龙明生1 刘彩云2 杜昌连2   

  1. 1.湖北医药学院附属东风口腔医院口腔内科, 十堰442000;2.武汉大学基础医学院人体解剖教研室, 武汉430071
  • 收稿日期:2011-10-25 修回日期:2011-10-25 出版日期:2011-10-20 发布日期:2011-10-20
  • 通讯作者: 杜昌连,Tel:15327391546
  • 作者简介:龙明生(1974—),男,湖北人,主治医师,硕士

Root canal morphology of deciduous tooth

Long Mingsheng1, Liu Caiyun2, Du Changlian2   

  1.  1. Dept. of Oral Medicine, Dongfeng Stomatological Hospital, Hubei University of Medicine, Shiyan 442000, China; 2. Dept. of Human Anatomy, Wuhan University School of Basic Medical Sciences, Wuhan 430071, China
  • Received:2011-10-25 Revised:2011-10-25 Online:2011-10-20 Published:2011-10-20
  • Contact: Du Changlian,Tel:15327391546

摘要:

目的探讨乳牙根管形态的规律。方法将一组完整的离体乳牙行透明标本制作后,再应用体视显微镜观察并记录其根管形态及其分类。结果乳前牙除1颗为单双混合根管外,92%的牙体为单根单管型;上颌乳磨牙的根管形态均为三根管型,下颌乳磨牙的根管形态均为四根管型,并且根管侧枝和管间吻合常见。结论乳前牙根管形态相对简单,而乳磨牙的根管系统比较复杂。

关键词: 乳牙, 根管形态, 透明牙技术

Abstract:

Objective To find out the morphological regularity of root canal in the primary tooth. Methods Through transparent specimen of a set of deciduous teeth,the shape of root canal was observed under stereomicroscope. Results Among the deciduous anterior teeth, 92% were single canal except for one single-double mixed canal. Maxillary deciduous molar had 3 canals and mandibular deciduous molar had 4 canals, lateral canal and anastomosis between the root canals were popular in deciduous molar. Conclusion Deciduous root canal morphology is simple in anterior teeth and comparatively complex in molar.

Key words: deciduous tooth, root canal morphology, clearing technique