Department of Restorative Dentistry, Faculty of Dentistry, University of Malaya, Kuala Lumpur, Malaysia.
School of Dentistry, College of Biomedical and Life Sciences, Cardiff University, Cardiff, UK.
Int Endod J. 2018 Apr;51(4):389-404. doi: 10.1111/iej.12867. Epub 2017 Nov 1.
Understanding the normal anatomical features as well as the more unusual developmental anomalies of teeth, roots and root canals is essential for successful root canal treatment. In addition to various types of root canal configuration and accessory canal morphology, a wide range of developmental tooth, root and canal anomalies exists, including C-shaped canals, dens invaginatus, taurodontism, root fusion, dilacerations and palato-gingival grooves. There is a direct association between developmental anomalies and pulp and periradicular diseases that usually require a multidisciplinary treatment approach to achieve a successful outcome. A number of classifications have categorized tooth, root and canal anomalies; however, several important details are often missed making the classifications less than ideal and potentially confusing. Recently, a new coding system for classifying root, root canal and accessory canal morphology has been introduced. The purpose of this article is to introduce a new system for classifying tooth, root and canal anomalies for use in research, clinical practice and training, which can serve as complementary codes to the recently described system for classifying root, as well as main and accessory canal morphology.
了解牙齿、牙根和根管的正常解剖特征以及更不寻常的发育异常对于成功的根管治疗至关重要。除了各种类型的根管形态和副根管形态外，还存在广泛的发育性牙齿、牙根和根管异常，包括 C 形根管、牙内陷、尖牙畸形、牙根融合、扭转和腭龈沟。发育异常与牙髓和根尖周疾病之间存在直接关联，通常需要采用多学科治疗方法才能取得成功。有许多分类方法对牙齿、牙根和根管异常进行分类；然而，一些重要的细节经常被忽略，导致分类不够理想，甚至可能产生混淆。最近，一种新的用于分类根管、根管和副根管形态的编码系统已经被引入。本文的目的是介绍一种新的牙齿、牙根和根管异常分类系统，用于研究、临床实践和培训，可以作为最近描述的根管以及主副根管形态分类系统的补充代码。
