Cementoenamel Junctions

《英文msh词典》Cementoenamel Junctions
[入口词] Cementoenamel Junctions
[主题词] Tooth Cervix
[英文释义] The constricted part of the tooth at the junction of the crown and root or roots. It is often referred to as the cementoenamel junction (CEJ),the line at which the cementum covering the root of a tooth and the enamel of the tooth meet. (Jablonski,Dictionary of Dentistry,1992,p530,p433)