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目的：锥形束 CT （cone beam computer tomography ，CBCT ）应用于口腔科进行三维立体成像，具有广泛的临床应用前景。本文主要综述 CBCT 成像的基本原理，以及在口腔种植科、正畸科、颌面外科和内科等口腔临床科室应用的最新进展。“,”CBCT has been widely applied to oral department and achieved very good effect .The purpose of this paper is to review the basic principle and application of CBCT in some of oral departments .