变色前牙是临床的常见病症,对面部容貌影响大,患者迫切希望得到治疗,并且要求修复体形态美观,光泽持久,耐磨耗和与邻牙及龈组织的色泽形态协调。这是口腔临床重要的课题之一。常规治疗变色牙的方法是漂白法和粘贴修复法,后者包括复合树脂覆膜法、塑胶牙贴面、预成荧光性瓷牙贴面,以及瓷牙贴面。目前国内仅见 Discoloration of the anterior teeth is a common clinical condition, the impact on facial appearance, patients are eager to get treatment, and requires the restoration of aesthetic appearance, lasting luster, wear resistance and adjacent teeth and gingival tissue color coordination. This is one of the most important topics in oral clinical practice. Conventional treatments for discolored teeth are bleaching and adhesive restoration methods, including composite resin lamination, plastic dental veneers, pre-fluoresced porcelain veneers, and porcelain veneers. Currently only see