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目的探讨变色前牙美容修复的美观效果及远期保存率。方法采用不同材料、不同方法美容修复的变色前牙，分别从修复时间、所用材料及方法进行效果评价。结果树脂类的修复效果与修复时间密切相关，总有效率随时间增长而降低；金属烤瓷冠、釉质瓷类及全瓷贴面的修复效果与修复时间无明显差异；所用材料不同，修复效果明显不同。结论全瓷贴面修复具有磨除牙体组织少，光泽度、硬度好，远期保存率高的优势，是目前前牙美容修复的理想选择。
Objective To investigate the aesthetic effect and long-term preservation rate of cosmetic restoration of discolored anterior teeth. Methods The discolored anterior teeth treated with different materials and different methods were evaluated respectively from the time of repair, the materials and methods used. Results The repair effect of the resin was closely related to the repair time, and the total effective rate decreased with the increase of time. There was no significant difference between the restoration effect and the repair time of the metal porcelain crowns, the enamel porcelain and the all-ceramic veneer. The materials used were different, Significantly different. Conclusion All-ceramic veneer repair has the advantages of less tooth tissue removal, good glossiness, good hardness and long-term preservation rate, which is the ideal choice for cosmetic restoration of anterior teeth.