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CAD/CAM高嵌体修复术治疗后牙牙体大面积缺损的远期疗效观察
引用本文:杨平.CAD/CAM高嵌体修复术治疗后牙牙体大面积缺损的远期疗效观察[J].成都医学院学报,2017(6):715-718.
作者姓名:杨平
作者单位:成都市第二人民医院 口腔科 成都 610017
基金项目:四川省卫生和计划生育委员会科研课题
摘    要:目的 观察CAD/CAM高嵌体修复术治疗后牙牙体大面积缺损的远期疗效.方法 收集2011年1月至2014年1月成都市第二人民医院收治的180例(240颗患牙)后牙牙体重度龋损累及牙髓患者的临床资料,所有患牙均在根管治疗后采用CAD/CAM数字化椅旁技术行全瓷高嵌体修复,修复后完成24个月随访调查,评定其远期疗效.结果 修复即刻,所有患者修复体耗损、折裂、脱落,边缘密合度,继发龋和牙周反应均达A级,边缘着色A级所占比例为88.33%,修复后6、12、24个月患者不同维度B级所占比例略上调,但不同时间患者修复效果分级所占比例比较,差异无统计学意义(P>0.05);修复后24个月患者对修复效果满意度较高,其中对解剖外形满意度(94.17%)最高,其次为边缘适合性(93.75%).结论 CAD/CAM高嵌体修复术治疗后牙牙体大面积缺损远期疗效肯定,修复稳定性高,牙体外形、色泽、光滑度好,边缘密合度高.

关 键 词:CAD/CAM高嵌体修复术  牙体大面积缺损  根管治疗  磨牙

An Observation of the Long-term Curative Effect of CAD/CAM Onlay Restoration in the Treatment of the Large-area Defects of Posterior Teeth
Abstract:Objective To observe the long-term curative effect of CAD/CAM onlay restoration in the treatment of the large-area defects of posterior teeth .Methods The clinical data of 180 cases (with 240 affected teeth) with severe dental caries of posterior teeth involving dental pulp treated in Second People's Hospital of Chengdu from January of 2011 to January of 2014 were collected .All the teeth were treated with all-ceramic onlay restoration with CAD/CAM digital chair-side technique after root canal therapy and all the patients were followed up for 24 months after restoration to evaluate the long-term curative effect . Results On restoration , the loss of restorations ,fracture of restorations ,fall-off of restorations ,marginal adaptation ,secondary caries and periodontal reactions in all patients reached A level ,and the proportion of A-level edge coloring was 88.33% .The proportions of different dimensions of B level at 6 ,12 and 24 after restoration increased slightly ,but there was no significant differences in the proportions of different levels of repair effect at different time (P> 0.05) .The satisfaction of patients with the repair effect was relatively higher at 24 months after restoration ,and the satisfaction with anatomic shape (94.17% ) was the highest and it was followed by that of marginal adaptation (93.75% ) .Conclusion The long-term curative effect of CAD/CAM onlay restoration is certain in the treatment of large-area defects of posterior teeth .The stability of restoration is high ,the appearance ,color and smoothness of teeth are good ,and the marginal adaptation is high .
Keywords:CAD/CAM onlay restoration  Large-area defects of teeth  Root canal therapy  Molar
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