CAD/CAM氧化锆全瓷冠修复前牙牙体缺损的临床疗效

Clinical effect of CAD/CAM zirconia all-ceramic crown on anterior tooth restoration

目的分析CAD/CAM氧化锆全瓷冠修复前牙牙体缺损的临床疗效。方法选取我院2013年3月至2016年6月口腔科收治的前牙牙体缺损患者88例,共120颗患牙,将患者随机分为对照组44例(患牙53颗)和研究组44例(患牙67颗),对照组采用镍铬合金烤瓷冠进行修复,研究组采用CAD/CAM氧化锆全瓷冠进行修复,比较两组患者的临床修复效果。结果研究组患者修复满意度为97.73%,显著高于对照组的70.45%(P<0.05);研究组患者牙龈色泽变化总发生率为0.00%,显著低于对照组的22.64%(P<0.05);研究组患者的牙龈炎症总发生率为16.42%,显著低于对照组的47.12%(P<0.05);治疗后研究组的边缘密合度优于对照组(P<0.05)。结论 CAD/CAM氧化锆全瓷冠修复前牙牙体缺损的临床效果较好,是一种理想的修复材料。

Objective To analyze the clinical effecl of CAD/CAM zirconia all -ceramic crown on anlerior loolh resloralion. Methods Eighly-eighl cases wilh 120 anlerior leelh of anlerior loolh resloralion in our hospilal from March 2013 lo June 2016 were selecled and randomly divided inlo conlrol group wilh 44 cases （67 anlerior leelh） and research group wilh 44 cases （53 anlerior leelh）. Nickel-chromium alloy-porcelain crown was used in lhe conlrol group, while CAD/ CAM zirconia crown was used in lhe research group, lhe clinical repair e^ecls of lhe lwo groups were compared. Results The salisfaclion rale was 97.73% in lhe research group, which was significanlly higher lhan 70.45% in lhe conlrol group （P〈0.05）. The incidence of gingival color change was 0.00% in lhe research group, which was significanlly lower lhan 22.64% in lhe conlrol group （ P〈0.05）. The incidence of gingival inflammalion in lhe research group was 16.42%, which was significanlly lower lhan 47.12% in lhe conlrol group （ P 〈0.05）. The marginal adaplalion of lhe research group was beller lhan lhal of lhe conlrol group （ P〈0.05）. Conclusion The clinical effecl of CAD/CAM zirconia crown is good, which is a kind of ideal repair malerials.