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目的探讨治疗牙楔状缺损行玻璃离子水门汀修复和光固化复合树脂修复的不同效果。方法本研究选取2010年6月至2010年12月到南阳市口腔医院牙科进行治疗的牙楔状缺损患者60例,随机分为A组30例(玻璃离子水门汀组)和B组30例(光固化复合树脂组),统计和观察比较两组患者的牙体修复情况。结果经过平均1年的随防观察,A组共修复患牙38颗,修复成功26颗,成功率达68.4%;B组共修复患牙41颗,修复成功29颗,成功率达70.7%。修复失败者主要表现为充填体松动、脱落、修复体磨损、微渗漏、继发龋齿等。两组间修复成功率进行比较差异无统计学意义(P>0.05)。在牙髓活力改变方面两组比较,A组优于B组;在表面磨损方面两组比较,B组却优于A组,差异有统计学意义(P<0.05)。结论治疗牙楔状缺损时,采用玻璃离子水门汀修复和光固化复合树脂修复均可以取得较高的修复成功率,在临床应用中应根据患牙的具体情况和患者的要求选择合适的治疗方法。
Objective To investigate the different effects of glass ionomer cement repair and light curing composite resin in the treatment of wedge-shaped defects. Methods Sixty patients with dental wedge-shaped defect who were treated in Dental Hospital of Nanyang Stomatological Hospital from June 2010 to December 2010 were randomly divided into 30 cases in group A (glass ionomer cement group) and 30 cases in group B (light-cured Composite resin group), statistics and observation of the two groups of patients with dental restoration. Results After an average of one year of observation and prevention, group A restored a total of 38 affected teeth and successfully repaired 26 of them. The success rate was 68.4%. In group B, 41 teeth were restored and 29 were repaired successfully with a success rate of 70.7%. Mainly failed to repair the filling loose, shedding, restoration wear, micro-leakage, secondary caries and so on. There was no significant difference in the success rate of repair between the two groups (P> 0.05). Group A was better than group B in the change of pulp vitality. Compared with group A, group B was superior to group A in terms of surface wear, the difference was statistically significant (P <0.05). Conclusion In the treatment of wedge-shaped defects, the successful rate of repairing with glass ionomer cement and light-cured composite resin can be obtained. In clinical application, appropriate treatment should be selected according to the specific conditions of the patient’s teeth and the patient’s requirements.