4247件氧化锆全瓷修复体临床疗效的回顾性研究

发布时间：2018-03-25 03:22

本文选题：氧化锆　切入点：崩瓷　出处：《牙体牙髓牙周病学杂志》2014年04期

【摘要】：目的:了解氧化锆不同类型修复体的近期生存率以及失败发生情况。方法:回顾性调查我院修复科近3年制作的Wieland氧化锆全瓷修复体戴牙后6~41个月的失败发生情况及其原因。结果:4 247件氧化锆修复体的3年生存率为97.3%,1~3年累计生存率分别为97.9%、97.5%、97.3%。1、2、3、4季度的失败件数分别占第1年失败总件数的63.1%、17.9%、9.5%和9.5%;单冠、联冠与固定桥生存率、前牙区与后牙区修复体生存率之间均无显著差异(P0.05)。失败原因中,瓷崩裂占86.2%,脱落占2.1%,颜色匹配差占6.2%,外形匹配差占3.1%,食物嵌塞占11.3%,咬合低占1.0%;各类修复体瓷崩裂发生率分别为单冠1.5%、联冠2.3%、固定桥2.0%(P0.05)。结论:Wieland氧化锆全瓷修复体近期疗效良好;生存率高低与氧化锆修复体类型以及牙位无显著相关性;戴牙后氧化锆全瓷修复体失败主要集中于第1年的前3个月;瓷崩裂是失败主要原因;瓷崩裂发生率高低与氧化锆修复体类型以及联冠或者固定桥的单位数无显著相关性。
[Abstract]:Objective: to investigate the short term survival rate and failure occurrence of different types of zirconia prostheses. Methods: a retrospective study was conducted on the failure of Wieland all-ceramic restorations made in our hospital in recent 3 years after wearing teeth. Results the 3-year survival rate of 7: 4 247 zirconia restorations was 97.3% and the cumulative 1 ~ 3 year survival rate was 97.9% and 97.5% respectively. The number of failures in the fourth quarter accounted for 63.1% and 9.5% of the total number of failures in the first quarter, respectively. There was no significant difference in survival rate between crown and fixed bridge, and between anterior and posterior teeth. Porcelain disintegrating accounted for 86.2%, abscission accounted for 2.1%, color matching difference accounted for 6.2%, shape matching difference accounted for 3.1%, food impaction accounted for 11.3%, low bite rate was 1.0%. The incidence of porcelain disintegrating in all kinds of restorations was 1.5% for single crown, 2.3% for joint crown, 2.0% for fixed bridge, P0.05.Conclusion the effect of all kinds of ceramic restorations is good in the near future. There was no significant correlation between survival rate and type of zirconia prosthesis and tooth position. The failure of Zirconia all-ceramic restoration was mainly in the first three months of the first year, and the main cause of failure was porcelain disintegration. There was no significant correlation between the incidence of porcelain disintegration and the type of zirconia prosthesis and the number of units of crown or fixed bridge.
【作者单位】：第四军医大学口腔医院修复科军事口腔医学国家重点实验室;
【基金】：国家自然科学基金青年科学项目(51102279) 陕西省科学研究发展计划项目(2013K12-16-03)
【分类号】：R783.1

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