两种瓷高嵌体修复无髓后牙的对比研究  

Comparative study on repair of pulpless posterior teeth with two kinds of porcelain onlay

作　　者：余艾晋 李明哲[2] 李爱霞[2] 

机构地区：[1]泸州医学院口腔医学院,四川泸州646000 [2]成都军区总医院口腔科

出　　处：《西南国防医药》2016年第4期398-400,共3页Medical Journal of National Defending Forces in Southwest China

摘　　要：目的比较两种瓷高嵌体修复无髓后牙的成功率。方法选择在成都军区总医院口腔科就诊的80例患者共计80颗经过完善根管治疗后的Ⅱ类洞无髓牙,随机分为两组,使用瓷睿刻4代CAD/CAM系统制作瓷高嵌体,观察组41例采用IPS e.max CAD瓷块制作修复体,对照组39例采用Cerec Blocs瓷块制作修复体。两年后,按照美国USPHS改良标准,对两组成功率进行比较。结果两年后,观察组失访1例,对照组失访3例。观察组的成功率较高,在表面质地、修复体折裂这2个指标上,观察组的成功率高于对照组(P<0.05);在边缘适合性、外形、颜色匹配指标上,两组无显著性差异(P>0.05)。结论 IPS e.max CAD瓷高嵌体用于修复无髓后牙的短期成功率较高,但长期效果有待于一步的评价。Objective To make comparison of the success rates of two kinds of porcelain onlays in the repair of pulpless posterior teeth. Methods 80 cases（80 type Ⅱ cavity pulpless teeth with completed root canal treatment） were chosen and randomly divided into two groups. Porcelain onlays were designed and produced by Cerec 4 CAD/CAM system. IPS e.max CAD porcelain was used to make the restoration in the 41 cases of observation group, while Cerec block porcelain was used in the 39 cases of control group. Two years after the restoration, the success rates of the two groups were compared according to USPHS. Results Two years later, there was one lost case of follow-up in the observation group and 3 in the control group. The success rate of the observation group was higher. In the aspects of surface texture and restoration fracture, the success rates of the observation group were higher than those of the control group（P〈0.05）. However, in the aspects of marginal fit, shape, and color match, there were no significant differences between the two groups（P〈0.05）. Conclusion IPS e.max CAD Ceramic onlay used for the restoration of pulpless teeth has a higher short-term success rate, but its long-term effectiveness needs further evaluation.

关 键 词：高嵌体 瓷块 评价指标 CAD/CAM 

分 类 号：R783.3[医药卫生—口腔医学]