瓷修复体颜色选择相关因素的回顾分析

目的：确定瓷修复体颜色选择的影响因素。方法：回顾2007年5月～2007年10月由6名医师完成的300例瓷全冠修复的临床资料,评价其颜色修复效果。采用Logistic回归模型分析患者性别、年龄、修复材料、牙位、医师和比色法等因素与颜色选择效果的关系。结果：300例患者中颜色修复满意者195例,不满意105例。性别、年龄、修复材料、医师和比色法因素与修复效果无明显相关性（P〉0.05）,牙位因素影响选色效果（P〈0.05;OR=0.34;95%CI=0.237-0.477）。结论：牙位因素影响瓷修复体颜色的选择,牙位越靠后选色成功率越小。

Retrospective analysis of correlation factors on shade selection of dental ceramic restoration

Objective To identify the influencing factors of the shade selection of dental ceramic restorations.Methods Review the clinical data,assessment and color repair effects of 300 cases with ceremic crown fulfilled by six dentists from May 2007-October 2007.The article using regression model to analysis the relationship of patient gender,age,material,tooth site,dentists and colorimetry method et al with shade selection of dental ceramic restoration.Results There were 195 clients with satisfactory of color repair from 300 clients,The clients with dissatisfactory were 105 cases.The gender,age,material,dentists and shade selection factors and repair effects had no remarkable correlation（P0.05）.However the tooth site factors influenced the color selection effects（P0.05;O=0.34;95% CI=0.237-0.477）.Conclusion This study showed that the shade selection of dental ceramic restorations was influenced by the tooth site factors,and the more backward of the tooth site the less success rate.