增加牙本质比色对铸瓷修复体精确选色的临床意义

发布时间：2018-07-15 14:45

【摘要】：实验目的：评价增加牙本质比色对铸瓷修复体临床精确比色的意义。方法：分别使用常规比色法和常规比色法联合牙本质比色法（联合比色法）为30例患者的患牙颈1/3中1/3切1/3进行比色。2周后，两组铸瓷修复体（采用常规比色法制作的修复体为A组，采用联合比色法制作的修复体为B组）作试戴调整后分别戴入患者口内(未粘结)，，患者参照对侧同名牙与医师共同对修复体的颜色进行主观评价。采集修复体与对侧同名牙的数码图像；图像色彩校正和数据采集；修复体与对侧同名牙颜色数据的获取。在CIE1976L*a*b*色度系统下，对两种比色方法制作的铸瓷修复体与对侧同名牙进行色度值测定和分析。用SPSS13.0统计学软件行统计描述及方差分析。结果：患者对两组修复体色彩还原效果满意度差异无统计学意义（p0.05）.两组修复体色差分析有统计学意义（p0.05）结论：增加牙本质比色对临床上铸瓷修复体精确选色有一定的指导意义。
[Abstract]:Objective: to evaluate the significance of increasing dentin colorimetry to clinical accurate colorimetry of cast porcelain prosthesis. Methods: the normal colorimetric method and the conventional colorimetric method combined with dentin colorimetry (combined colorimetric method) were used to measure the color of 30 patients with cervical neck 1 / 3 of 1 / 3 after 2 weeks. Two groups of cast porcelain restorations (group A, made by conventional colorimetric method), The prosthesis made by combined colorimetric method was used as group B). The prosthesis was put into the mouth of the patient (unbonded) after trial wear adjustment, and the color of the prosthesis was evaluated subjectively according to the contralateral teeth of the same name together with the physician. Collect digital images of restoration and contralateral teeth; color correction of image and data acquisition; acquisition of color data of restoration and contralateral teeth with the same name. The chromaticity values of the cast porcelain restorations made by two colorimetric methods were measured and analyzed under the CIE 1976 Lepa B * chromaticity system with the contralateral teeth of the same name. SPSS 13.0 statistical software was used for statistical description and ANOVA. Results: there was no significant difference between the two groups (p0.05). Conclusion: the increase of dentin colorimetry has a certain guiding significance for the accurate color selection of cast porcelain restorations in clinic.
【学位授予单位】：佳木斯大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：R783

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