三种高透氧化锆陶瓷的半透明度及颜色评价

›› 2020, Vol. 40 ›› Issue (7): 597-601.

三种高透氧化锆陶瓷的半透明度及颜色评价

廖梦圆¹,谢海峰²,沈佳娣³,戴诗琪³,陈晨⁴

1. 江苏省口腔医院
2. 南京医科大学口腔疾病研究江苏省重点实验室,南京医科大学附属口腔医院口腔修复科
3. 南京医科大学
4. 南京医科大学附属口腔医院

收稿日期:2019-10-11 修回日期:2019-12-15 出版日期:2020-07-28 发布日期:2020-07-20
通讯作者: 陈晨 E-mail:ccchicy@njmu.edu.cn
基金资助:
江苏省自然科学基金;江苏高校优势学科建设工程资助项目

Translucency and color evaluation of three high translucency zirconia ceramics

Received:2019-10-11 Revised:2019-12-15 Online:2020-07-28 Published:2020-07-20

摘要/Abstract

摘要： 目的评价不同厚度氧化锆的半透明性和颜色特性。方法制作Katana? UTML(KU)、Lava? Plus(LP)、Ceramill? Zolid (CZ) 3个品牌不同厚度（0.5、1.0、1.2和1.5mm）的高透氧化锆试件各5枚，使用牙科接触式色度仪测量试样的CIELab*参数并计算其半透明参数（Translucency parameter，TP）。对各组TP值及CIELab*参数值进行统计比较。结果 KU的TP值为7.666～15.555，LP的TP值为7.500～14.916，CZ的TP值为6.804～15.508。不同厚度的氧化锆陶瓷的透明度存在显著差异（P<0.05），随厚度的减小而增大(P<0.05)。相同厚度下，透明率按照KU、 CZ、 LP依次降低。KU的L*值与LP、CZ存在显著差异（P<0.05），亮度较LP、CZ低（P<0.05）；KU、LP、CZ三者间的a*、b*值均存在显著性差异（P=0.05）。结论 3种氧化锆陶瓷均显示较好的透明，KU的透明度最高；3种氧化锆的透明度均随厚度减小而增加；KU的颜色最接近于人牙本质的色度。

关键词: 半透明参数, 半透明性, 光学性能, 颜色, 氧化锆陶瓷

Abstract: Objective To evaluate the translucency and color characteristics of zirconia with different thicknesses. Method Three brands of high translucency zirconia ceramics Katana? UTML(KU), Lava? Plus(LP), Ceramill? Zolid (CZ) with different thicknesses (0.5、1.0、1.2 and 1.5mm) were prepared(n=5 per group), the CIELab* parameters of the sample were measured using a contact colorimeter and its translucency parameter TP was calculated. Statistical analysis was made between each group of TP values and CIELab* values. Results 1. The TP value of KU ranged from 7.666 to 15.555, LP from 7.500 to 14.916, and CZ from 6.804 to 15.508. The translucency of zirconia ceramics with different thicknesses were significantly different (P<0.05). There was an increase in the TP with a decrease in thickness (P<0.05). At the same thickness, the translucency decreases in order of KU, CZ, and LP. The L* value of KU was significantly different from that of LP and CZ(P<0.05), and its brightness was lower than that of LP and CZ(P<0.05). There were significant differences in a* and b* between KU, LP and CZ (P=0.05). Conclusion The three zirconia ceramics evaluated in this study show a certain degree of translucency. KU has the highest transparency, and the translucency of zirconia ceramics increases with decreasing thickness. The color of KU is closest to the chromaticity of human dentin.

Key words: translucency parameter, translucency, optical property, color, zirconia ceramic

中图分类号:

R783.1

廖梦圆谢海峰沈佳娣戴诗琪陈晨. 三种高透氧化锆陶瓷的半透明度及颜色评价[J]. 口腔医学, 2020, 40(7): 597-601.

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