华西口腔医学杂志

• 临床研究 • 上一篇    下一篇

玻璃着色剂对可切削渗透陶瓷复合体颜色影响的研究

杨晓喻1,刘长虹2,廖运茂1,鲜苏琴1,高文峰2   

  1. 1.口腔生物医学工程教育部重点实验室,四川大学,四川 成都 610041; 2.广东省口腔医院 修复科,广东 广州 510280
  • 收稿日期:2006-06-25 修回日期:2006-06-25 出版日期:2006-06-20 发布日期:2006-06-20
  • 通讯作者: 鲜苏琴,Tel:028-85501450
  • 作者简介:杨晓喻(1974-),女,四川人,主治医师,博士,现在广东省口腔医院工作

Investigation of the Function of the Glass Colorant on the Machinable Infiltrated Ceramics Color

YANG Xiao-yu1, LIU Chang-hong2, LIAO Yun-mao1, XIAN Su-qin1, GAO Wen-feng2   

  1. 1. Key. Laboratory of Oral Biomedical Engineering Ministry of Education, Sichuan University, Chengdu 610041, China;2. Dept. of Prosthodontics, Guangdong Provincial Stomatological Hospital,Guangzhou 510280, China
  • Received:2006-06-25 Revised:2006-06-25 Online:2006-06-20 Published:2006-06-20

摘要:

目的 观测不同配方的玻璃着色剂对可切削渗透陶瓷(MIC)复合体颜色的影响。方法 确定渗透玻璃基本组分。测定其光学指数:色散值0.068 41(435.8—656.3 nm),折射率1.596 91(587.6 nm波长)。以基本配方为核心调整形成5种着色剂配方的渗透玻璃。将它们渗透到氧化铝圆片状试件中,TC-PIIG型色差计分别测量5种MIC复合体的L*、a*、b*值并与Vita In-ceram陶瓷颜色系数比较。结果 不同着色剂配方的MIC颜色体系的的主要区别在L*值,其次是a*值,b*值变化较小。MIC颜色体系L*值为64.55—71.46,a*值为3.35—7.38,b*值为10.00—12.41,Ca*b*11.38—13.95,ha*b*54.07—73.00。与Vita In-ceram陶瓷色系颜色参数接近。结论 渗透玻璃着色剂配方的改变主要影响渗透陶瓷复合体颜色表达的明度和色相,对彩度的影响相对较小,其颜色表达符合临床应用要求。

关键词:  可切削渗透陶瓷, 着色剂, 颜色

Abstract: Objective To investigae the function of the glass colorant on the color of the machinable infiltrated ceramics(MIC). Methods Five kinds of glass with different colorant were infiltrated through the aluminous matrix by heating the components to 1 100 ℃ for 2 hours. The specimens' surface was polished, and their thickness was 0.5 mm. Results The refractive index of the MIC infiltration glass was 1.59691(587.6 nm, nd). The most different parameter of the MIC color were L*, then a*,and b* had little difference . The parameters of the color space of MIC were: L*(64.55—71.46), a*(3.35—7.38),b*(10.00—12.41), Ca*b*(11.38—13.95), ha*b*(54.07—73.00). These were almost close to the color parameters of Vita In-ceram. Conclusion This experiment proved that the glass colorant was changed the MIC color parameters, and the main function was on L*, then a*. The ceramic color was up to the requirement of clinic.

Key words: machinabale infiltrated ceramics, colorant, color