口腔医学研究

口腔医学研究 ›› 2016, Vol. 32 ›› Issue (12): 1299-1302.DOI: 10.13701/j.cnki.kqyxyj.2016.12.018

• 临床研究论著 • 上一篇    下一篇

铸瓷贴面厚度对修复体颜色匹配性的影响

邢文忠1,展康茹2,任大菲1,陈小冬1*   

  1. 1. 大连市口腔医院修复科 辽宁 大连 116021;
    2. 保定市第二医院口腔科 河北 保定 071000
  • 收稿日期:2016-06-08 出版日期:2016-12-25 发布日期:2016-12-26
  • 通讯作者: 陈小冬,电话:0411-84651363
  • 作者简介:邢文忠(1976~ ),男,主任医师,博士,主要从事口腔修复的临床治疗工作。
  • 基金资助:
    大连市卫计委科技项目(编号:WSJ/KJC-2014-JL-77)

Effect of Ceramic Thickness on the Color Matching of Ceramic Veneers.

XING Wen-zhong1, ZHAN Kang-ru2, Ren Da-fei1, CHEN Xiao-dong1*.   

  1. 1. Department of Prosthodontics, Dalian Stomatological Hospital, Dalian 116021, China;
    2. Department of Stomatology, the NO.2 Hospital of Baoding, Baoding 071000, China
  • Received:2016-06-08 Online:2016-12-25 Published:2016-12-26

PDF (PC)

315

被引次数

9

摘要： 目的:分析瓷材料厚度变化对瓷贴面修复体颜色匹配性的影响。方法:选用36颗树脂人工牙按临床要求进行贴面牙体预备。制作二硅酸锂热压铸陶瓷贴面(HT和LT瓷块),按修复体中1/3的厚度分为0.50 mm、0.75 mm和1.00 mm组(n=6)。使用树脂粘接剂将瓷贴面粘接于预备后的树脂人工牙上。比色仪测量瓷贴面试样颈部、中部和切端区域的色度参数。计算瓷贴面试样与A2色标(Vita Classical比色板)的色差值△E。结果:3种厚度瓷贴面修复体与A2色标的色差值范围2.17~6.60,其中0.75 mm和1.0 mm组HT瓷贴面试样在颈部和中部与A2色标的色差值小于3.3。双因素方差分析表明瓷材料厚度和测色部位显著影响瓷贴面试样与A2色标的色差值(P< 0.001)。结论:瓷材料厚度变化影响瓷贴面修复体的颜色参数。随瓷材料厚度增加,LT瓷贴面亮度降低色彩饱和度增加,而HT瓷贴面亮度增加色彩饱和度降低。

关键词: 瓷贴面, 树脂粘接剂, 树脂牙, 色差

Abstract: Objective: To analyze the effect of ceramic thickness on the color matching of ceramic veneers. Methods: Thirty-six artificial teeth (right maxillary central incisors, A2 shade, Endura, Shofu, Japan) were prepared following the veneer preparation protocol. An improved lithium-disilicate pressed glass ceramic materials (A2 shade, HT and LT Blocks, IPS e.max Press, Ivoclar Vivadent) were used to fabricate the 0.50 mm, 0.75 mm and 1.00 mm thick veneers at the body section. The ceramic veneer specimens were bonded on the corresponding artificial teeth with resin cement (TR shade, RelyXTM Veneer, 3M, USA), respectively. The color parameters of ceramic veneer specimens were measured by a clinical spectrophotometer (Crystaleye, Olympus, Japan). The color differences (ΔE) of ceramic veneer specimens and A2 shade tab (Vita Classical Shade Guide, Vita Zahnfabrik, Germany) and C*ab values were calculated. Results: The ΔE values ranged from 2.17 to 6.60. The ΔE values were less than 3.3 at the body and cervical section of veneer when the 0.75 mm and 1.0 mm thick ceramic veneers were fabricated by HT blocks. Two-way ANOVA showed that the ΔE values were significantly affected by the ceramic thickness and the sections of ceramic veneers (P<0.001). Conclusion: The color parameters of ceramic veneers were significantly influenced by the ceramic thickness. With the increasing of ceramic thickness, the values of HT ceramic veneer specimens increased and the chroma values decreased. Moreover, LT veneers exhibited a higher chroma and lower brightness.

Key words: Ceramic veneer , Resin cement, Resin artificial tooth, Color difference

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