国际口腔医学杂志

国际口腔医学杂志 ›› 2020, Vol. 47 ›› Issue (4): 418-423.doi: 10.7518/gjkq.2020059

• 论著 • 上一篇    下一篇

遮色层厚度对聚醚醚酮-Crea.lign修复体颜色的影响

张婧婷1,潘旭东1,张文云2()   

  1. 1.昆明市中医医院口腔科 昆明 650500
    2.联勤保障部队第九二〇医院口腔科 昆明 650200
  • 收稿日期:2019-09-15 修回日期:2020-03-16 出版日期:2020-07-01 发布日期:2020-07-10
  • 通讯作者: 张文云
  • 作者简介:张婧婷,医师,硕士,Email：1329041031@qq.com

Effect of opaque-shade resin layer thickness on the color of polyetheretherketone-Crea.lign restoration

Zhang Jingting1,Pan Xudong1,Zhang Wenyun2()   

  1. 1. Dept. of Stomatology, Kunming Municipal Hospital of Traditional Chinese Medicine, Kunming 650500, China
    2. Dept. of Stomatology, 920th Hospital of Joint Logistics Support Force, Kunming 650200, China
  • Received:2019-09-15 Revised:2020-03-16 Online:2020-07-01 Published:2020-07-10
  • Contact: Wenyun Zhang

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摘要：

目的 研究不同遮色层厚度对牙本质色聚醚醚酮（PEEK）-Crea.lign修复体颜色的影响。方法 制备厚度0.6 mm PEEK试件,在其表面粘接厚度分别为0.0、0.1、0.2、0.3、0.4、0.5 mm的遮色层,体层厚度皆为1.0 mm的A2色系Crea.lign树脂修复系统,测量各组试件的L*、a*、b*值,并计算各组之间的色差值。结果 0.0 mm体层+ 0.1~0.3 mm遮色层以及1.0 mm体层+0.0~0.2 mm遮色层,随遮色层厚度的增加,L*、a*、b*值均呈上升趋势。体层厚度为0.0 mm和（或）1.0 mm,0.1~0.5 mm遮色层厚度组间色差在临床可接受范围内,与牙本质色PEEK之间的色差超过临床可接受范围。结论 在临床适用范围内,0.1~0.5 mm的遮色层厚度变化不会对牙本质色PEEK-Crea.lign修复体的颜色产生明显影响,0.1 mm为可以遮住牙本质色PEEK底色的最小遮色层厚度。

关键词: 聚醚醚酮, Crea.lign树脂, 厚度, 颜色

Abstract:

Objective This study aimed to test the effect of different thicknesses of opaque-shade resin layer on the color of detin-shade polyetheretherketone (PEEK)-Crea.lign restoration. Methods PEEK of 0.6 mm thickness was synthesized, and A2 shade Crea.lign of opaque-shade resin layers of 0.0, 0.1, 0.2, 0.3, 0.4, and 0.5 mm and body-shade resin layer of 1.0 mm were bonded on the surface of PEEK. CIE (International Commission on illumination) L*a*b* values for specimens were measured, and color difference among the different thickness groups was calculated. Results For the 0.0 mm body-shade resin layer + 0.1-0.3 mm opaque-shade resin layer and 1.0 mm body-shade resin layer + 0.0-0.2 mm opaque-shade resin layer, the color values showed an upward trend with the increasing thickness of the opaque-shade resin layer. When the thicknesses of PEEK and body-shade resin layer were constant at 0.0 and/or 1.0 mm respectively, the color differences between each group of 0.1-0.5 mm-thick opaque-shade resin layer were within the clinical acceptable range. Beyond clinically acceptable color difference was observed for the detin-shade PEEK. Conclusion In clinical setting, the 0.1-0.5 mm thickness range of opaque-shade resin layers did not influence the color of the detin-shade PEEK-Crea.lign restoration. In addition, 0.1 mm was the minimum thickness that sufficiently covered the detin-shade PEEK background.

Key words: polyetheretherketone, Crea.lign resin, thickness, color

中图分类号: 

  • R783.1

图 1

圆孔状不锈钢模具"

图 2

自制暗盒"

图 3

试件固定于暗盒上"

表 1

不同遮色层厚度的色度值（无体层树脂）"

分组 L* a* b*
PEEK 81.900±0.322a 0.533±0.082c 22.658±0.134a
O-1 80.909±0.598ab 1.283±0.167b 21.167±0.281b
O-2 81.642±0.279a 1.475±0.206ab 21.300±0.363b
O-3 81.809±0.518a 1.525±0.096ab 21.483±0.111b
O-4 81.642±0.478a 1.658±0.069a 21.550±0.301b
O-5 80.517±0.477b 1.792±0.181a 22.133±0.127b

表 2

不同遮色层厚度+1.0 mm体层的色度值"

分组 L* a* b*
无遮色层 71.573±0.228c 3.100±0.197c 23.920±0.403b
OB-1 73.473±0.205ab 4.187±0.228b 26.153±0.051a
OB-2 73.740±0.125a 4.226±0.072ab 26.540±0.123a
OB-3 73.542±0.126ab 4.258±0.100ab 26.592±0.261a
OB-4 73.407±0.064b 4.367±0.078ab 26.567±0.227a
OB-5 73.373±0.128b 4.493±0.104a 26.313±0.186a

表 3

各遮色层厚度组间的色差值（无体层树脂）"

分组 PEEK O-1 O-2 O-3 O-4
O-1 2.002±0.366 - - - -
O-2 1.776±0.183 1.130±0.371 - - -
O-3 1.596±0.185 1.188±0.774 0.535±0.231 - -
O-4 1.715±0.366 0.992±0.632 0.712±0.229 0.776±0.278 -
O-5 2.294±0.442 0.870±0.398 1.266±0.572 1.349±0.927 1.274±0.642

表 4

各遮色层厚度组间的色差值（体层厚度1.0 mm）"

分组 无遮色层 OB-1 OB-2 OB-3 OB-4 OB-5
OB-1 3.135±0.560 - - - - -
OB-2 3.588±0.508 0.558±0.058 - - - -
OB-3 3.502±0.636 0.510±0.302 0.313±0.094 - - -
OB-4 3.466±0.543 0.534±0.296 0.435±0.149 0.419±0.107 - -
OB-5 3.314±0.614 0.464±0.227 0.540±0.128 0.471±0.196 0.400±0.139 -
PEEK 10.731±0.457 9.837±0.412 9.737±0.291 9.968±0.344 10.154±0.236 10.052±0.261
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