瓷贴面修复四环素牙后颜色稳定性的随机对照研究

doi:10.7518/hxkq.2021.03.014

华西口腔医学杂志 ›› 2021, Vol. 39 ›› Issue (3): 336-340.doi: 10.7518/hxkq.2021.03.014

瓷贴面修复四环素牙后颜色稳定性的随机对照研究

史舒雅¹(), 顾晓宇²()

^1.江南大学附属医院口腔科，无锡 214000
^2.上海交通大学医学院附属第九人民医院口腔修复科，上海交通大学口腔医学院，国家口腔医学中心，国家口腔疾病临床医学研究中心，上海市口腔医学重点实验室，上海 200011

收稿日期:2020-06-23 修回日期:2021-03-08 出版日期:2021-06-01 发布日期:2021-05-26
通讯作者: 顾晓宇 E-mail:Dentistssy@163.com;bjmugxy@126.com
作者简介:史舒雅，主治医师，硕士，E-mail：Dentistssy@163.com
基金资助:
国家自然科学基金(81300919)

A randomized controlled study on color stability of tetracycline teeth restored with ceramic veneer

Shi Shuya¹(), Gu Xiaoyu²()

^1.Dept. of Stomatology, Affiliated Hospital of Jiangnan University, Wuxi 214000, China
^2.Dept. of Prosthodontics, Shanghai Ninth People, s Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai 200011, China

Received:2020-06-23 Revised:2021-03-08 Online:2021-06-01 Published:2021-05-26
Contact: Gu Xiaoyu E-mail:Dentistssy@163.com;bjmugxy@126.com
Supported by:
The National Natural Science Foundation of China(81300919)

摘要/Abstract

摘要： 目的

评价不同厚度瓷贴面及不同固化类型的树脂粘接剂修复四环素牙一段时间后的颜色稳定性。

方法

临床选择符合贴面修复适应证、需要制作包括2颗上颌中切牙在内的四环素牙患者20名，按照瓷贴面厚度0.5 mm或0.75 mm，采用同一种粘接剂的光固化或双固化的方式随机分为4组，完成相应的上颌中切牙瓷贴面修复。用比色仪测量瓷贴面粘接后即刻及使用1、6、12、24个月后的L*、a*、b*值，并计算色差（ΔE）。用双因素方差分析和组间t检验对结果进行统计学分析。

结果

瓷贴面使用24个月后均出现颜色改变，ΔE<2.25。0.75 mm厚瓷贴面色差较0.5 mm组小（P<0.05）。光固化或双固化粘接类型对色差改变的差异无统计学意义。

结论

树脂粘接剂和瓷贴面厚度可影响瓷贴面修复后颜色的改变。同一种贴面粘接剂光固化或双固化的方式不影响贴面修复四环素牙的长期颜色稳定性。

关键词: 瓷贴面, 四环素牙, 颜色

Abstract: Objective

This study aimed to evaluate the color stability of tetracycline teeth restored with ceramic veneers of different thicknesses combined with different resin cement systems after aging.

Methods

Twenty patients with tetracycline teeth, including two maxillary central incisors, were selected clinically. The patients were randomly divided into four groups and restored with 0.5 and 0.75 mm ceramic veneers by using a veneer adhesive system, either with light-cured or dual-cured reaction. The color difference (ΔE) values after cementation and 1, 6, 12, and 24 months of use were obtained by quantification of L*, a*, and b* values with a colorimeter. The results were analyzed statistically with two-way ANOVA and Student's t test.

Results

The ΔE values of ceramic veneers detected after aging were less than 2.25. The 0.5 mm groups exhibited greater color change than the 0.75 mm-thick veneers (P<0.05). No significant difference was found on the color change of dual- or light-cured resin cements.

Conclusion

Resin cements and veneer thickness influence the color of ceramic veneers after aging. Cementation of veneers with either dual- or light-cured resin cements does not affect the long-term color stability of tetracycline teeth differently.

Key words: ceramic veneer, tetracycline teeth, color

中图分类号:

R783.2

史舒雅, 顾晓宇. 瓷贴面修复四环素牙后颜色稳定性的随机对照研究[J]. 华西口腔医学杂志, 2021, 39(3): 336-340.

Shi Shuya, Gu Xiaoyu. A randomized controlled study on color stability of tetracycline teeth restored with ceramic veneer[J]. West China Journal of Stomatology, 2021, 39(3): 336-340.

图/表 3

表 1

表 2

表 3

参考文献 19

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组别	L*	a*	b*
A	62.79±2.39	3.88±0.84	16.02±3.49
B	64.25±1.93	3.82±0.72	14.55±3.57
C	65.79±4.44	3.76±0.87	15.43±2.88
D	64.05±3.82	3.83±0.86	14.90±2.33

组别	时间点/月	L*	a*	b*	ΔL*	Δa*	Δb*
A	0	72.24±1.42	1.65±0.34	11.79±1.62
	1	72.07±1.38	1.72±0.27	11.88±1.47	-0.17±0.08	0.07±0.08	0.10±0.23
	6	71.71±1.29	1.84±0.32	12.06±1.42	-0.53±0.16	0.19±0.05	0.28±0.27
	12	71.35±1.28	1.95±0.30	12.14±1.31	-0.89±0.17	0.30±0.07	0.35±0.35
	24	71.09±1.21	1.96±0.39	12.29±1.29	-1.15±0.26	0.31±0.10	0.51±0.38
B	0	72.15±1.55	1.97±0.38	11.44±1.68
	1	71.90±1.48	2.05±0.34	11.55±1.59	-0.25±0.10	0.08±0.09	0.11±0.18
	6	71.45±1.23	2.12±0.28	11.77±1.54	-0.70±0.51	0.15±0.13	0.33±0.21
	12	71.10±1.25	2.20±0.28	11.93±1.48	-1.06±0.52	0.24±0.10	0.50±0.25
	24	70.77±1.24	2.30±0.28	12.15±1.47	-1.39±0.65	0.33±0.12	0.71±0.27
C	0	72.68±1.06	1.23±0.23	14.89±1.03
	1	72.56±1.03	1.30±0.21	14.99±1.0	-0.12±0.06	0.07±0.03	0.09±0.04
	6	72.37±0.97	1.42±0.23	15.14±0.94	-0.31±0.13	0.20±0.03	0.25±0.10
	12	72.06±0.90	1.49±0.22	15.35±0.87	-0.62±0.20	0.26±0.04	0.46±0.18
	24	71.84±0.92	1.56±0.22	15.44±0.86	-0.84±0.19	0.33±0.06	0.54±0.19
D	0	72.43±1.17	1.32±0.31	13.55±1.52
	1	72.30±1.16	1.41±0.27	13.63±1.49	-0.13±0.04	0.09±0.06	0.09±0.03
	6	72.08±1.12	1.46±0.27	13.73±1.46	-0.35±0.09	0.14±0.08	0.18±0.09
	12	71.82±1.04	1.54±0.26	13.86±1.42	-0.61±0.18	0.22±0.10	0.37±0.11
	24	71.68±1.03	1.59±0.25	14.0±1.45	-0.75±0.20	0.27±0.10	0.45±0.10

组别	1月		6月		12月		24月
组别	ΔE	P值	ΔE	P值	ΔE	P值	ΔE	P值
A	0.31±0.10	0.36	0.69±0.12	0.36	1.06±0.17	0.30	1.36±0.22	0.15
B	0.35±0.09		0.85±0.48		1.24±0.47		1.66±0.54
C	0.18±0.05	0.79	0.46±0.10	0.54	0.84±0.16	0.33	1.08±0.16	0.07
D	0.19±0.06		0.43±0.11		0.76±0.18		0.92±0.18

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瓷贴面修复四环素牙后颜色稳定性的随机对照研究

A randomized controlled study on color stability of tetracycline teeth restored with ceramic veneer

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