充填厚度对光固化大块复合树脂充填效果的影响

doi:10.7518/hxkq.2022.02.007

华西口腔医学杂志 ›› 2022, Vol. 40 ›› Issue (2): 169-174.doi: 10.7518/hxkq.2022.02.007

充填厚度对光固化大块复合树脂充填效果的影响

王莹¹(), 杨家雪², 谢海峰², 陈晨¹()

^1.南京医科大学附属口腔医院牙体牙髓科江苏省口腔疾病研究重点实验室江苏省口腔转化医学工程研究中心，南京 210029
^2.南京医科大学附属口腔医院口腔修复科江苏省口腔疾病研究重点实验室江苏省口腔转化医学工程研究中心，南京 210029

收稿日期:2021-04-25 修回日期:2022-01-09 出版日期:2022-04-01 发布日期:2022-04-01
通讯作者: 陈晨 E-mail:1786936578@qq.com;ccchicy@njmu.edu.cn
作者简介:王莹，硕士，E-mail：1786936578@qq.com
基金资助:
国家自然科学基金(81970927);江苏省自然科学基金(BK20191348);江苏省高校“青蓝工程”项目(2019);江苏高校优势学科建设工程资助项目(2018-87)

Effect of the thicknesses of bulk-fill composites on bonding strength

Wang Ying¹(), Yang Jiaxue², Xie Haifeng², Chen Chen¹()

^1.Dept. of Endodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatology, Nanjing 210029, China
^2.Dept. of Prosthodontics, Affiliated Hospital of Stomatology, Nanjing Medical University, Jiangsu Province Key Laboratory of Oral Diseases, Jiangsu Province Engineering Research Center of Stomatology, Nanjing 210029, China

Received:2021-04-25 Revised:2022-01-09 Online:2022-04-01 Published:2022-04-01
Contact: Chen Chen E-mail:1786936578@qq.com;ccchicy@njmu.edu.cn
Supported by:
The National Natural Science Foundation of China(81970927);the Natural Science Foundation of Jiangsu Province(BK20191348);the Qing Lan Project of Jiangsu Higher Education Institutions (2019);the Priority Academic Program Development of Jiangsu Higher Education Institutions(2018-87);Correspondence: Chen Chen, E-mail: ccchicy@njmu.edu.cn

摘要/Abstract

摘要： 目的

研究充填厚度对大块复合树脂充填效果的影响。

方法

2种大块充填树脂Filtek Bulk Fill Posterior（FBF）和Tetric N-Ceram Bulk Fill（TBF）为实验组，2种传统光固化复合树脂Filtek Z100（Z100）和 Spectrum TPH（ST）为对照，测试不同固化厚度下树脂的透明度、颜色稳定性、表面维氏硬度和微拉伸粘接强度。

结果

4种树脂透明度、硬度随厚度增加而降低。同一厚度下，大块树脂透明度高于传统树脂，硬度为Z100>FBF>TBF>ST（上表面硬度除外）。除FBF 3 mm和4 mm组老化后颜色参数发生显著变化外，其他各组均未发生明显变化。4种树脂一次性充填4 mm的微拉伸粘接强度均较分层充填低，但大块充填树脂一次性充填4 mm的微拉伸粘接强度仍可达到30 MPa。

结论

大块充填树脂采用一次充填技术能满足临床要求，但个别品牌可能出现远期颜色不稳定。

关键词: 大块充填树脂, 粘接, 厚度, 透明度, 维氏硬度, 微拉伸粘接强度

Abstract: Objective

This work evaluated the effects of thickness on resin bonding strength.

Methods

We set the two bulk-fill composites Filtek Bulk Fill Posterior (FBF) and Tetric N-Ceram Bulk Fill (TBF) as the experimental groups and the two conventional composites Filtek Z100 (Z100) and Spectrum TPH (ST) as the control groups. The translucency parameter (TP), color difference, Vickers hardness (HV), and microtensile bond strength (μTBS) of dentine and the resin composites were measured at different depths.

Results

In each group, TP and HV decreased with the increase in thickness. At the same depth, the TP of the bulk-fill composites was higher than that of the conventional composites. At the same depth, the HV of the four different resin composites followed the order of Z100>FBF>TBF>ST (except for the upper surface). Except for FBF at 3 and 4 mm, all of the other groups showed no visible color change at all the tested thicknesses. Although the μTBS values of the four different composites obtained through the bulk-fill technique were lower than those of composites obtained through the incremental fill technique, the μTBS of the bulk-fill composites obtained through the bulk-filling technique can reach 30 MPa.

Conclusion

Bulk-fill composites applied in single 4 mm increments can meet the requirements of clinical application. However, the color stability of some bulk-fill composites cannot be maintained.

Key words: bulk-fill composite, adhesive, thickness, translucency parameter, Vickers hardness, microtensile bond strength

中图分类号:

R 783.1

王莹, 杨家雪, 谢海峰, 陈晨. 充填厚度对光固化大块复合树脂充填效果的影响[J]. 华西口腔医学杂志, 2022, 40(2): 169-174.

Wang Ying, Yang Jiaxue, Xie Haifeng, Chen Chen. Effect of the thicknesses of bulk-fill composites on bonding strength[J]. West China Journal of Stomatology, 2022, 40(2): 169-174.

图/表 8

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表 6

参考文献 19

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材料	厂家	基质	填料
TBF	Ivoclar Vivadent公司，德国	Bis-GMA，UDMA	钡玻璃，氟化钇，氧化物，预聚合填料（79%~81%*）
FBF	3M ESPE公司，美国	Bis-GMA，Bis-EMA，UDMA	氧化锆/氧化硅，氟化钇（64.5%*）
Z100	3M ESPE公司，美国	Bis-GMA，TEGDMA	氧化锆，氧化硅（70%~80%*）
ST	Dentsply公司，德国	Bis-GMA，Bis-EMA，TEGDMA	硼、硅、铝玻璃（78%~79%*）

材料	厚度/mm
材料	1	2	3	4
ST	21.12±1.02^Aa	10.89±1.04^Bac	5.08±0.46^Ca	2.73±0.25^Da
Z100	15.26±0.57^Ab	8.30±0.27^Ba	3.05±0.57^Cb	1.74±1.54^Da
FBF	28.15±3.58^Ac	18.01±6.96^Bb	8.80±1.03^Cc	7.02±0.80^Db
TBF	24.24±4.90^Aac	13.07±0.45^Bc	7.26±0.96^Cc	5.25±0.86^Dc

材料	厚度/mm
材料	1	2	3	4
ST	0.5±0.2	1.3±0.3	1.2±0.1	1.0±0.2
Z100	2.1±0.1	1.5±0.3	2.3±0.3	1.5±0.2
FBF	0.9±0.5	2.3±0.2	5.4±0.3	7.6±0.3
TBF	3.1±0.2	1.2±0.4	1.2±0.3	1.4±0.3

材料	厚度/mm
材料	0	1	2	3	4
Z100	98.0±5.5^ABa	108.8±2.8^Ca	112.6±4.0^Ca	103.6±7.4^ACa	92.3±7.6^Ba
ST	55.9±5.3^Ab	62.9±3.7^Bb	61.1±2.5^ABb	56.6±4.3^Ab	57.1±2.8^Ab
FBF	58.7±3.8^Ab	73.4±4.1^Bc	74.6±3.8^Bc	73.2±2.2^Bc	73.6±2.5^Bc
TBF	61.6±2.6^Ab	68.7±2.1^Bd	63.3±3.2^Ab	60.8±2.3^Ab	57.3±2.4^Cb

充填方法	材料
充填方法	Z100	ST	TBF	FBF
分层充填	39.96±6.61^Aa	40.03±6.38^Aa	40.41±8.43^Aa	40.13±7.01^Aa
大块充填	10.07±8.52^Ab	13.86±8.49^Ab	34.15±4.19^Bb	34.35±5.65^Bb

充填厚度对光固化大块复合树脂充填效果的影响

Effect of the thicknesses of bulk-fill composites on bonding strength

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组别		断裂方式
组别		粘接界面	内聚	混合
Z100	2 mm	5	5	5
	4 mm	11	0	4
ST	2 mm	5	6	4
	4 mm	12	0	3
TBF	2 mm	10	1	4
	4 mm	10	0	5
FBF	2 mm	2	8	5
	4 mm	5	5	5

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