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IR@PKUHSC  > 北京大学口腔医学院  > 口腔修复科  > 期刊论文
学科主题: 口腔医学
题名:
Application of ethanol improves the resin-dentin bond strength of a two-bottle, self-etching primer-adhesive
作者: Cui, Fengjuan1; Liu, Xiaoqiang1; Ma, Lin2; Chiba, Ayaka3; Li, Bingqing1; Zhou, Jianfeng1; Tan, Jianguo1
刊名: AMERICAN JOURNAL OF DENTISTRY
发表日期: 2015-08-01
卷: 28, 期:4, 页:224-228
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology
类目[WOS]: Dentistry, Oral Surgery & Medicine
研究领域[WOS]: Dentistry, Oral Surgery & Medicine
关键词[WOS]: HYBRID LAYER ; WATER ; NANOLEAKAGE ; DEGRADATION ; EVAPORATION ; DURABILITY ; INTERFACE ; MATRIX
英文摘要:

Purpose: To investigate whether the application of ethanol to a two-step self-etching adhesive can improve its resin-dentin bond performance. Methods: Four different ethanol concentrations were added to the adhesive of Clearfil SE Bond to create four ethanol primers (40, 60, 80 or 100% ethanol). 24 extracted third molars were divided into four groups. Each group corresponded to one of the four hydrophobic ethanol primer concentrations. The teeth in the control group were bonded with Clearfil SE Bond according to the manufacturer′s instructions. The primed teeth in the experimental groups were treated with the ethanol primer prior to application of the solvent-free adhesive. Microtensile bond strengths (mTBS) were tested 24 hours after specimen preparation. Another 14 teeth were bonded using the same methods to evaluate mTBS after 1 year. Nanoleakage was evaluated under field-emission scanning electron microscopy before and after aging. Results: In the 24-hour group, the mTBS in the 60% ethanol/40% adhesive primer group increased significantly (21.6%, P< 0.05) over the no ethanol control. After 12-month water storage, the bond strength of that experimental group was still higher than that of the control group (19.5%, P< 0.05). Before aging, the nanoleakage was clearly seen in the control group but hardly any was seen in the experimental group. After aging, the nanoleakage increase in the experimental group was much less than that in the control group.

语种: 英语
所属项目编号: 81200807 ; PKUSS20140114
项目资助者: National Natural Science Foundation of China ; Science Foundation of Peking University School and Hospital of Stomatology
WOS记录号: WOS:000359880700008
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/59170
Appears in Collections:北京大学口腔医学院_口腔修复科_期刊论文

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作者单位: 1.Peking Univ, Sch & Hosp Stomatol, Dept Prosthodont, Beijing 100081, Peoples R China
2.Beijing Union Med Coll Hosp, Dept Stomatol, Beijing, Peoples R China
3.Tokyo Med & Dent Univ, Dept Cariol & Operat Dent, Tokyo, Japan

Recommended Citation:
Cui, Fengjuan,Liu, Xiaoqiang,Ma, Lin,et al. Application of ethanol improves the resin-dentin bond strength of a two-bottle, self-etching primer-adhesive[J]. AMERICAN JOURNAL OF DENTISTRY,2015,28(4):224-228.
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