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学科主题: 口腔医学
题名:
Selective Infiltrated Etching to Surface Treat Zirconia Using a Modified Glass Agent
作者: Jiang, Ting1; Chen, Chao1,2; Lv, Ping1
关键词: zirconia ; bond strength ; selective infiltrated etching ; surface modification ; thermocycling test
刊名: JOURNAL OF ADHESIVE DENTISTRY
发表日期: 2014
DOI: 10.3290/j.jad.a33195
卷: 16, 期:6, 页:553-557
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]: BOND STRENGTH ; RESIN CEMENTS ; ADHESION ; SYSTEMS
英文摘要:

Purpose: The surface roughness of zirconia specimens and the bond strength of zirconia and resin cements were evaluated after selective infiltrated etching (SIE) surface treatment using a modified glass agent.

Materials and Methods: One hundred twenty zirconia specimens were divided into four groups according to surface treatment method: untreated control (C), airborne particle abrasion (A), airborne particle abrasion followed by SIE treatment using a modified glass agent (A-SIE), and SIE treatment using a modified glass agent without airborne particle abrasion (SIE). The surface morphology and roughness of the specimens were examined before and after treatment using scanning electron and atomic force microscopy. The specimens were then cemented to resin blocks with a 4-META resin luting system (Superbond C&B). The shear bond strength of the zirconia/resin interface was measured before and after thermocycling and fatigue testing.

Results: The surface roughness and shear bond strength values of the SIE group were higher than those of the other three zirconia groups. The surface roughness (Ra) values were 8.10, 8.34, 9.42, and 12.42 mu m for the C, A, A-SIE, and SIE groups, respectively, with significant differences between SIE and the C and A groups (p < 0.05). The shear bond strength values before thermocycling and fatigue testing were 23.37, 23.38, 25.82, and 28.67 MPa for the C, A, A-SIE, and SIE groups, respectively. These values did not decrease after 10,000 cycles of thermocycling for the surface-treated groups, but did decrease for the untreated control group (C).

Conclusion: SIE treatment using a modified glass agent can increase surface roughness and the bond strength between zirconia and resin cements. The shear bond strength did not decrease after thermocycling and fatigue testing.

语种: 英语
WOS记录号: WOS:000347548800008
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.bjmu.edu.cn/handle/400002259/60772
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.China Japan Friendship Hosp, Dept Stomatol, Beijing, Peoples R China

Recommended Citation:
Jiang, Ting,Chen, Chao,Lv, Ping. Selective Infiltrated Etching to Surface Treat Zirconia Using a Modified Glass Agent[J]. JOURNAL OF ADHESIVE DENTISTRY,2014,16(6):553-557.
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