Document Detail

Influence of adhesive application time on enamel bond strength of single-step self-etch adhesive systems.
MedLine Citation:
PMID:  20166414     Owner:  NLM     Status:  MEDLINE    
This study examined the relationship between the adhesive application time and enamel bond strength of several single-step self-etch adhesive systems. The adhesives used were: Bond Force (BF, Tokuyama Dental Corporation, Tokyo, Japan), Clearfil tri-S Bond (CT, Kuraray Medical Inc, Tokyo, Japan), iBond Self-Etch (IB, Heraeus Kulzer, Armonk, NY) and OptiBond All-in-One (OB, sds Kerr). Bovine mandibular incisors were mounted in self-curing resin and wet ground with #600-grit silicon carbide paper to expose labial enamel. Adhesives were applied for 10, 20 or 40 seconds and the resin composites were condensed into a mold (phi4 x 2 mm) on the enamel and light irradiated. Ten samples per test group were stored in 37 degrees C water for 24 hours, then shear tested at a crosshead speed of 1.0 mm/minute. One-way ANOVA and the Tukey HSD test (alpha = 0.05) were performed within each adhesive system. The enamel surfaces after adhesive application were also observed in a Field Emission Electron Probe Surface Roughness Analyzer and the Ra value was calculated. The enamel bond strength ranged from 13.6 to 17.8 MPa for BF, 13.6 to 15.9 MPa for CT, 14.3 to 16.2 MPa for IB and 13.4 to 19.8 MPa for OB. Significant increases in bond strength were found for the 40-second application groups, except for IB. No changes in Ra value were found for BF and IB, while significant decreases in Ra value were recorded with 40-second application for CT and OB. The data suggested that the duration of the single-step self-etch adhesive application was a crucial factor for determining the enamel bond strengths of some of the single-step self-etch adhesives employed in the current study.
Hiroaki Tsuchiya; Keishi Tsubota; Mika Iwasa; Susumu Ando; Masashi Miyazaki; Jeffrey A Platt
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Operative dentistry     Volume:  35     ISSN:  0361-7734     ISO Abbreviation:  Oper Dent     Publication Date:    2010 Jan-Feb
Date Detail:
Created Date:  2010-02-19     Completed Date:  2010-03-26     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7605679     Medline TA:  Oper Dent     Country:  United States    
Other Details:
Languages:  eng     Pagination:  77-83     Citation Subset:  D    
Nihon University School of Dentistry, Department of Operative Dentistry, Tokyo, Japan.
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MeSH Terms
Acid Etching, Dental
Carbon Compounds, Inorganic / chemistry
Composite Resins / chemistry
Dental Bonding / methods*
Dental Enamel / ultrastructure*
Materials Testing
Microscopy, Electron, Scanning
Polyethylene Glycols / chemistry
Polymethacrylic Acids / chemistry
Resin Cements / chemistry*
Shear Strength
Silicon Compounds / chemistry
Stress, Mechanical
Surface Properties
Time Factors
Water / chemistry
Reg. No./Substance:
0/Carbon Compounds, Inorganic; 0/Clearfil Tri-S Bond; 0/Composite Resins; 0/Optibond; 0/Polyethylene Glycols; 0/Polymethacrylic Acids; 0/Resin Cements; 0/Silicon Compounds; 0/iBond; 109-16-0/triethylene glycol dimethacrylate; 409-21-2/silicon carbide; 7732-18-5/Water

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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