Bond strengths of three-step etch-and-rinse adhesives to silane contaminated dentin

Vasavat Soontornvatin; Taweesak Prasansuttiporn; Ornnicha Thanatvarakorn; Sumana Jittidecharaks; Keiichi Hosaka; Richard M. Foxton; Masatoshi Nakajima

doi:10.4012/dmj.2020-025

Bond strengths of three-step etch-and-rinse adhesives to silane contaminated dentin

Vasavat Soontornvatin, Taweesak Prasansuttiporn, Ornnicha Thanatvarakorn, Sumana Jittidecharaks, Keiichi Hosaka, Richard M. Foxton, Masatoshi Nakajima

Centre for Dental Education

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

This study aimed to evaluate the effect of silane coupling agent contamination on the microtensile bond strength (μTBS) of 3-step etch-and-rinse adhesives on dentin. Flat occlusal dentin surfaces were prepared and randomly divided into 8 groups (n=20) based on the tested adhesives; Scotchbond Multi-purpose or Optibond FL, with contamination of an experimental silane (2 vol% of 3-m ethacryloxypropyltrimethoxysilane at pH 4.5) before acid-etching, after-etching or after-priming; while the groups without silane contamination served as controls. μTBS data were analyzed by two-way ANOVA and Tukey’s HSD tests at a significance level of 0.05. Additional specimens of contaminated dentin were used to analyze changes in the organic molecules by Fourier transform infrared spectroscopy (FTIR). Silane contamination before acid-etching did not significantly change μTBS (p>0.05), but contamination afteretching and after-priming significantly decreased ^TBS of both adhesives (p<0.05). Silane contamination had an adverse effect on the dentin bond strength of 3-step etch-and-rinse adhesives especially after-priming.

Original language	English
Article number	dmj/2020-025
Pages (from-to)	385-392
Number of pages	8
Journal	Dental materials journal
Volume	40
Issue number	2
DOIs	https://doi.org/10.4012/dmj.2020-025
Publication status	Published - 31 Mar 2021

Keywords

3-step etch-and-rinse adhesive
Ceramic repairing
Contamination
Microtensile bond strength
Silane coupling agent

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10.4012/dmj.2020-025

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title = "Bond strengths of three-step etch-and-rinse adhesives to silane contaminated dentin",

abstract = "This study aimed to evaluate the effect of silane coupling agent contamination on the microtensile bond strength (μTBS) of 3-step etch-and-rinse adhesives on dentin. Flat occlusal dentin surfaces were prepared and randomly divided into 8 groups (n=20) based on the tested adhesives; Scotchbond Multi-purpose or Optibond FL, with contamination of an experimental silane (2 vol% of 3-m ethacryloxypropyltrimethoxysilane at pH 4.5) before acid-etching, after-etching or after-priming; while the groups without silane contamination served as controls. μTBS data were analyzed by two-way ANOVA and Tukey{\textquoteright}s HSD tests at a significance level of 0.05. Additional specimens of contaminated dentin were used to analyze changes in the organic molecules by Fourier transform infrared spectroscopy (FTIR). Silane contamination before acid-etching did not significantly change μTBS (p>0.05), but contamination afteretching and after-priming significantly decreased ^TBS of both adhesives (p<0.05). Silane contamination had an adverse effect on the dentin bond strength of 3-step etch-and-rinse adhesives especially after-priming.",

keywords = "3-step etch-and-rinse adhesive, Ceramic repairing, Contamination, Microtensile bond strength, Silane coupling agent",

author = "Vasavat Soontornvatin and Taweesak Prasansuttiporn and Ornnicha Thanatvarakorn and Sumana Jittidecharaks and Keiichi Hosaka and Foxton, {Richard M.} and Masatoshi Nakajima",

note = "Funding Information: This research work was partially supported by Chiang Mai University (Grant No. CoE63-P005). Publisher Copyright: {\textcopyright} 2021, Japanese Society for Dental Materials and Devices. All rights reserved. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.",

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AU - Soontornvatin, Vasavat

AU - Prasansuttiporn, Taweesak

AU - Thanatvarakorn, Ornnicha

AU - Jittidecharaks, Sumana

AU - Hosaka, Keiichi

AU - Foxton, Richard M.

AU - Nakajima, Masatoshi

N1 - Funding Information: This research work was partially supported by Chiang Mai University (Grant No. CoE63-P005). Publisher Copyright: © 2021, Japanese Society for Dental Materials and Devices. All rights reserved. Copyright: Copyright 2021 Elsevier B.V., All rights reserved.

PY - 2021/3/31

Y1 - 2021/3/31

N2 - This study aimed to evaluate the effect of silane coupling agent contamination on the microtensile bond strength (μTBS) of 3-step etch-and-rinse adhesives on dentin. Flat occlusal dentin surfaces were prepared and randomly divided into 8 groups (n=20) based on the tested adhesives; Scotchbond Multi-purpose or Optibond FL, with contamination of an experimental silane (2 vol% of 3-m ethacryloxypropyltrimethoxysilane at pH 4.5) before acid-etching, after-etching or after-priming; while the groups without silane contamination served as controls. μTBS data were analyzed by two-way ANOVA and Tukey’s HSD tests at a significance level of 0.05. Additional specimens of contaminated dentin were used to analyze changes in the organic molecules by Fourier transform infrared spectroscopy (FTIR). Silane contamination before acid-etching did not significantly change μTBS (p>0.05), but contamination afteretching and after-priming significantly decreased ^TBS of both adhesives (p<0.05). Silane contamination had an adverse effect on the dentin bond strength of 3-step etch-and-rinse adhesives especially after-priming.

AB - This study aimed to evaluate the effect of silane coupling agent contamination on the microtensile bond strength (μTBS) of 3-step etch-and-rinse adhesives on dentin. Flat occlusal dentin surfaces were prepared and randomly divided into 8 groups (n=20) based on the tested adhesives; Scotchbond Multi-purpose or Optibond FL, with contamination of an experimental silane (2 vol% of 3-m ethacryloxypropyltrimethoxysilane at pH 4.5) before acid-etching, after-etching or after-priming; while the groups without silane contamination served as controls. μTBS data were analyzed by two-way ANOVA and Tukey’s HSD tests at a significance level of 0.05. Additional specimens of contaminated dentin were used to analyze changes in the organic molecules by Fourier transform infrared spectroscopy (FTIR). Silane contamination before acid-etching did not significantly change μTBS (p>0.05), but contamination afteretching and after-priming significantly decreased ^TBS of both adhesives (p<0.05). Silane contamination had an adverse effect on the dentin bond strength of 3-step etch-and-rinse adhesives especially after-priming.

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KW - Ceramic repairing

KW - Contamination

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ER -

Bond strengths of three-step etch-and-rinse adhesives to silane contaminated dentin

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