Effect of chemical interaction on the bonding strengths of self-etching adhesives to deproteinised dentine

Liqun Zhou, Yake Wang, Hongye Yang, Jinxin Guo, Franklin Chi Meng Tay, Cui Huang

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Objectives The present study examined (1) the chemical interaction between three self-etching adhesives and sodium hypochlorite (NaOCl)-deproteinised dentine, and (2) the influence of NaOCl treatment on bond strength of self-etching adhesives with/without adhesive functional monomers to dentine. Methods Caries-free dentine disks (control) and those treated with 5.25% NaOCl for 60 s were prepared. Xeno V (no functional monomers), G-Bond (containing 4-MET) or S3 Bond (containing 10-MDP) were applied to the NaOCl-treated dentine and either left without further treatment, or rinsed with 100% ethanol or distilled water. Attenuated total reflection (ATR) spectroscopy and field-emission scanning electron microscopy (FE-SEM) were used to evaluate the affinity of functional monomers with deproteinised dentine. Chemical interaction between the functional monomers and deproteinised dentine was evaluated using thin-film X-ray diffraction (TF-XRD). Microtensile bond strength (MTBS) was used to evaluate the mechanical property of the adhesives, either immediately or after thermo-cycling (5-55 °C) for 10,000 cycles. Results According to the ATR and FE-SEM results, G-Bond and S3 Bond showed stronger affinity to deproteinised dentine than Xeno V even after rinsing with water. TF-XRD showed that chemical interaction between S3 Bond and deproteinised dentine occurred by formation of 10-MDP-Ca salt. Both deproteinisation and thermo-cycling adversely affected the MTBS of Xeno V (P < 0.05) but deproteinisation had no significant influence on S3 Bond. Conclusions When bonding to NaOCl-treated dentine, self-etch adhesives containing functional monomers (10-MDP) can maintain immediate and aged bond strengths after 10,000 thermal cycles.

Original languageEnglish (US)
Pages (from-to)973-980
Number of pages8
JournalJournal of Dentistry
Volume43
Issue number8
DOIs
StatePublished - Aug 1 2015

Fingerprint

Dentin
Adhesives
X-Ray Diffraction
Electron Scanning Microscopy
Sodium Hypochlorite
Water
Spectrum Analysis
Ethanol
Salts
Hot Temperature

Keywords

  • Adhesive
  • Functional monomer
  • Microtensile bond strengths
  • Sodium hypochlorite, Self-etching

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Effect of chemical interaction on the bonding strengths of self-etching adhesives to deproteinised dentine. / Zhou, Liqun; Wang, Yake; Yang, Hongye; Guo, Jinxin; Tay, Franklin Chi Meng; Huang, Cui.

In: Journal of Dentistry, Vol. 43, No. 8, 01.08.2015, p. 973-980.

Research output: Contribution to journalArticle

Zhou, Liqun ; Wang, Yake ; Yang, Hongye ; Guo, Jinxin ; Tay, Franklin Chi Meng ; Huang, Cui. / Effect of chemical interaction on the bonding strengths of self-etching adhesives to deproteinised dentine. In: Journal of Dentistry. 2015 ; Vol. 43, No. 8. pp. 973-980.
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abstract = "Objectives The present study examined (1) the chemical interaction between three self-etching adhesives and sodium hypochlorite (NaOCl)-deproteinised dentine, and (2) the influence of NaOCl treatment on bond strength of self-etching adhesives with/without adhesive functional monomers to dentine. Methods Caries-free dentine disks (control) and those treated with 5.25{\%} NaOCl for 60 s were prepared. Xeno V (no functional monomers), G-Bond (containing 4-MET) or S3 Bond (containing 10-MDP) were applied to the NaOCl-treated dentine and either left without further treatment, or rinsed with 100{\%} ethanol or distilled water. Attenuated total reflection (ATR) spectroscopy and field-emission scanning electron microscopy (FE-SEM) were used to evaluate the affinity of functional monomers with deproteinised dentine. Chemical interaction between the functional monomers and deproteinised dentine was evaluated using thin-film X-ray diffraction (TF-XRD). Microtensile bond strength (MTBS) was used to evaluate the mechanical property of the adhesives, either immediately or after thermo-cycling (5-55 °C) for 10,000 cycles. Results According to the ATR and FE-SEM results, G-Bond and S3 Bond showed stronger affinity to deproteinised dentine than Xeno V even after rinsing with water. TF-XRD showed that chemical interaction between S3 Bond and deproteinised dentine occurred by formation of 10-MDP-Ca salt. Both deproteinisation and thermo-cycling adversely affected the MTBS of Xeno V (P < 0.05) but deproteinisation had no significant influence on S3 Bond. Conclusions When bonding to NaOCl-treated dentine, self-etch adhesives containing functional monomers (10-MDP) can maintain immediate and aged bond strengths after 10,000 thermal cycles.",
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T1 - Effect of chemical interaction on the bonding strengths of self-etching adhesives to deproteinised dentine

AU - Zhou, Liqun

AU - Wang, Yake

AU - Yang, Hongye

AU - Guo, Jinxin

AU - Tay, Franklin Chi Meng

AU - Huang, Cui

PY - 2015/8/1

Y1 - 2015/8/1

N2 - Objectives The present study examined (1) the chemical interaction between three self-etching adhesives and sodium hypochlorite (NaOCl)-deproteinised dentine, and (2) the influence of NaOCl treatment on bond strength of self-etching adhesives with/without adhesive functional monomers to dentine. Methods Caries-free dentine disks (control) and those treated with 5.25% NaOCl for 60 s were prepared. Xeno V (no functional monomers), G-Bond (containing 4-MET) or S3 Bond (containing 10-MDP) were applied to the NaOCl-treated dentine and either left without further treatment, or rinsed with 100% ethanol or distilled water. Attenuated total reflection (ATR) spectroscopy and field-emission scanning electron microscopy (FE-SEM) were used to evaluate the affinity of functional monomers with deproteinised dentine. Chemical interaction between the functional monomers and deproteinised dentine was evaluated using thin-film X-ray diffraction (TF-XRD). Microtensile bond strength (MTBS) was used to evaluate the mechanical property of the adhesives, either immediately or after thermo-cycling (5-55 °C) for 10,000 cycles. Results According to the ATR and FE-SEM results, G-Bond and S3 Bond showed stronger affinity to deproteinised dentine than Xeno V even after rinsing with water. TF-XRD showed that chemical interaction between S3 Bond and deproteinised dentine occurred by formation of 10-MDP-Ca salt. Both deproteinisation and thermo-cycling adversely affected the MTBS of Xeno V (P < 0.05) but deproteinisation had no significant influence on S3 Bond. Conclusions When bonding to NaOCl-treated dentine, self-etch adhesives containing functional monomers (10-MDP) can maintain immediate and aged bond strengths after 10,000 thermal cycles.

AB - Objectives The present study examined (1) the chemical interaction between three self-etching adhesives and sodium hypochlorite (NaOCl)-deproteinised dentine, and (2) the influence of NaOCl treatment on bond strength of self-etching adhesives with/without adhesive functional monomers to dentine. Methods Caries-free dentine disks (control) and those treated with 5.25% NaOCl for 60 s were prepared. Xeno V (no functional monomers), G-Bond (containing 4-MET) or S3 Bond (containing 10-MDP) were applied to the NaOCl-treated dentine and either left without further treatment, or rinsed with 100% ethanol or distilled water. Attenuated total reflection (ATR) spectroscopy and field-emission scanning electron microscopy (FE-SEM) were used to evaluate the affinity of functional monomers with deproteinised dentine. Chemical interaction between the functional monomers and deproteinised dentine was evaluated using thin-film X-ray diffraction (TF-XRD). Microtensile bond strength (MTBS) was used to evaluate the mechanical property of the adhesives, either immediately or after thermo-cycling (5-55 °C) for 10,000 cycles. Results According to the ATR and FE-SEM results, G-Bond and S3 Bond showed stronger affinity to deproteinised dentine than Xeno V even after rinsing with water. TF-XRD showed that chemical interaction between S3 Bond and deproteinised dentine occurred by formation of 10-MDP-Ca salt. Both deproteinisation and thermo-cycling adversely affected the MTBS of Xeno V (P < 0.05) but deproteinisation had no significant influence on S3 Bond. Conclusions When bonding to NaOCl-treated dentine, self-etch adhesives containing functional monomers (10-MDP) can maintain immediate and aged bond strengths after 10,000 thermal cycles.

KW - Adhesive

KW - Functional monomer

KW - Microtensile bond strengths

KW - Sodium hypochlorite, Self-etching

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