Evaluation of microtensile bond strength of self-etching adhesives on normal and caries-affected dentin

Shibata, S; Vieira, Luiz Clóvis Cardoso; Fu, Jiyang; Hoshika, Shuichi; Matsuda, Yasuhiro; Sano, Hidehiko

doi:10.4012/dmj.2014-330

Cited by 25 publications

(19 citation statements)

References 26 publications

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“…A range of factors, including the structural, physical and chemical characteristics of substrate, might affect the bonding effectiveness of an adhesive system (Bahari et al, 2014;Marshall et al, 1997;Pinna et al, 2015;Shibata et al, 2016). Minimally invasive treatment of cavitated dentin lesions is based on preservation of caries-free tissue but might leave limited cariesaffected tissue.…”

Section: Discussionmentioning

confidence: 99%

Enhancing bond strength on demineralized dentin by pre-treatment with selective remineralising agents

Martins

Sousa

Castilho

et al. 2018

Journal of the Mechanical Behavior of Biomedical Materials

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Bonding to demineralized dentin of a diseased tooth has shown to be a significant clinical issue. This study evaluated the effect of 0.2% NaF-(NaF), MI Paste™-(CPP-ACP) and the self-assembling peptide 'P' (Ace-QQRFEWEFEQQ-NH) contained in Curodont™ Repair, have on microtensile bond strength-(µTBS) of two different adhesive systems (Adper™ Single Bond-(SB) or Clearfil™ SE Bond (CSE)) and wettability of demineralized dentin slices after remineralising agents were applied. The highest µTBS were found for the demineralized dentin-(DD) treated with CPP-ACP; both adhesives systems (p < 0.05) did not significantly difference from P treatment associated with SB, and also presented higher values than sound dentin-(SD/SB) (p < 0.01). DD treated with P associated with CSE did not differ from DD/CSE (p > 0.05). The NaF treatment associated with CSE recovered the bond strength values of SD/CSE and associated with CSE demonstrated lower µTBS than other groups, although significantly higher than DD (p < 0.05). P and CPP-ACP increased significantly the wettability of demineralized dentin (p < 0.05); etching acid improved wettability for all groups (p < 0.05), whilst NaF did not affect the wettability of demineralized dentin (p > 0.05). Morphological analysis of the dentin surface and dentin-resin interface revealed unique features of the applied remineralizing agent. The results indicated that self-assembling peptide P associated with SB and CPP-ACP associated with SB or CSE significantly enhanced the bond strength to demineralized dentin (p < 0.05). We conclude that by modifying the dentine surface and restoring conditions found on sound dentin, this can enhance the interfacial bonding.

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Section: Discussionmentioning

confidence: 99%

Enhancing bond strength on demineralized dentin by pre-treatment with selective remineralising agents

Martins

Sousa

Castilho

et al. 2018

Journal of the Mechanical Behavior of Biomedical Materials

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“…Organic nature of dentin and its higher humidity relative to enamel makes bonding to this hard tissue very difficult 2 . Compared to SD, bonding to CAD is characterized by the lower bond strength and inferior quality of the hybrid layer 10 . Owing to these discrepancies, the bonding efficacy of different adhesive systems with SD and CAD was extensively studied 18 .…”

Section: Discussionmentioning

confidence: 99%

“…Bonding to CAD is characterized by lower bond strength and inferior hybrid layer quality compared to bonding to SD, irrespective of the type of adhesive systemsemployed 10 . For the etch-and-rinse adhesives, discrepancies between the demineralization level and the extent of resin monomer infiltration have been reported.…”

Section: Introductionmentioning

confidence: 99%

Shear bond strength to sound and caries-affected dentin of sim-plified “etch-and-rinse” and “self-etch” adhesives and the hybrid layer micromorphology

et al. 2019

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Background/Aim. After removal of caries-infected dentin, a considerable area of the cavity floor comprising caries-affected dentin. Bonding to caries-affected dentin is characterized by lower bound strength and inferior hybrid layer guality compared to bonding to sound dentin. The purpose of study was to compare shear bond strength (SBS) of currently available adhesive systems to sound dentin (SD) and caries-affected dentin (CAD) and elucidate the hybrid layer micromorphology. Methods. Sixty extracted human molars with coronal carious lesions formed the experimental sample while additional sixty extracted intact human molars (impacted third molars) served as controls. Identification of a carious-affected dentin was carried out using visual identification (North Carolina Dentin Sclerosis Scale). Teeth from both the experimental and the control sample were allocated to one of the following three groups: Adper Single Bond Plus/Filtek Supreme XT (ASB/FS) (3M ESPE), AdheSE One/Tetric EvoCeram (AO/TEC) (Ivo-clarVivadent), and Prime&Bond NT/CeramX Mono (PB/CXM) (Dentsply). Bonding procedures utilized in this work were in line with the manufacturers' instructions. The SBS was measured using a universal testing apparatus. Hybrid layer micromorphology was observed under scanning electron microscope (SEM). The mean SBS values (MPa), and hybrid layer thickness (in µm) were statistically analyzed using the t-test, Mann-Whitney U-test, ANOVA, and Holm's test. Results.

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“…Clinically, the main bonding substrates for direct resin composite restorations are not normal dentin, but caries-affected dentin (CAD), after removal of the caries-infected dentin. However, it has been reported that the mechanical properties of CAD, such as tensile bond strength and hardness 1) , are inferior to those of sound dentin 2) . Since the bond strength of normal dentin decreases in the long term 3) , it has been thought that the durability of CAD bond strength is also decreased.…”

Section: Introductionmentioning

confidence: 99%

Influence of FCP-COMPLEX on bond strength and the adhesive–artificial caries-affected dentin interface

et al. 2018

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FCP-COMPLEX is a newly developed solution containing fluoride, calcium, and phosphoric acid that has the potential to reinforce caries-affected dentin. This study evaluated the effect of FCP-COMPLEX on micro-tensile bond strength (µTBS) and acid-challenge at the dentin-adhesive interface. FCP-COMPLEX, 2% NaF, and distilled water were applied to artificial caries-affected dentin (ACAD) and the effect on acid-induced damage after resin composite restoration was observed. Scanning electron microscopy and X-ray absorption fine structure (XAFS) were used to evaluate tooth morphology. The µTBS test revealed no effect of FCP-COMPLEX either immediately or after 3 months' storage. The area of acid damage in caries-affected dentin was reduced by FCP-COMPLEX. XAFS analysis revealed that absorbed fluorine on the surface would form CaF2. In conclusion, FCP-COMPLEX significantly reduced the damage of acidic attack at the ACAD-adhesive interface, while the µTBS value was maintained after storage.

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Evaluation of microtensile bond strength of self-etching adhesives on normal and caries-affected dentin

Cited by 25 publications

References 26 publications

Enhancing bond strength on demineralized dentin by pre-treatment with selective remineralising agents

Enhancing bond strength on demineralized dentin by pre-treatment with selective remineralising agents

Shear bond strength to sound and caries-affected dentin of sim-plified “etch-and-rinse” and “self-etch” adhesives and the hybrid layer micromorphology

Influence of FCP-COMPLEX on bond strength and the adhesive–artificial caries-affected dentin interface

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