<i>In vivo</i> and <i>in vitro</i> Permeability of One-step Self-etch Adhesives

Chersoni, Stefano; Suppa, Pietro; Grandini, Simone; Goracci, Cecilia; Monticelli, Francesca; Yiu, Cynthia Kar Yung; Huang, Cui; Prati, Carlo; Breschi, Lorenzo; Ferrari, Marco; Pashley, DH; Tay, FR

doi:10.1177/154405910408300605

Cited by 127 publications

(124 citation statements)

References 16 publications

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“…[5][6][7] The adverse effect of one-step self-etch adhesive hydrophilicity on bonding to dentin has been reported. [8][9][10][11][12] In vitro dentin bond strength tests indicate that the hydrophilicity of one-step self-etch adhesives is a contributive cause for reduced short-term 13 and medium-term values.…”

Section: Introductionmentioning

confidence: 99%

“…The clinical performance of one-step self-etch adhesive systems has been shown to have inferior clinical success rates when compared with two-step or three-step self-etch and etch-and-rinse systems. 16 In vivo evidence of water blistering within and protruding from the one-step self-etch adhesive layer has also been documented, 8,17 especially for HEMA-containing formulations. The water diffusion channels are made visible in cross-sectional images by ammonical silver nitrate tracing, 18 revealing geometries that imply the outward fluid flow from a moist substrate and dentinal tubules.…”

Section: Introductionmentioning

confidence: 99%

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Clinical Effectiveness of a Hydrophobic Coating Used in Conjunction With a One-step Self-etch Adhesive: An 18-month Evaluation

Sartori

Peruchi²,

Guimarães

et al. 2013

Operative Dentistry

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This 18-month clinical evaluation showed that the use of a hydrophobic resin coat over a one-step self-etch adhesive does not improve clinical performance in noncarious cervical lesions. SUMMARYThe purpose of this randomized clinical trial was to evaluate the clinical performance of a one-step self-etch adhesive in noncarious cervical lesions with inclusion of a hydrophobic bonding layer not included in the original bonding system as a test of potentially improved bonding. Patients with noncarious cervical lesions received two or four restorations after being randomly assigned to two adhesive technique protocols (n=32): EB, application of Adper Easy Bond (3M ESPE) following manufacturer's instructions; and EB+B, application of Adper Easy Bond, immediately followed by the application of a hydrophobic resin coat (Scotchbond Multi-Purpose Bonding Agent, 3M ESPE). All restorations were restored with a microhybrid composite (Filtek Z250, 3M ESPE). Clinical effectiveness was recorded in terms of retention, marginal discoloration, marginal integrity, postoperative sensitivity,

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Clinical Effectiveness of a Hydrophobic Coating Used in Conjunction With a One-step Self-etch Adhesive: An 18-month Evaluation

Sartori

Peruchi²,

Guimarães

et al. 2013

Operative Dentistry

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“…[1][2][3][4][5][6][7][8] An effective, long-lasting tooth-restoration bond is desirable, because it would prevent microleakage and, consequently, inhibit the development of secondary caries. This would allow for conservative cavity preparations with less need for mechanical retention.…”

Section: Introductionmentioning

confidence: 99%

2-year Clinical Evaluation of Sodium Hypochlorite Treatment in the Restoration of Non-carious Cervical Lesions: A Pilot Study

Saboia

Almeida

Ritter

et al. 2006

Operative Dentistry

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This pilot study evaluated the effect of removing acid-etch-exposed dentin collagen on the clinical performance of composite restorations of noncarious cervical lesions placed using 2 different adhesive systems. Fifty-six restorations were placed in 14 subjects, each subject receiving at least 4 restorations. No cavity preparation or mechanical retention form was used. The variables tested were: 1) dentin treatment prior to application of the adhesive (acid-etch only vs acid-etch and collagen removal) and 2) type of adhesive (acetone-vs ethanol-based). For the acid-etch only groups, enamel and dentin were etched with 37% phosphoric acid for 15 seconds, rinsed and blot dried. Prime & Bond 2.1 (Dentsply Caulk) or Single Bond (3M ESPE) was applied and light-cured according to the manufacturer's instructions. For the acid-etch and collagen removal groups, the enamel and dentin were etched and rinsed in the same manner and a 10% sodium hypochlorite (NaOCl) solution was applied for 60 seconds and rinsed before adhesive application. Filtek Z-250 (3M ESPE) was applied to all specimens and light-cured according to the manufacturer's instructions, and the restorations were finished and polished immedi- The use of 10% sodium hypochlorite to remove exposed collagen after acid-etching did not affect the clinical performance of composite restorations of non-carious cervical lesions. Saboia & Others: Clinical Evaluation of NaOCl Dentin Treatment in Non-carious Cervical Lesionsately. The restorations were evaluated for preand post-operative sensitivity, retention, marginal staining and secondary caries at baseline, 12 and 24 months after placement, using modified USPHS criteria. Data were analyzed using the Kruskal-Wallis and Wilcoxon statistical tests (p=0.05). At 24 months, the retention rates for Prime & Bond 2.1 with and without NaOCl pretreatment were 80% and 63%, respectively. The corresponding retention rates for Single Bond were 70% and 90%. Marginal staining was minimal. Statistical analyses revealed no significant differences at any time interval between groups for retention or marginal staining. No post-operative sensitivity or secondary caries was detected during the study.

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“…Simplified adhesive resins have been shown to act as semi-permeable membranes permitting water penetration through the resin-dentin interfaces [13,14], resulting in reduced bond durability [15][16][17][18]. Studies have reported that the permeability phenomenon could be attributed to the presence of incompletely polymerized acidic monomers within the hybrid layer or dentinal tubules [13,19,20].…”

Section: Introductionmentioning

confidence: 99%

Effect of polymerization protocol on the degree of conversion of photo- and dual-polymerized self-etch adhesives

Moharam¹,

Botros

El-Askary

et al. 2015

Journal of Adhesion Science and Technology

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(2016). Effect of polymerization protocol on the degree of conversion of photo-and dual-polymerized self-etch adhesives. Journal of Adhesion Science and Technology, 30(3) Bond Universal DC, 3M ESPE) were tested. All adhesives were applied on potassium bromide pellets (KBr) following the manufacturer's instructions. The KBr pellets were divided into 10 experimental groups for the photo-polymerized adhesives and 12 experimental groups for the dual-polymerized adhesives according to the two levels of the study, Level 1: Polymerization protocol and Level 2: Adhesive system. For the photo-polymerized adhesives, the adhesives were polymerized either at 1 mm or 10 mm from the KBr pellets. For the photo-polymerized adhesives, the adhesives were photo-polymerized either at 1 mm or 10 mm distance or polymerized chemically. The DC% of the unpolymerized and polymerized adhesives was assessed using Fourier transform infrared spectroscopy (FTIR). Data were analyzed using two-Way ANOVA to evaluate the effect of polymerization protocol, adhesive system and their interaction on the DC% of the self-etch adhesives. For the photo-polymerized and dual-polymerized adhesives, one-Way ANOVA and Tukey HSD post hoc test was used to evaluate the effect of adhesive system within each polymerization protocol and the effect of polymerization protocol within each adhesive for the dual-polymerized adhesives (p=0.05). Student t-test was used to compare the effect of polymerization distances within each photo-polymerized adhesive. For both photo-and dual-polymerized adhesives, the polymerization protocol and adhesive system had a significant effect on the DC (p=0.000). The interaction between the two factors (polymerization protocol and adhesive system) revealed also a significant effect on the DC% of the different 3 adhesives (p=0.000). Polymerization distance of 1 mm showed significantly higher DC% compared to 10 mm distance. When the dual-polymerized adhesives were left to set chemically, they showed the lowest DC% among all polymerization protocols. DC varied depending on the chemical composition of the self-etch adhesives. The tip of the polymerization device should be positioned as close as possible to the surface to achieve higher DC% of the tested adhesives. Photo-polymerization of the dualpolymerized self-etch adhesives is a mandatory step to improve their DC.

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In vivo and in vitro Permeability of One-step Self-etch Adhesives

Cited by 127 publications

References 16 publications

Clinical Effectiveness of a Hydrophobic Coating Used in Conjunction With a One-step Self-etch Adhesive: An 18-month Evaluation

Clinical Effectiveness of a Hydrophobic Coating Used in Conjunction With a One-step Self-etch Adhesive: An 18-month Evaluation

2-year Clinical Evaluation of Sodium Hypochlorite Treatment in the Restoration of Non-carious Cervical Lesions: A Pilot Study

Effect of polymerization protocol on the degree of conversion of photo- and dual-polymerized self-etch adhesives

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