Effect of warm air-drying on dentin bond strength of single-step self-etch adhesives

Ogura, Yukari; Shimizu, Yusuke; Shiratsuchi, Koji; Tsujimoto, Akimasa; Takamizawa, Toshiki; Ando, Susumu; Miyazaki, Masashi

doi:10.4012/dmj.2011-258

Cited by 22 publications

(24 citation statements)

References 23 publications

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“…Another simple approach to improve bonding efficacy and stability is to enhance solvent evaporation. Warm airdrying of the adhesive may help remove interfacial water and improve bonding effectiveness (84). Cavity geometry is also an important issue and usually differs from the flat adherent surface used in tests of bond strength.…”

Section: Adhesives In Self-etch Systemsmentioning

confidence: 99%

Important compositional characteristics in the clinical use of adhesive systems

et al. 2014

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Improvements in dentin bonding systems have influenced modern restorative dentistry. The desire for minimal invasiveness has resulted in moreconservative cavity design, which basically relies on the effectiveness of current dentin bonding systems. Interaction of adhesives with enamel and dentin is based on two systems, commonly described as etchand-rinse and self-etch. Priming and bonding agents can be separate or combined, resulting in two-or three-step systems for etch-and-rinse adhesives and one-or two-step systems for self-etch adhesives. Selfetch systems use acidic functional monomers that simultaneously demineralize and impregnate tooth structures. Etch-and-rinse and self-etch systems have advantages and disadvantages, which are primarily related to the simplified bonding procedures required under clinical conditions. Knowledge of the composition, characteristics, and mechanisms of adhesion for each adhesive system is critical in selecting the ideal adhesive materials for clinical use. (J Oral Sci 56, 1-9, 2014)

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Section: Adhesives In Self-etch Systemsmentioning

confidence: 99%

Important compositional characteristics in the clinical use of adhesive systems

et al. 2014

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“…In addition, the solvent in Adper Single Bond 2 is based on ethanol, which reduces viscosity 23 . Studies of acetone-based adhesives may present different results since the higher vapor pressure of acetone increases solvent evaporation 22,24 . Furthermore, 37% phosphoric acid etching completely removes the smear layer and changes the energy surface of dentin 2 .…”

Section: Discussionmentioning

confidence: 99%

“…The explanation for this distinct behavior is probably linked to the vapor pressure of acetone, which is higher than that of ethanol, positively affecting solvent evaporation 22,24 . The monomeric structure is not altered following a controlled temperature rise, and some interfacial degradation is expected to occur regardless of adhesive heating 20,21,25 .…”

Section: Discussionmentioning

confidence: 99%

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Influence of a heating device and adhesive temperature on bond strength of a simplified ethanol-based adhesive system

Carvalho

Rocha

Krejci

et al. 2016

Rev. odontol. UNESP

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ResumoIntrodução: O aumento da temperatura do adesivo tem sido pesquisado como forma de melhorar a evaporação do solvente, reduzir a viscosidade e melhorar a permeação dos monômeros na dentina. Objetivo: Investigar a influência de diferentes métodos de aquecimento na resistência de união à dentina sob um ensaio de microtração de um adesivo de condicionamento ácido total. Material e método: Vinte e quatro terceiros molares hígidos foram seccionados transversalmente a fim de expor a superfície plana da dentina. As amostras foram condicionadas ácido fosfórico a 37% e dividido em três grupos (n=8). São eles: 1) Controle -onde o adesivo (Adper Single Bond 2, 3M ESPE) foi aplicado em temperatura normal (25°C); 2) Dispositivo de aquecimento -O adesivo foi aquecido em um dispositivo específico até alcançar a temperatura de 37°C e só então aplicado à dentina; 3) Ar quente -Usou-se jato de ar aquecido a 50°C por 10 segundos a uma distância de 10cm para facilitar a evaporação do solvente. Os espécimes foram restaurados com resina composta (Filtek Z250 A2, 3M ESPE) e preparados para o ensaio de microtração, após 24h de armazenamento em água destilada. Os dados obtidos foram submetidos para análise de variância (ANOVA) e teste de Tukey (p<0,05). Resultado: Não houve diferença significativa entre os grupos (p>0,05). As médias da resistência de união para o grupo controle, dispositivo de aquecimento e ar quente foram, respectivamente, 48,5 (± 5,2), 40,35 (± 4,9), e 47,2 (± 5,3). Conclusão: Os diferentes métodos de aquecimento não influenciaram significativamente na resistência de união imediata à dentina de um Sistema adesivo de condicionamento ácido total.Descritores: Adesivos dentinários; dentina; temperarutra; adesão. AbstractIntroduction: Increased adhesive temperature has been reported to promote solvent evaporation, reduce viscosity, and improve monomeric permeation into dentin. Objective: The aim of this study was to determine the influence of different heating methods on the microtensile bond strength of an etch-and-rinse adhesive to dentin. Material and method: Twenty-four caries-free extracted human third molars were transversally sectioned to expose a flat dentinal surface. The samples were etched with 37% phosphoric acid gel and divided into three groups (n = 8): 1) Control -the adhesive system (Adper Single Bond 2; 3M ESPE) was applied at room temperature; 2) Warming device -the adhesive was warmed to 37°C in a custom device before application; and 3) Warm air -the adhesive was warmed to 50°C with an air jet after application on dentin. The specimens were restored with a composite resin (Filtek Z250 A2, 3M ESPE) and prepared for microtensile bond strength testing, after 24 h in water storage. The data were subjected to one-way ANOVA and Tukey's test (p < 0.05). Result: There was no significant difference among the groups (p > 0.05). The mean bond strength values in the control, the warming device, and the warm air groups were 48.5 (± 5.2), 40.35 (± 4.9), and 47.2 (± 5.3) MPa, respectively (p = 0.05). Conclusion: T...

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“…Therefore, all cases were performed by the same operator. In addition, since the temperature of the blown air affects the bond strength of self-etching primer [15,18,19], all cases were performed in the same unit (Silona M1-F).…”

Section: Discussionmentioning

confidence: 99%