Bond strength of two universal adhesive systems to human dentin using different strategies
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Data
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Universidade Federal de Minas Gerais
Descrição
Tipo
Artigo de periódico
Título alternativo
Resistência de união de sistemas adesivos universais à dentina humana usando diferentes estratégias
Primeiro orientador
Membros da banca
Resumo
The objective of this study was to evaluate the microtensile bond strength (μTBS) to dentin of two universal adhesive systems: Single Bond Universal (SBU) and Ambar Universal (AU), used in different adhesion strategies. Materials and Method: Thirty-six human teeth were prepared (n=6) and treated following different adhesive strategies: G1: SBU-etch-and-rinse, applied on dry dentin; G2: SBUetch- and-rinse, applied on moist dentin; G3: SBU-self-etching; G4: AU-etch-and-rinse, applied on dry dentin; G5: AU-etch-and-rinse, applied on moist dentin; G6: AU-self-etching. The specimens were submitted to μTBS test, failure analysis, and scanning electron microscopy (SEM). Data were analyzed with ANOVA and Tukey’s tests (p<0.05). Results: Microtensile bond strength was significantly lower in G1 than G2 and G3. AU adhesive performed worse than the SBU system, except in G5. Cohesive and mixed failures predominated in G1 and G2, while adhesive failures predominated in G3 and G5. Conclusions: Universal adhesives are an interesting innovation, but there are still doubts about their performance, mainly regarding the different protocols provided by the manufacturers. The conventional adhesive strategy on moist dentin demonstrated higher μTBS for both adhesives. The use of the selfetching strategy with the SBU showed promising results.
Abstract
Assunto
Odontologia, Odontologia - Estética
Palavras-chave
Dental Bonding, Dentin, Adhesive
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Endereço externo
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10283391/#