Ellagic acid on the quality of the adhesive interface of class I composite resin restorations after aging

Josué Junior Araújo Pierote; Lucia Trazzi Prieto; Júlia Marques Pires; João Victor Frazão Câmara; Cíntia Tereza Pimenta de Araújo; Isabel Ferreira Barbosa; Gisele Damiana da Silveira Pereira; Justine Monteiro Monnerat Tinoco; Renato Feres de Carvalho Vianna; Hana  Fried; Sonia Groisman; Luis Alexandre Maffei Sartini Paulillo

doi:10.14393/BJ-v38n0a2022-61206

Autores

Josué Junior Araújo Pierote Universidade Estadual de Campinas
Lucia Trazzi Prieto Universidade Estadual de Campinas
Júlia Marques Pires Universidade Estadual de Campinas
João Victor Frazão Câmara Universidade de São Paulo https://orcid.org/0000-0002-9687-4401
Cíntia Tereza Pimenta de Araújo Universidade Estadual de Campinas https://orcid.org/0000-0002-1904-6258
Isabel Ferreira Barbosa Universidade Estadual de Campinas
Gisele Damiana da Silveira Pereira Universidade Federal do Rio de Janeiro https://orcid.org/0000-0002-0511-5486
Justine Monteiro Monnerat Tinoco Universidade Federal do Rio de Janeiro
Renato Feres de Carvalho Vianna Universidade Federal do Rio de Janeiro
Hana Fried Universidade Federal do Rio de Janeiro
Sonia Groisman Universidade Federal do Rio de Janeiro
Luis Alexandre Maffei Sartini Paulillo Universidade Estadual de Campinas

DOI:

https://doi.org/10.14393/BJ-v38n0a2022-61206

Palavras-chave:

Dental adhesives, Ellagic acid, Microscopy, Electron, Scanning Transmission.

Resumo

Objective: To evaluate the effect of ellagic acid on the inhibition of matrix metalloproteinase by analyzing the quality of the adhesive interface with bond strength measures in periods of 24 hours and six months of storage. Method: 40 healthy human third molars were prepared with class I cavities (5x4x3mm). The teeth were divided into four experimental groups: Group 1- without application of ellagic acid and storage time of 24 hours; Group 2- with ellagic acid/24 hours; G3- without ellagic acid/six months; Group 4- with ellagic acid/six months. Then, the cavities were restored with Single Bond Universal adhesive and Z350 composite resin, with and without the previous application of ellagic acid. Subsequently, hourglass-shaped specimens were obtained and subjected to the bond strength (BS) test (n = 10) in a universal testing machine. The bond test was performed after 24 hours and six months of storage. For the standard evaluation (n = 3) the samples were infiltrated with silver nitrate and placed in a developing solution for analysis in a Scanning Electron Microscope (SEM). The data obtained were analyzed with the Kruskal-Wallis non-parametric test, showing a statistically significant difference. Results: The highest bond strength values were found for the 24-hour groups followed by the groups with six months of storage. For nano-infiltration, groups G1 and G2 showed lower infiltration than groups G3 and G4. Conclusion: The previous application of ellagic acid did not affect the BS of the adhesive interface of the adhesive system analyzed, regardless of storage time.

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