Evaluation of marginal infiltration by varying the adhesive protocol

in vitro study

Authors

DOI:

https://doi.org/10.47385/cadunifoa.v20.n55.5530

Keywords:

Composite Resins, Dental Leakage, Dentin

Abstract

Aim: The aim of this study was to evaluate the sealing of composite resin restorations, observing marginal infiltration through a conventional resin by varying the adhesive technique. Materials and Methods: Cavity preparations were performed on the buccal and lingual surfaces with margins at the cement-enamel junction. The samples were divided into three groups (n=10): Group 1-Selective conditioning technique; Group 2-Total conditioning technique; Group 3-Non conditioning. After, the restorations were made using conventional composite resin, immersed in methylene blue (C16H18ClN3S) for seven days and evaluated in a standardized manner, through scores, and analyzed the penetration depth of the dye. Results: The data were submitted to the Tukey test with a significance level of 5%. The results showed that the samples that were not conditioned obtained the highest infiltration rates (p=0.0001). Discussion: The integrity of  the margins of a restoration is essential to clinical success, since its absence is directly related to the emergence of interface infiltrations. Conclusion: The authors concluded that the worst group was the one without etching; enamel showed less infiltration than dentin for all groups; the technique of selective etching and total etching obtained similar results regarding microleakage.

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Author Biographies

Luis, São Paulo State University

Master's student in Restorative Dentistry at the Institute of Science and Technology of Unesp. Graduated in Dentistry from the University Center of Volta Redonda.

Rafaela, University Center of Volta Redonda

Postgraduate lato sensu in Dental Prosthetics from the Volta Redonda University Center. Graduated in Dentistry from the Volta Redonda University Center.

Camila, São Paulo State University

Master's student in Endodontics at the Institute of Science and Technology of Unesp. Graduated in Dentistry from the University Center of Volta Redonda.

Ítalo, São Paulo State University

Master's student in Restorative Dentistry at the Institute of Science and Technology of Unesp. Graduated in Dentistry from the University Center of Volta Redonda.

Tereza, University Center of Volta Redonda

PhD in Materials Engineering from the Fluminense Federal University. Professor of Dentistry at the Volta Redonda University Center.

References

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Published

2025-05-08

How to Cite

ABBADO DE SOUZA, Luis Felipe; ESTEFÂNIO FATIGATTI, Rafaela; GOBBI DE CARVALHO BARBOSA, Camila; CARDOSO DE CARVALHO, Ítalo; FAVIERI DE MELO SILVA, Tereza Cristina. Evaluation of marginal infiltration by varying the adhesive protocol: in vitro study. Cadernos UniFOA, Volta Redonda, v. 20, n. 55, p. 1–7, 2025. DOI: 10.47385/cadunifoa.v20.n55.5530. Disponível em: https://revistas.unifoa.edu.br/cadernos/article/view/5530. Acesso em: 9 may. 2025.

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Section

Ciências Biológicas e da Saúde

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