Evaluation of different composite resin finishing and polishing protocols by confocal laser scan microscopy

Authors

DOI:

https://doi.org/10.20396/bjos.v21i00.8665334

Keywords:

Composite resins, Dental materials, Dental polishing

Abstract

Aim: This study aimed to analyze the influence of finishing and polishing (F/P) protocols on resin surface through roughness (Ra) values and laser scan microscopy observations. Methods: Forty-eight (n=48) resin specimens were sorted into four groups (n=12), according to the type of resin used: Filtek Z250 (Z250), Filtek Z350 (Z350), Filtek One Bulk Fill (BF), Filtek P60 (P60). The specimens were sorted into six groups according to the type of F/P system used (n=2/group): Control group, Diamond bur (KG Sorensen), Soflex Pop-On Discs (3M ESPE), Soflex Spiral (3M ESPE), Dura Gloss (American Burs), and Praxis (TDV). Results: The highest roughness values (Ra) were attributed to BF group for all F/P systems, except for the Soft-Lex PopOn discs. The Soft-Lex PopOn, Spiral, and Praxis discs presented a better performance for the surface treatment of the tested composite resins. Regardless of the restorative material, the use of diamond bur or single-step abrasive rubber (Dura Gloss) were associated with the highest Ra values. Conclusion: The effect of F/P systems on Ra is material-dependent and instrument or system-dependent.

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Author Biographies

Kayo Matheus Rodrigues de Souza, Federal University of Pernambuco

Federal University of Pernambuco – UFPE, Department of Prosthesis and Oral Surgery, Recife, PE, Brazil.

Roberto Victor de Melo Silva, Federal University of Pernambuco

Federal University of Pernambuco – UFPE, Department of Prosthesis and Oral Surgery, Recife, PE, Brazil.

Marlon Ferreira Dias, São Paulo State University

São Paulo State University – UNESP, Department of Dental Materials and Prosthesis, Araraquara, SP, Brazil.

Paulo Cardoso Lins-Filho, Federal University of Pernambuco

Federal University of Pernambuco – UFPE, Department of Prosthesis and Oral Surgery, Recife, PE, Brazil.

Claudio Heliomar Vicente da Silva, Federal University of Pernambuco

Federal University of Pernambuco – UFPE, Department of Prosthesis and Oral Surgery, Recife, PE, Brazil.

Renata Pedrosa Guimarães, Federal University of Pernambuco

Federal University of Pernambuco – UFPE, Department of Prosthesis and Oral Surgery, Recife, PE, Brazil.

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Published

2022-06-17

How to Cite

1.
Souza KMR de, Silva RV de M, Dias MF, Lins-Filho PC, Silva CHV da, Guimarães RP. Evaluation of different composite resin finishing and polishing protocols by confocal laser scan microscopy. Braz. J. Oral Sci. [Internet]. 2022 Jun. 17 [cited 2022 Aug. 13];21(00):e225334. Available from: https://periodicos.sbu.unicamp.br/ojs/index.php/bjos/article/view/8665334

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Original Research