Effect of mouthrinses on surface roughness and of a nanofilled restorative composite

Authors

  • Carolinne Dutra Urbano Biomaterials Division – Uberaba University – Uberaba – MG – Brazil.
  • Ana Luiza Silvestre Abrahão Biomaterials Division – Uberaba University – Uberaba – MG – Brazil.
  • Ailla Carla Lancellotti Department of Restorative Dentistry – Dental Materials Division – Piracicaba Dental School – Piracicaba – SP – Brazil.
  • Maria Angélica Hueb de Menezes-Oliveira Biomaterials Division – Uberaba University – Uberaba – MG – Brazil.
  • Saturnino Calabrez Biomaterials Division – Uberaba University – Uberaba – MG – Brazil.
  • Luciano de Souza Gonçalves Biomaterials Division – Uberaba University – Uberaba – MG – Brazil.

DOI:

https://doi.org/10.14295/bds.2014.v17i3.1014

Abstract

Objective: The aim of this study was to evaluate the effect of mouthrinses on the surface roughness of the nanofilled restorative composite. Material and Methods: Twenty discs (4 mm in diameter and 1 mm in height) of the composite Filtek Z350 were made and roughness (µm) was measured using perfilometer with a 0.5 ?m diamond needle tip measuring and accuracy of 0.01 ?m. The discs were randomly divided into four groups (n=5): Control (distilled water), G1-Plax, G2-Plax Whitening e G3-Listerine and individually storage in eppendorfs with distilled water at 37°C. The specimens were maintained in distilled water during 30 d and immersed in mouthrinses every 12 h for 1 min. after the 30 d the specimens was cleaned in distilled water, storage in oven at 37°C during 24 h and the surface roughness test was repeated with the same parameters previously described. The data were submitted to Two-way ANOVA and the t-studant test for paired specimens. Results: No significant differences among groups were detected R1: Control (0.12±0.04); G1 (0.13±0.05); G2 (0.11±0.03); G3 (0.11±0.02); and R2: Control (0.16±0.04); G1 (0.15±0.02); G2 (0.13±0.01) e G3 (0.15±0.02). Conclusions: In this study the mouthrinses solutions did not promote significant changes on the surface roughness of Filtek Z350 after 30 d.

Keywords: Composites; Polymer; Dental materials

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Published

2014-09-29

Issue

Vol. 17 No. 3 (2014): Jul. - Sep. / 2014 - Published August 2014

Section

Clinical or Laboratorial Research

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