Department of Restorative Dentistry, Piracicaba Dental School, University of Campinas, São Paulo, Brazil
Research Article
Influence of Monomers and Solvents on the Contact Angle, Penetrability and Knoop Hardness of Experimental Resin Infiltrants into Caries-Like Lesions
Author(s): Tatiany Gabrielle Freire Araújo Guimarães, Victor Pinheiro Feitosa*, Tainah Oliveira Rifane, Italo Hudson Tavares Maia, Ravana Angelini Sfalcin, Bruno Martini Guimarães and Americo Bortolazzo Correr
Objective: To evaluate the influence of monomers Urethane Dimethacrylate (UDMA), Ethoxylated Bisphenol A Glycidyl Dimethacrylate
(BisEMA), and solvents Tetrahydrofuran (THF) and Dimethyl Sulfoxide (DMSO) on the contact angle, penetrability and
Knoop microhardness of resin infiltrants into caries-like lesions.
Methods: Eleven groups were evaluated: 1) Icon; 2) 75% TEGDMA (T)+25%UDMA (U); 3) T+U+0.5%DMSO; 4) T+U+5%DMSO;
5) T+U+0.5%THF; 6) T+U+5%THF 7) 75% T+25%BisEMA(B); 8) T+B+0.5%DMSO; 9) T+B+5%DMSO; 10) T+B+0.5%THF;
11) T+B+5%THF. The contact angle measurement was performed in a viscosimeter (n=5). The resin infiltrants penetrability (n=5)
by Confocal Laser Scanning Microscopy by qualitative analysis and Knoop microhardness (n=10) was evaluated in caries-like
lesions produced on the enamel of bovine teeth. Contact angle data.. View more»