Physical and structural characterization of bis-acryl composite resin

Author:

Rodríguez-Guardado Wendy E.,Rivera-Muñoz Eric M.,Serrano-Bello Janeth,Alvarez-Perez Marco A.,Domínguez-Pérez Rubén A.,Salmerón-Valdés Elias Nahum,Vázquez Vázquez Febe C.,Chanes-Cuevas Osmar A.,Millán-Malo Beatriz,Peza-Ledesma Carmen L.,Correa-Prado Rodrigo

Abstract

AbstractDuring the preparation of fixed prosthesis (including individual bridges and crowns) it is important to select the materials that have the best features and properties to predict a successful clinical treatment. The objective of this study was to determine if the chemical and structural characteristics could cause to increase the fracture resistance, we used four bis-acryl resins Luxatemp, Protemp, Structur and Telio. Three-points bending by Flexural test were performed in ten bars and they were carried out to compare with Anova test. In addition, the bis-acryl resins were analyzed by scanning electron microscopy, to analyze microstructure and morphology and the molecular structure were performed by Infrared Spectroscopy through Attenuated Total Reflectance. A higher flexural strength was found in Luxatemp and Structur with, no significant differences between this study groups. Regarding Protemp and Telio, these study groups showed a lower flexural strength when were compared with Luxatemp and Structur. These results corroborate SEM and ATR analysis because Luxatemp sample showed a regular size particle on the surface and chemically presents a long cross-linkage polymer chain. The presence of CO3, SiO2 and N–H groups as a fillers particle interacting with OH groups cause a higher flexural strength compared with another groups.

Funder

DGAPA-UNAM postdoctoral Scholarship

Publisher

Springer Science and Business Media LLC

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