Comparison of shear bond strength of aesthetic restorative materials.

Contemporary Clinical Dentistry
B P Suryakumari NujellaT Gopal

Abstract

The present study was conducted to determine and compare the shear bond strengths of Conventional glass ionomer; Resin-modified glass ionomer; Polyacid-modified composite and Composite Resin, and to assess and determine the mode of failure (adhesive, cohesive, mixed). Occlusal dentin of 40 extracted human teeth were randomly divided into four groups of ten teeth, each based on the restorative materials tested as follows: Group I: Conventional Glass Ionomer Cement (Control); Group II: Resin-modified Glass Ionomer Cement; Group III: Polyacid-modified Composite Resin; Group IV: Hybrid Composite Resin. The bonded materials were subjected to shear bond strength (SBS) testing in a Instron Universal Testing Machine (UTM) at a crosshead speed of 0.5 mm/min. The bond failure location was examined by the use of a stereomicroscope at 10× magnification. The mean SBS of Groups I-IV obtained was 3.81, 9.71, 11.96 and 18.16 MPa, respectively. Comparison of mean shear bond strengths of all groups was done by one way ANOVA test and comparison of means in between groups by the Student's t test. It is concluded that the compomer restorative materials show higher shear bond strength than conventional glass-ionomer and resin-modified glass-ionomer,...Continue Reading

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Citations

Dec 15, 2012·Odontology·Netrporn ChinvipasKazuto Terada
Jul 17, 2015·Journal of Conservative Dentistry : JCD·Gaurav JainBalakrishnan Rajkumar
Dec 30, 2014·Dental Materials : Official Publication of the Academy of Dental Materials·Maja LezajaVesna Miletic
Dec 15, 2015·Operative Dentistry·D G SoaresC A de Souza Costa
Mar 11, 2017·British Dental Journal·J ChestermanP Nixon
Jul 13, 2018·Dental Materials Journal·Chris S IvanoffFranklin Garcia-Godoy
Mar 4, 2021·Molecules : a Journal of Synthetic Chemistry and Natural Product Chemistry·Lamia Singer, Christoph P Bourauel
Nov 16, 2016·International Journal of Clinical Pediatric Dentistry·Rani SomaniGurleen K Sibal

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