TY - JOUR
T1 - Mechanical Strength and Wear of Dental Glass-Ionomer and Resin Composites Affected by Porosity and Chemical Composition
AU - Rodrigues, Daniela S.
AU - Buciumeanu, Mihaela
AU - Martinelli, Antonio E.
AU - Nascimento, Rubens M.
AU - Henriques, Bruno
AU - Silva, Filipe S.
AU - Souza, Júlio C. M.
N1 - Publisher Copyright:
© 2015, Springer International Publishing AG.
PY - 2015
Y1 - 2015
N2 - The main aim of this study was to evaluate the influence of porosity, microstructure, and chemical composition on the wear and compressive strength of dental glass-ionomer or resin composite. Cylindrical samples (6 × 4 mm) were prepared from a nano-hybrid resin composite (Grandio®SO/RC, VOCO), a resin-modified glass ionomer (Vitremer™/VI, 3 M-ESPE) and a conventional glass ionomer (Ionofil®Molar/CO, VOCO). Porosity and topography of the materials were evaluated by optical and scanning electron microscopy (SEM). Roughness was evaluated by Ra and Rt parameters at 0.1 mm/s under cut-off of 0.8 mm. Then, compressive tests were performed at 1 mm/min. Wear tests were carried out at 20 N, 2.5 mm of displacement, at 1 Hz for 90 min in artificial saliva solution. The results were statistically analyzed with a one-way ANOVA and Tukey’s test (p
AB - The main aim of this study was to evaluate the influence of porosity, microstructure, and chemical composition on the wear and compressive strength of dental glass-ionomer or resin composite. Cylindrical samples (6 × 4 mm) were prepared from a nano-hybrid resin composite (Grandio®SO/RC, VOCO), a resin-modified glass ionomer (Vitremer™/VI, 3 M-ESPE) and a conventional glass ionomer (Ionofil®Molar/CO, VOCO). Porosity and topography of the materials were evaluated by optical and scanning electron microscopy (SEM). Roughness was evaluated by Ra and Rt parameters at 0.1 mm/s under cut-off of 0.8 mm. Then, compressive tests were performed at 1 mm/min. Wear tests were carried out at 20 N, 2.5 mm of displacement, at 1 Hz for 90 min in artificial saliva solution. The results were statistically analyzed with a one-way ANOVA and Tukey’s test (p
U2 - 10.1007/s40735-015-0025-9
DO - 10.1007/s40735-015-0025-9
M3 - Article
SN - 2198-4239
VL - 1
JO - Journal of Bio- and Tribo-Corrosion
JF - Journal of Bio- and Tribo-Corrosion
IS - 3
ER -