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Int. J. Mol. Sci. 2011, 12(8), 5330-5338; doi:10.3390/ijms12085330
Article

Effect of Filler Size and Temperature on Packing Stress and Viscosity of Resin-composites

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Received: 28 June 2011; in revised form: 12 July 2011 / Accepted: 12 August 2011 / Published: 18 August 2011
(This article belongs to the Special Issue Dental Materials)
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Abstract: The objective of this study was to investigate the effect of filler size on the packing stress and viscosity of uncured resin-composite at 23 °C and 37 °C. A precision instrument used was designed upon the penetrometer principle. Eight resin-composite materials were tested. Packing-stress ranged from 2.60 to 0.43 MPa and viscosity ranged from 2.88 to 0.02 MPa.s at 23 °C. Values for both properties were reduced significantly at 37 °C. Statistical analysis, by ANOVA and post hoc methods, were carried out to check any significant differences between materials tested (P < 0.05). Conclusions: Filler size and distribution will affect the viscosity and packing of resin-composites during cavity placement.
Keywords: packing; resin-composites; nanofillers; viscosity packing; resin-composites; nanofillers; viscosity
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Elbishari, H.; Satterthwaite, J.; Silikas, N. Effect of Filler Size and Temperature on Packing Stress and Viscosity of Resin-composites. Int. J. Mol. Sci. 2011, 12, 5330-5338.

AMA Style

Elbishari H, Satterthwaite J, Silikas N. Effect of Filler Size and Temperature on Packing Stress and Viscosity of Resin-composites. International Journal of Molecular Sciences. 2011; 12(8):5330-5338.

Chicago/Turabian Style

Elbishari, Haitham; Satterthwaite, Julian; Silikas, Nick. 2011. "Effect of Filler Size and Temperature on Packing Stress and Viscosity of Resin-composites." Int. J. Mol. Sci. 12, no. 8: 5330-5338.


Int. J. Mol. Sci. EISSN 1422-0067 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert