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Effect of TEGDMA/BisGMA Ratio on Stress Development and Viscoelastic Properties of Experimental Two-paste Composites
A.J. Feilzer1,* and
B.S. Dauvillier2
1 ACTA, Department of Dental Materials Science, Louwesweg 1, 1066 EA Amsterdam, The Netherlands; and
2 Universiteit Utrecht-Debye Institute, Department of Inorganic Chemistry and Catalysis, Sorbonnelaan 16, 3508 TB Utrecht, Netherlands;

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Figure. (a) Volumetric shrinkage strain and (b) axial shrinkage stress development (— measured, Maxwell model) of experimental resin composites (C-factor = 0.5) during curing. The onset in shrinkage stress (= gel-point) for the 30, 50, and 70 wt% TEGDMA composites was 192, 180, and 190 sec, respectively. Error bars indicate the standard deviations of the calculated mean (n = 3).
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Journal of Dental Research, Vol. 82, No. 10,
824-828 (2003)
DOI: 10.1177/154405910308201012

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