ALTERNATIVES IN POLYMERIZATION CONTRACTION STRESS MANAGEMENT
R.R. Braga1,*
J.L. Ferracane2
1 University of São Paulo, School of Dentistry, Department of Dental Materials, Av. Prof. Lineu Prestes, 2227, São Paulo-SP 05508-900, Brazil;
2 Oregon Health & Science University, School of Dentistry, Division of Biomaterials and Biomechanics, Department of Restorative Dentistry, Portland, OR, USA

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Figure 1. Diagram of the contraction stress test set-up.
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Figure 2. Volumetric shrinkage (top) and contraction stress (bottom) of an oxirane- and a silorane-based composite compared with two commercial composites.
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