Artículos de revistas
Polymerization of photocurable commercial dental methacrylate-based composites - Photocalorimetry study
Fecha
2007-03-01Registro en:
Journal of Thermal Analysis and Calorimetry. Dordrecht: Springer, v. 87, n. 3, p. 631-634, 2007.
1388-6150
10.1007/s10973-006-7859-9
WOS:000244823700004
6446047463034654
2998503841917815
0000-0003-3286-9440
Autor
Universidade Estadual Paulista (Unesp)
Universidade de São Paulo (USP)
Institución
Resumen
Due to their excellent aesthetics, photopolymers have been extensively used in several dentistry applications. However, several problems are reported, e.g. low mechanical and abrasion resistance, shrinkage during polymerization, etc. Properties of the final restorations are intrinsically related to the polymerization stage, which can be conveniently studied by photocalorimetry. In the present work the polymerization reaction and the filler content of different photocurable commercial dental methacrylate-based composites were studied by means of photocalorimetry and thermogravimetry, respectively. The results show that the values of curing rate, the heat of polymerization and the filler content vary significantly from one composite to another.