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Proceedings Paper

Evaluation of polymerization shrinkage of resin cements through in vitro and in situ experiments
Author(s): A. P. G. O. Franco; L. Z. Karam; C. A. Pulido; O. M. M. Gomes; H. J. Kalinowski
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Paper Abstract

The aim of this study was to evaluate the behavior of two types of resin cements , conventional dual and dual self adhesive, through in vitro and in situ experiments. For the in vitro assay were selected two resin cements that were handled and dispensed over a mylar strip supported by a glass plate. The Bragg grating sensors were positioned and another portion of cement. was placed, covered by another mylar strip. For the in situ experiment 16 single-rooted teeth were selected who were divided into 2 groups: group 1 - conventional dual resin cement Relyx ARC and group 2 - dual self adhesive resin cement Relyx U200 ( 3M/ESPE ). The teeth were treated and prepared to receive the intracanal posts. Two Bragg grating sensors were recorded and introduced into the root canal at different apical and coronal positions. The results showed that the in vitro experiment presented similar values of polymerization shrinkage that the in situ experiment made in cervical position; whereas Relyx ARC resulted lower values compared to Relyx U200; and cervical position showed higher shrinkage than the apical.

Paper Details

Date Published: 22 August 2014
PDF: 6 pages
Proc. SPIE 9286, Second International Conference on Applications of Optics and Photonics, 92863P (22 August 2014); doi: 10.1117/12.2063393
Show Author Affiliations
A. P. G. O. Franco, Univ. Tecnológica Federal do Paraná (Brazil)
L. Z. Karam, Univ. Tecnológica Federal do Paraná (Brazil)
C. A. Pulido, Univ. Estadual de Ponta Grossa (Brazil)
O. M. M. Gomes, Univ. Estadual de Ponta Grossa (Brazil)
H. J. Kalinowski, Univ. Tecnológica Federal do Paraná (Brazil)


Published in SPIE Proceedings Vol. 9286:
Second International Conference on Applications of Optics and Photonics
Manuel Filipe P. C. Martins Costa; Rogério Nunes Nogueira, Editor(s)

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