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Evaluation of polymerization shrinkage of resin cements through in vitro and in situ experiments

  • A. P.G.O. Franco
  • , L. Z. Karam
  • , C. A. Pulido
  • , O. M.M. Gomes
  • , H. J. Kalinowski
  • Universidade Tecnológica Federal do Paraná
  • Universidade Estadual de Ponta Grossa

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

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.

Original languageEnglish
Title of host publicationSecond International Conference on Applications of Optics and Photonics
EditorsRogerio Nunes Nogueira, Manuel Filipe P. C. Martins Costa
PublisherSPIE
ISBN (Electronic)9781628413618
DOIs
StatePublished - 2014
Externally publishedYes
Event2nd International Conference on Applications of Optics and Photonics - Aveiro, Portugal
Duration: 26 May 201430 May 2014

Publication series

NameProceedings of SPIE - The International Society for Optical Engineering
Volume9286
ISSN (Print)0277-786X
ISSN (Electronic)1996-756X

Conference

Conference2nd International Conference on Applications of Optics and Photonics
Country/TerritoryPortugal
CityAveiro
Period26/05/1430/05/14

Keywords

  • Bragg grating sensors
  • Polymerization
  • Resin cements
  • Shrinkage

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