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Licensed Unlicensed Requires Authentication Published by De Gruyter October 9, 2014

Thermal, spectral, and surface properties of LED light-polymerized bulk fill resin composites

  • Mehmet Burçin Pişkin EMAIL logo , Pınar Yılmaz Atalı and Aysel Kantürk Figen

Abstract

The aim of this study was to evaluate the thermal, spectral, and surface properties of four different bulk fill materials – SureFil SDR (SDR, Dentsplay DETREY), QuixFil (QF, Dentsplay DETREY), X-tra base (XB, Voco) X-tra fil (XF, Voco) – polymerized by light-emitting diode (LED). Resin matrix, filler type, size and amount, and photoinitiator types influence the degree of conversion. LED-cured bulk fill composites achieved sufficient polymerization. Scanning electron microscope (SEM) analysis revealed different patterns of surface roughness, depending on the composite material. Bulk fill materials showed surface characteristics similar to those of nanohybrid composites. Based on the thermal analysis results, glass transition (Tg) and initial degradation (Ti) temperatures changed depending on the bulk fill resin composites.


Corresponding author: Assoc. Prof. Dr. Mehmet Burçin Pişkin, Bioengineering Department, Yıldız Technical University, Istanbul 34210, Turkey, Phone: +90 212 3834555, Fax: +90 212 3834625, E-mail: ,

Acknowledgments

The authors also would like to thank the Yildiz Technical University Research Foundation (Project 2013-07-04-KAP04) for its financial support.

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Received: 2014-1-14
Accepted: 2014-9-16
Published Online: 2014-10-9
Published in Print: 2015-2-1

©2015 by De Gruyter

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