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BioMed Research International - Volume 2016 2016, Article ID 1209705, 10 pages -

Research Article

Department of Biomaterials Science, College of Dentistry, Dankook University, Cheonan, Republic of Korea

Institute of Tissue Regeneration Engineering, Dankook University, Cheonan, Republic of Korea

Received 3 June 2016; Accepted 17 August 2016

Academic Editor: Hom-Lay Wang

Copyright © 2016 Soo-Kyung Jun et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


The purpose of this study was to determine mechanical properties using a compressive test with cylinder specimen  mm and  mm as well as cytotoxicity using elutes from disk specimen  mm and  mm against human gingival fibroblasts and oral keratinocytes with light-activated provisional resin materials Revotek LC and Luxatemp Solar compared to chemically activated counterpart Snap, Trim II, and Jet. Significantly increased compressive strength 210~280 MPa was detected in light-activated products compared to chemically activated ones 20~65 MPa, and similar compressive modulus was detected in both types 0.8~1.5 and 0.5~1.3 GPa. Simultaneously, the light-activated products showed less adverse effects on the periodontal soft tissue cells in any polymerization stage compared to the chemically activated products. Particularly, chemically activated products had significantly greater adverse effects during the -polymerizing- phase compared to those that were -already set- , as shown in confocal microscopic images of live and dead cells. In conclusion, light-activated provisional resin materials have better mechanical properties as well as biocompatibility against two tested types of oral cells compared to the chemically activated counterpart, which are considered as more beneficial choice for periodontal soft tissue management.

Autor: Soo-Kyung Jun, Hae-Hyoung Lee, and Jung-Hwan Lee

Fuente: https://www.hindawi.com/


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