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Light Curable Dental Composites – Kinetics by Plasma and Halogen Lamps

Zoubida Seghier1,2, Vanda Voytekunas2,3, Vitali Lipik2,4 and Marc J.M. Abadie2,4
Affiliation: 
1University es-Senia, Oran, Algeria; seghierz@yahoo.fr 2Laboratory of Polymer Science & Advance Organic Materials – LEMP/MAO – CC 021, University Montpellier 2, Science and Technology of Languedoc, 34095 Montpellier Cedex 05 – France abadie@univ-montp2.fr 3Singapore Institute of Manufacturing Technology, SIMTech, 71 Nanyang Drive, Singapore 638075 vanday@SIMTech.a-star.edu.sg 4School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798; vitali@ntu.edu.sg; marc@ntu.edu.sg
DOI: 
https://doi.org/10.23939/chcht05.04.413
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Keywords:

Abstract: 
A series of commercial dental composites curable by visible light have been investigated and compared in terms of their photoreactivity thanks to the photocalorimetry technique by using two different types of lamps, a conventional lamp (halogen lamp) from ESPE and a plasma lamp, Apollo 98E manufactured by DMDS. In terms of kinetics, dental composites cure in just a few seconds with plasma lamp compared to 20-40 s with halogen lamp allowing dentists to save time. Recent investigations on new composite systems having low contraction show that they are less photoreactive compared to former systems.
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