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http://dx.doi.org/10.14347/kadt.2013.35.4.313

Physical Properties of Light Cured Dental Composite Resin with Novel Photosensitizers  

Sun, Gum-Ju (Department of Dental Laboratory Technology, Gwangju Health University)
Lee, Hee-Kyung (Department of Dental Technology, Daegu Health University)
Publication Information
Journal of Technologic Dentistry / v.35, no.4, 2013 , pp. 313-320 More about this Journal
Abstract
Purpose: The purpose of this study was to know the physical properties of UDMA dental composite resins containing two photosensitizers, PD, DA, as a photosensitizer instead of CQ. We want to know Remaining Double Bond(RDB) of UDMA unfilled resin and diametral tensile strength and flexural strength of composite resin containing PD and DA were compared with those of CQ, most widely used photosensitizer for dental composite resins. Methods: The RDB of UDMA studied by FT-IR spectroscopy increased with irradiation time. The composite resins were tested for their physical properties. The dental composite resins were made with UDMA as a monomer, silanized silica as filler, N,N-dimethylaminoethyl methacrylate (DAEM) as amine initiator, and one of the two kinds of new photosensitizers. Results: The relative RDB of UDMA was in the order: DA > CQ > PD but the physical properties of the composite resins show PD and DA with higher results compared with that containing CQ. The reason for the results is that PD and DA serve not only as a photosensitizer but also as a photo-crosslinking agent. Conclusion: PD and DA show as effective photosensizers, suitable for UDMA dental composite resin compare with a higher efficiency than CQ.
Keywords
CQ; DA; dental composite resin; PD; photo-crosslinking agent;
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Times Cited By KSCI : 2  (Citation Analysis)
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