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J Korean Acad Pediatr Dent. 1996;23(2): 327-346.
A COMPARATIVE STUDY OF THE EFFECTIVENESS IN POLYMERIZATION OF COMPOSITE RESIN CURED WITH VISIBLE LIGHT AND ARGON LASER SOURCE
전상언, 김용기
단국대학교 치과대학 소아치과학교실
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ABSTRACT
The purpose of this study was to evaluate the shear bond strengths, microhardness, compressive strength and contraction gap at the resin-tooth interface of two types of composite resins polymerized with visible light and argon laser sourse. The results from the present study can be summarized as follows ; 1. Resin samples polymerized either by argon laser or visible light did not show significant difference in their physical properties tested(p>.05). 2. The contraction gap at the resin tooth interface was found to be present in all samples but any significant difference between groups could not be established due to their variability. Although the superiority of argon laser over visible light in enhancing the physical properties of resin could not be elucidated in the present study, continous efforts are deemed to be worthwhile to investigate this area using different conditions and materials of experiment.
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