Degree of conversion of micro-hybrid, nano-hybrid and Ormocer composites using LED and QTH light-curing units
In: Journal of Dental Medicine, Jg. 25 (2012), Heft 2, S. 85-90
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Background and Aims: The aim of this study was to measure the degree of conversion (DC) of three types of composite resins (micro-hybrid, nano-hybrid and Ormocer) with different light curing units (LED LCU and QTH LCU) in two depths.Materials and Methods: Three commercially available dental resin composites were used in this study: (Tetric Ceram, Ivoclar Vivadent, Liechtenstein-A2 shade), (Tetric Evoceram, Ivoclar Vivadent, Liechtenstein-A2 shade), (Ceram X, Dentsply, Germany-M2 shade). Specimens were divided into two groups, 5 specimens were photo-activated by QTH unit (Coltolux 75-Colten) and the other five specimens were cured by LED (Demi-Kerr). Then each specimen was sectioned at the top surface and at 2-mm depth. The DC was measured by FT-IR(Bruker-tensor 27). The data were analyzed by 3-way ANOVA test.Results: There was significant difference between tested composite resins (P
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Degree of conversion of micro-hybrid, nano-hybrid and Ormocer composites using LED and QTH light-curing units
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Autor/in / Beteiligte Person: | Seied Mostafa Fatemi ; Akbar Fazel Najafabadi ; Erfan, Mohammad ; Tahereh Sadat Jafarzadeh Kashi ; Behroozibakhsh, Marjan ; Hali, Haleh ; Hosein Bagheri Gorgani |
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Zeitschrift: | Journal of Dental Medicine, Jg. 25 (2012), Heft 2, S. 85-90 |
Veröffentlichung: | Tehran University of Medical Sciences, 2012 |
Medientyp: | academicJournal |
ISSN: | 1024-641X (print) ; 2008-2444 (print) |
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