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Ana Maria de Guzzi Plepis ; Rommel Bezerra Viana ;Acta Scientiarum. Technology 2013, 35 3

Autor: Aline Bassi Denis

Fuente: http://www.redalyc.org/articulo.oa?id=303228846001


Introducción



Acta Scientiarum.
Technology ISSN: 1806-2563 eduem@uem.br Universidade Estadual de Maringá Brasil Bassi Denis, Aline; de Guzzi Plepis, Ana Maria; Bezerra Viana, Rommel The effect of different photoactivation sources on a nanocomposite resin: LED, halogen and argon laser application Acta Scientiarum.
Technology, vol.
35, núm.
3, julio-septiembre, 2013, pp.
407-412 Universidade Estadual de Maringá Maringá, Brasil Available in: http:--www.redalyc.org-articulo.oa?id=303228846001 How to cite Complete issue More information about this article Journals homepage in redalyc.org Scientific Information System Network of Scientific Journals from Latin America, the Caribbean, Spain and Portugal Non-profit academic project, developed under the open access initiative Acta Scientiarum http:--www.uem.br-acta ISSN printed: 1806-2563 ISSN on-line: 1807-8664 Doi: 10.4025-actascitechnol.v35i3.16238 The effect of different photoactivation sources on a nanocomposite resin: LED, halogen and argon laser application Aline Bassi Denis, Ana Maria de Guzzi Plepis and Rommel Bezerra Viana* Instituto de Química de São Carlos, Universidade de São Paulo, Av.
Trabalhador São Carlense, 400, 13560-970, São Carlos, São Paulo, Brazil. *Author for correspondence.
E-mail: rommelbv@yahoo.com.br ABSTRACT.
This paper evaluates the effects of different light sources on the monomer conversion (DC%) and Vickers microhardness number (VHN) of a nanocomposite resin.
Three different depths were measured in this study (1, 2 and 3 mm), and photoactivation methods including a halogen lamp, a LED and an argon ion laser were used.
In contrast to other studies, the conditions for each photoactivation source such as the exposure time and the same power density were considered and kept the same.
It was also shown that increasing the depth lowered the VHN.
At each of the depths, it was observed that the three light sources behaved similarly.
The correlation between the VHN and DC% is shown.
However, only ...





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