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International Journal of Dentistry
Volume 2009 (2009), Article ID 313845, 7 pages
http://dx.doi.org/10.1155/2009/313845
Research Article

Effect of Four Bleaching Regimens on Color Changes and Microhardness of Dental Nanofilled Composite

1Department of Restorative Dentistry, Araraquara School of Dentistry, University of São Paulo State, 1680 Humaitá Street 14801-903, Araraquara, SP, Brazil
2University Center Franciscano (UNIFRA), 1250 Andradas Street 97010-030, Santa Maria, RS, Brazil
3Physics Institute of São Carlos, University of São Paulo, 400 Trabalhador São Carlense Avenue 13560-970, São Carlos, SP, Brazil

Received 19 March 2009; Accepted 19 August 2009

Academic Editor: Toru Nikaido

Copyright © 2009 Simone Xavier Silva Costa et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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