Submitted on: 29 August 2001.
Revised on: 11 December 2001.
Accepted on: 02 February 2002.
___________________Journal of Applied Oral Science
Submitted on: 13 July 2019.
Revised on: 30 October 2019.
Accepted on: 17 November 2019.
___________________Journal of Applied Oral Science
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Submitted on: 30 December 2010.
Revised on: 20 February 2011.
Accepted on: 07 April 2011.
___________________Journal of Applied Oral Science
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