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Submitted on: 15 November 1998.
Revised on: 14 February 1999.
Accepted on: 10 April 1999.
___________________EUROPEAN JOURNAL OF ORAL SCIENCES
Submitted on: 25 June 2009.
Revised on: 16 October 2009.
Accepted on: 13 December 2009.
___________________EUROPEAN JOURNAL OF ORAL SCIENCES
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Submitted on: 27 September 2014.
Revised on: 06 January 2015.
Accepted on: 21 February 2015.
___________________EUROPEAN JOURNAL OF ORAL SCIENCES
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Submitted on: 23 December 2014.
Revised on: 28 January 2015.
Accepted on: 22 February 2015.
___________________EUROPEAN JOURNAL OF ORAL SCIENCES