Submitted on: 24 July 1998.
Revised on: 18 August 1998.
Accepted on: 19 September 1998.
___________________European Journal of Paediatric Dentistry
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Submitted on: 04 October 2020.
Revised on: 21 December 2020.
Accepted on: 01 January 2021.
___________________European Journal of Paediatric Dentistry
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Submitted on: 01 January 2009.
Revised on: 28 March 2009.
Accepted on: 16 April 2009.
___________________European Journal of Paediatric Dentistry
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Submitted on: 21 April 2002.
Revised on: 29 June 2002.
Accepted on: 22 August 2002.
___________________European Journal of Paediatric Dentistry