Submitted on: 24 July 2015.
Revised on: 14 August 2015.
Accepted on: 26 September 2015.
___________________Archives of Orofacial Science---PENERBIT UNIV SAINS MALAYSIA
Submitted on: 19 December 2013.
Revised on: 16 March 2014.
Accepted on: 29 March 2014.
___________________Archives of Orofacial Science---PENERBIT UNIV SAINS MALAYSIA
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Submitted on: 26 July 1998.
Revised on: 02 October 1998.
Accepted on: 23 November 1998.
___________________Archives of Orofacial Science---PENERBIT UNIV SAINS MALAYSIA
Submitted on: 03 December 2000.
Revised on: 11 January 2001.
Accepted on: 07 February 2001.
___________________Archives of Orofacial Science---PENERBIT UNIV SAINS MALAYSIA
Submitted on: 14 May 1999.
Revised on: 02 September 1999.
Accepted on: 15 September 1999.
___________________Archives of Orofacial Science---PENERBIT UNIV SAINS MALAYSIA
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Submitted on: 04 May 1998.
Revised on: 20 June 1998.
Accepted on: 25 July 1998.
___________________Archives of Orofacial Science---PENERBIT UNIV SAINS MALAYSIA
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Submitted on: 31 October 1998.
Revised on: 28 December 1998.
Accepted on: 28 January 1999.
___________________Archives of Orofacial Science---PENERBIT UNIV SAINS MALAYSIA