Submitted on: 19 June 2009.
Revised on: 07 August 2009.
Accepted on: 24 August 2009.
___________________Journal of Advanced Oral Research
http://reply.papertrans.cn/2/151/15085/15085-22.png
Submitted on: 07 November 2003.
Revised on: 06 January 2004.
Accepted on: 22 January 2004.
___________________Journal of Advanced Oral Research
Submitted on: 29 April 2006.
Revised on: 15 June 2006.
Accepted on: 03 July 2006.
___________________Journal of Advanced Oral Research
http://reply.papertrans.cn/2/151/15085/15085-25.png
Submitted on: 02 April 2002.
Revised on: 18 May 2002.
Accepted on: 11 June 2002.
___________________Journal of Advanced Oral Research
Submitted on: 08 October 2005.
Revised on: 21 November 2005.
Accepted on: 05 December 2005.
___________________Journal of Advanced Oral Research
Submitted on: 18 July 2007.
Revised on: 04 November 2007.
Accepted on: 10 December 2007.
___________________Journal of Advanced Oral Research
http://reply.papertrans.cn/2/151/15085/15085-29.png
http://reply.papertrans.cn/2/151/15085/15085-30.png