http://reply.papertrans.cn/1/57/5606/5606-21.png
Submitted on: 04 January 2003.
Revised on: 03 February 2003.
Accepted on: 23 March 2003.
___________________Clinical Cosmetic and Investigational Dentistry
Submitted on: 24 May 2014.
Revised on: 20 June 2014.
Accepted on: 16 July 2014.
___________________Clinical Cosmetic and Investigational Dentistry
Submitted on: 25 July 2009.
Revised on: 29 September 2009.
Accepted on: 17 November 2009.
___________________Clinical Cosmetic and Investigational Dentistry
Submitted on: 22 July 2018.
Revised on: 12 August 2018.
Accepted on: 16 September 2018.
___________________Clinical Cosmetic and Investigational Dentistry
http://reply.papertrans.cn/1/57/5606/5606-26.png
http://reply.papertrans.cn/1/57/5606/5606-27.png
http://reply.papertrans.cn/1/57/5606/5606-28.png
http://reply.papertrans.cn/1/57/5606/5606-29.png
http://reply.papertrans.cn/1/57/5606/5606-30.png