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Submitted on: 14 January 2018.
Revised on: 04 May 2018.
Accepted on: 11 June 2018.
___________________JOURNAL OF PROSTHETIC DENTISTRY
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http://reply.papertrans.cn/2/190/18935/18935-17.png
Submitted on: 23 August 2014.
Revised on: 15 October 2014.
Accepted on: 18 November 2014.
___________________JOURNAL OF PROSTHETIC DENTISTRY
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