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    					| Effect of Zirconia All-ceramic Crown in Restoration of Anterior Teeth and Influence on Local Inflammatory State | 
  					 
  					  										
						| JIANG Junhao, ZHANG Nong, YANG Ya, LI Juan | 
					 
															
						| First-author's address: Department of Stomatology, Shenzhen Longgang District Maternal and Child Health Care Hospital, Shenzhen 518172, China | 
					 
										
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