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    					| The Effect of Retaining the Extraction Site in Dental Implant Restoration on Postoperative Aesthetic Appearance and Mid to Long-term Bone Loss in Patients after Restoration | 
  					 
  					  										
						| WU Yong | 
					 
															
						| First-author's address: Department of Stomatology, Yingtan People's Hospital, Yingtan 335000, China | 
					 
										
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