参考文献
[1]Buser D.Implant placement post extraction in esthetic single tooth sites:when immediate,when early,when late?[J].Int J Periodontology 2000,2017(73):84-102.
[2]Chen ST,Buser D.Clinical and esthetic outcomes of implants placed in postextraction sites[J].The International journal of oral & maxillofacial implants,2009,24 Suppl:186-217.
[3]Kan JY,Rungcharassaeng K,Lozada J.Immediate placement and provisionalization of maxillary anterior single implants:1-year prospective study[J].The International journal of oral & maxillofacial implants,2003,Jan-Feb,18(1):31-39.
[4]Cornelini R,Cangini F,Martuscelli G.Deproteinized bovine bone and biodegradable barrier membranes to support healing following immediate placement of transmucosal implants:a short-term controlled clinical trial[J].Int J Periodontics Restorative Dent,2004,Dec,24(6):555-563.(https://www.daowen.com)
[5]Hsu YT,Shieh CH,Wang HL.Using soft tissue graft to prevent mid-facial mucosal recession following immediate implant placement[J].J Int Acad Perio- dontol,2012,14(3):76-82.
[6]Rungcharassaeng K,Kan JY,Yoshino S,et al.Immediate implant placement and provisionalization with and without a connective tissue graft:an analysis of facial gingival tissue thickness[J].Int J Perio-dontics Restorative Dent,2012,32(6):657-663.
[7]Grunder U.Crestal ridge width changes when placing implants at the time of tooth extraction with and without soft tissue augmentation after a healing period of 6 months:report of 24 consecutive cases[J].Int J Periodontics Restorative Dent,2011,3l(1):9-17.
[8]Yoshino S,Kan JY,Rungcharassaeng K,et al.Effects of connective tissue grafting on the facial gingival level following single immediate implant placement and provisionalization in theestheticzone:a 1-yearrandomizedcontrolle dprospective study[J].Int J Oral Maxillofac Implants,2014,29(2):432-440.