3Dileep Nag, Vinnakota Sreenivasa Rao, Akula V Vamsi, et al. A staged approach of implant place- ment in immediate extraction sockets for preserva- tion of peri-implant soft and hard tissue [J] . Jour- nal of Indian Society of Periodontology, 2014, 18 (2) : 267-271.
4Rachele, Censi Virna, Vavassori Andrea Enrico, et al. Esthetic rehabilitation of a severely compromised anterior area: combined periodontal and restorative approach [J] . Case reports in dentistry, 2014, 2014 (1) : 790-800.
5KASSIM B,IVANOVSKI S,MATTHEOS N.Current perspectives on the role of ridge(socket)preservation procedures in dental implant treatment in the aesthetic zone[J].Aust Dent J,2014,59(1):48-56.
6ALONSO-GONZALEZ R,ALOY-PROSPER A,PENARROCHA-OHRA D,et al.Marginal bone loss in relation to platform switching implant insertion depth:An update[J].J Clin Exp Dent,2012,4(3):e173-e179.
7ALBREKTSSON T,ZARB G,WORTHINGTON P,et al.The longterm efficacy of currently used dental implants:a review and proposed criteria of success[J].INT J Oral Maxillofac Implants,1986,1(1):11-25.
8WANG HL,TSAO XP.Mineralized bone allongraft-plug socket augmentation:Rationale and technique[J].Implant Dent,2007,16:33-41.
9HIIMMERLE CH,CHEN ST,WILSON TG JR.Consensus statements and recommended clinical procedures regarding the placement of implants in extraction sockets[J].Int J Oral Maxillofac Implants,2004,19 Suppl:26-28.
10PANLANTONIO M,DOLEI M,SEARANN A,et al.Immediate implantation in fresh extraction sockets.A eontloiled clinical and histological study in man[J].Periodontol,2009,72(11):1560-1571.