3Furhauser R, Florescu D, Benesch, et al. Evaluation of soft tissue around single - tooth implant crowns : the pink esthetic score. Clin Oral Implants Res, 2005, 16(6) : 639-644.
4Jemt T. Regeneration of gingival papillae after single - implant treatment. Int J Periodontics Restorative Dent, 1997, 17 (4) : 326 - 333.
5欧阳翔英.牙周成形术.曹采方主编.临床牙周病学.北京:北京大学医学出版社,357-359.
6Anderegg CR, Metzler DG, Nicoll BK. Gingiva thickness in guided tissue regeneration and associated recession at facial furcation defects. J Periodontol, 1995, 66 (5) : 397 - 402.
7Castellani R,Wolffe GN.Renggli.N.H H.Pocket elimination surgery with simultaneous connective tissue graft A case report with 3-year follow-up[J].J Clin Periodontol,2001,28:365-371.
8Mardas N.Kostopoulos L.,Stavropoulos A.,et al.Osteogenesis by guided tissue regeneration and demineralized bone matrix[J].J Clin Periodontol,2003,30:176-183.
9Goldstein M,Boyan B.D,Cochran D.L,et al.Human histology of new attachment after root coverage using subepithelial connective tissue graft[J].J Clin Periodontol,2001,28:657-662.
10Tatsuya Akizuki,Shigeru Oda,Motohiro Komaki,et al.Application of periodontal ligament cell sheet for periodontal regeneration:A pilot study in beagle dogs[J].J Periodont Res,2005,40:245-251.