1Kan JY, Rungcharassaeng K,Ojano M, et al. Flap-less an terior implant surgery: a surgical andprosthodontic rational [J] . Pract Periodontics Aes-thet Dent, 2000,12 (5) : 467-474.
2Zoran Vlahovic, Branko Mihailovic, Zoran Lazic, etal. Comparative radiographic and resonance fre-quency analyses of theperi -implant tissue after den-tal implants placement using flap andflapless tech-niques: An experimental study on domestic pigs[J].Vojnosanitetski Pregled, 2013, 70(6) : 586-594.
3Becker W, Wikesjo UM, Sennerby L, Qahash M,Hujoel P,Goldstein M, Turkyilmaz I. Histologic e-valuation of implants following flapless and flappedsurgery: a study in canines. J Periodontol,2006, 77 : 1717-22.
4Qun Lei, DDS, MS, Jiang Chen, DDS,PhD, JianhuiJiang, DDS, MS, et al. Comparison of soft tissuehealing around implants in beagle dogs:flap surgeryverus flapless surgery [J] . Oral and MaxillofacialSurgery, 2013, 115 (3) : e21 -e27.
5Mohanmmed Jasim Al-Juboori, Shafluzan Bin Ab-dulrahaman, Akram Jassan.Comparison of flaplessand conventional flap and the effect on crestal boneresorption during a 12-week heal period [J] .DentalImplantology Update, 2012,23 (2) : 9-16.
6Jeong S-M,Choi B-H,Kim J, Xuan F, Lee D-H,Mo DY, et al. Flapless dental implant surgery mayimprove hard and soft tissue outcome [ J] . OralSurg Oral Med Oral Pathol Oral Radiol Endod,2011, 111 ; 41-46.
7Raja V. Sunitha, MDS, MPH, Enukurthi Sapthagiri,MDS.Flapless implant surgery : a 2-year follow-upstudy of 40 implants [J] . Oral and MaxillofacialSurgery, 2013,116 (4) : e237-e247.
8Jill D. Bashutski, D.D.S., M.S., Horn-Lay Wang; D.D.S., M.S.D. Ph.D., Ivan Rudek, D.D.S.,IldefonsoMoreno, D.D.S. *, Tapan Koticha B.D.S.*, Tae-JuOh, D.D.S., M.S.* [J] . Journal of Periodontology,2013,10 (1902) : 01-12.
9Gioacchino Cannizzaro, MD, DDS, Michele Leone,MD,DDS, Ugo Consolo, MD,Vittorio Ferri, MD,DDS, Marco Esposito, DDS, PhD. Immediate Func-tional Loading of Implants Placedwith FlaplessSurgery Versus Conventional Implants in PartiallyEdentulous Patients:A 3 一Year Randomized Con-trolled Clinical Trial [J]. The International Journal ofOral & Maxillofacial Implants, 2008,23 : 867-875.
10Van de Velde T,Sennerby L,De Bruyn H. Theclinical and radiographic outcome of implantsplaced in the posterior maxilla with a guided flap-less approach and immediately restored with a pro-visional rehabilitation: a randomized clinical trial.[J] . 2010, 21 (11) : 1223-1233.
