参考文献

[1]Botticelli D,Berglundh T,Lindhe J.Hard-tissue alterations following immediate implant placement in extraction sites[J].J Clin Periodontol,2004,31(10):820-828.

[2]Viña-Almunia J,Candel-Martí ME,Cervera-Ballester J,et al.Buccal bone crest dynamics after immediate implant placement and ridge preservation techniques:review of morphometric studies in animals[J].Implant Dent,2013,22(2):155-160.

[3]Hürzeler MB,Zuhr O,Schupbach P,et al.The socket- shield technique:a proof-of-principle report[J].J Clin Periodontol,2010,37:855-862.

[4]Bäumer D,Zuhr O,Rebele S,et al.The socket-shield technique:first histological,clinical,and volumetrical observations after separation of the buccal tooth segment—a pilot study[J].Clinical Implant Dentistry & Related Research,2015,17(1):71.(https://www.daowen.com)

[5]Bäumer D,Zuhr O,Rebele S,et al.Socket Shield Technique for immediate implant placement - clinical,radiographic and volumetric data after 5 years[J].Clin Oral Implants Res,2017,28(11):1450-1458.

[6]Lau S L,Chow J,Li W,et al.Classification of Maxillary Central Incisors—Implications for Immediate Implant in the Esthetic Zone[J].Journal of Oral & Maxillofacial Surgery Official Journal of the American Association of Oral & Maxillofacial Surgeons,2011,69(1):142-153.

[7]Xu D,Wang Z,Sun L,et al.Classification of the Root Position of the Maxillary Central Incisors and its Clinical Significance in Immediate Implant Placement[J].Implant Dent,2016,25(4):520-524.