1Kopecka D, Simunek A, Brazda T, et al. Relation- ship between subsinus bone height and bone volume requirements for dental implants: a human radio- graphic study [J] . Int J Oral Maxillofac Implants, 2012, 27 (1) : 48-54.
2Tatum H J. Maxillary and sinus implant reconstruc- tions [J] . Dent Clin North Am, 1986, 30 (2) : 207-229.
3Summers R B. A new concept in maxillary implant surgery: the osteotome technique [J] . Compendium, 1994,15 (2) : 152, 154-156, 158, 162.
4Wallace S S, Tarnow D P, Froum S J, et al. Maxil- lary sinus elevation by lateral window approach: evolution of technology and technique [J] . J Evid Based Dent Pract, 2012,12 (3 Suppl) : 161-171.
5Cortes A R, Pinheiro L R, Cavalcanti M G, et al. Si- nus floor bone failures in maxillary sinus floor aug- mentation: a case-control study [Z] . 2015, 17 : 335-342.
6Nedir R, Nurdin N, Vazquez L, et al. Osteotome Si- nus Floor Elevation without Grafting: A 10-Year Prospective Study [ J] . Clin Implant Dent Relat Res, 2015.
7Gonzalez S, Tuan M C, Ahn K M, et al. Crestal ap- proach for maxillary sinus augmentation in patients with </= 4 mm of residual alveolar bone [J] . Clin Implant Dent Relat Res, 2014, 16 (6) : 827-835.
8Teng M, Liaug X, Yuan Q, et al. The inlay os- teotome sinus augmentation technique for placing short implants simultaneously with reduced crestal bone height. A short-term follow-up [J] . Clin Im- plant Dent Relat Res, 2013, 15 (6) : 918-926.
9Kiyokawa K, Kiyokwa M, Sakaguchi S, et al. Endo- scopic maxillary sinus lift without vestibular mucosal incision or bone graft [J] . J Craniofac Surg, 2009, 20 (5) : 1462-1467.
10Perez-Martinez S, Martorell-Calatayud L, Penar- rocha-Oltra D, et al. Indirect sinus lift without bone graft material: Systematic review and meta-analysis [J] . J Clin Exp Dent, 2015, 7 (2) : e316-e319.
