4Baldi D, Menini M, Pera F, et al. Sinus floor elevation using osteotomes or piezoelectric surgery[J]. Int J Oral Maxillofac Surg, 2011, 40(5):497-503.
5Kopecka D, Simunek A, Brazda T, et al. Relationship between subsinus bone height and bone volume re?quirements for dental implants: A human radiographic study[J]. Int J Oral Maxillofac Implants, 2012, 27(1): 48-54.
6Peleg M, Garg AK, Mazor Z. Predictability of simultaneous implant placement in the severely atrophic posterior maxilla: A 9-year longitudinal experience study of 2 132 implants placed into 731 human sinus grafts[J]. Int J Oral Maxillofac Implants, 2006,21(1):94-102.
7Thorwarth M, Schlegel KA, Wehrhan F, et al. Ace- eleration of de novo bone formation following ap?plication of autogenous bone to particulated anor?ganic bovine material in vivo[J]. Oral Surg Oral Med Oral Pathol Oral Radiol Endod, 2006, 101(3):309- 316.
8Renouard F, Nisand D. Impact of implant length and diameter on survival rates] J]. Clin Oral Implants Res, 2006, 17(Suppl 2):35-51.
9Sun HL, Huang C, Wu YR, et al. Failure rates of shortt s; 10 mm) dental implants and factors in?fluencing their failure: A systematic review[J]. Int J Oral Maxillofac Implants, 2011, 26(4):816-825.
10Blanes RJ, Bernard JP, Blanes ZM, et al. A IO-year prospective study of III dental implants placed in the posterior region. II: Influence of the crown-to-im?plant ratio and different prosthetic treatment modalities on crestal bone 10ss[J]. Clin Oral Implants Res, 2007,18(6):707-714.
