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Chinese Journal of Dental Research
Chin J Dent Res 20 (2017), No. 4     4. Dec. 2017
Chin J Dent Res 20 (2017), No. 4  (04.12.2017)

Page 211-218, doi:10.3290/j.cjdr.a39220, PubMed:29181458

Minimally Invasive Crestal Sinus Lift Technique and Simultaneous Implant Placement
Zhou, Xian / Hu, Xiu Lian / Li, Jian Hui / Lin, Ye
Objective: To evaluate the effectiveness and clinical results of a new crestal sinus lift technique used to elevate the sinus floor simultaneously with bone grafts and implant placement.
Methods: Eleven patients underwent this crestal sinus lift technique performed using an SCA KIT. The mean residual bone height was 6.4 mm (range: 4.1 mm to 8.6 mm). Bio-Oss collagen was used as the graft material, and 12 implants were simultaneously placed after sinus augmentation. Radiographic and clinical examinations were conducted during follow-up.
Results: All procedures were successfully performed with no obvious Schneiderian membrane perforation. The sinus floor was augmented with a mean height of 4.8 mm (range: 2.8 to 7.4 mm). Twelve implants healed uneventfully with healing abutments. Peri-implant marginal bone was stable, with a mean follow-up of 49.4 months (range: 33 to 71 months). No complications were observed during follow-up.
Conclusion: According to the limited data collected in this study, the novel crestal sinus lift approach could effectively lift the sinus floor and reduce the incidence of postoperative complications. Additional cases with long-term follow-up are needed to confirm and improve this crestal sinus lift technique.

Keywords: bone graft, bone regeneration, dental implant, minimally invasive, osteotome, sinus lift