Application of modified lateral window for maxillary sinus floor augmentation

• Published in: Zhejiang da xue xue bao. Journal of Zhejiang University. Medical sciences. Yi xue ban Vol. 46; no. 6; pp. 630 - 636
• Main Authors: Lu, Wei, Lin, Mengna, Zhao, Shifang, Wang, Huiming, He, Fuming
• Format: Journal Article
• Language: Chinese
• Published: China 25.05.2017
• Subjects: Dental Implantation, Endosseous; Follow-Up Studies; Humans; Maxillary Sinus - surgery; Sinus Floor Augmentation - methods; Treatment Outcome
• ISSN: 1008-9292

To evaluate the clinical efficacy of modified lateral window for maxillary sinus floor augmentation (MSFA). Fifty-five patients who visited the Stomatology Hospital Affiliated to Zhejiang University School of Medicine between June 2012 and October 2014 were enrolled in the study. Patients underwent MSFA with Bio-Oss grafts based on modified access window. During the operation the vertical height of the bony window was reduced from 6-8 mm of conventional oval window to 4-5 mm of slot-shaped window. The sinus membrane was detached completely via the lateral access and large particle Bio-Oss graft was placed in the sub-mucosal space. The implant survival, graft height, graft volume and resorption rates were measured. Intra-op and post-op complications were recorded. There were 86 implants inserted. The 2-4 year cumulative survival rates were 97.67% by implant-based analysis and 96.36% by patient-based analysis. The residual bone height was (4.7±2.6) mm and bone width was (8.4±2.7) mm. The bone height of implanta