Osseodensified Crestal Sinus Window Augmentation: An Alternative Procedure to the Lateral Window Technique

Nilesh Salgar
Journal of Oral Implantology 2020 July 14
A novel minimally invasive technique, osseodensification, is proposed to facilitate maxillary sinus bone graft augmentation. The Osseodensified Crestal Window overcomes the previous limitations of traditional crestal approaches with respect to residual bone height (RBH) of ≤ 1.5 mm as well as vertical height of augmentation (> 10 mm). Three patients, healthy and non-smoking, with three distinct and difficult clinical situations requiring sinus augmentation and having a maximum of 1.5 mm RBH (0.4 mm - 1.5 mm) were selected for this procedure. Edentulous sections were large (entire posterior sextant, both with and without sinus septa), and small (single maxillary molar). The author ensured compliance with EQUATOR Guidelines (CARE Case Report Checklist). All healing was rapid and uneventful with no instances of sinus membrane perforation or other complications seen. The vertical increase in bone height ranged from 10.3 mm to 13.6 mm. The proposed crestal sinus lift technique is a potentially safe and effective procedure that overcomes the long-established restrictions of transalveolar sinus augmentation. The increase in bone height is comparable to that obtained with lateral window procedures. This innovative technique may possibly provide a viable alternative to the rationale for the lateral window approach.

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