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Volume 21 , Issue 5
September/October 2001

Pages 475485

Localized Augmentation of the Maxillary Sinus Floor Through a Coronal Approach for the Placement of Implants

Fabrizio Cavicchia, DDS, Fabrizio Bravi, DDS, Giuliano Petrelli, MD

PMID: 11693240
DOI: 10.11607/prd.00.0431

Excessive pneumatization of the maxillary sinus subsequent to the loss of teeth frequently interferes with the placement of osseointegrated implants. Many techniques have been developed and tested to reduce the size and alter the anatomy of the sinus to augment the quantity of bone available for an adequate number of prosthetically well-placed implants of a satisfactory length. Most of these describe extensive one- or two-stage sinus grafting procedures that are usually performed through a lateral approach. A technique of localized elevation of the maxillary sinus floor through a less-invasive crestal approach is presented here. Ninety-seven implants were placed with this technique between 1991 and 1998. The healing was always uneventful, without any sign of pathologic reaction in the maxillary sinus. Eighty-six implants were successfully loaded for a period between 6 and 90 months (mean 35 months). Eight implants failed to integrate, and three were lost after different periods of function, for a cumulative success rate of 88.6%. (Int J Periodontics Restorative Dent 2001;21:475485.)

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