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Volume 27 , Issue 5
September/October 2012

Pages 12051210

Clinical Evaluation of Lateral and Osteotome Techniques for Sinus Floor Elevation in the Presence of an Antral Pseudocyst

M. Isa Kara, DDS, PhD/Omer Kirmali, DDS, PhD/Sinan Ay, DDS, PhD

PMID: 23057035

Purpose: The aim of this retrospective study was to evaluate results and complications in sinus floor augmentations performed in the presence of antral pseudocyst. Materials and Methods: Two hundred thirtyfive sinus floor augmentation procedures performed in 179 patients (102 men and 77 women; mean age, 46.3 years; range 24 to 77 years) were included in the study. All patients had been admitted between 2007 and 2010 and treated with sinus augmentation in a single-stage or two-stage procedure using lateral sinus floor elevation (LSFE) or in a single stage via osteotome sinus floor elevation (OSFE). Results: A total of 29 (16.2%) patients had 32 (13.6%) sinus floor augmentation procedures performed in the presence of an antral pseudocyst. Faint dome-shaped radiopacities were detected at the floor of the antrum of these patients. No sinus membrane tears occurred during elevation in the LSFE group. Two patients in the LSFE group and one patient in the OSFE group developed acute sinusitis during the postoperative period and were treated with medical therapy. No symptoms of acute sinusitis or any other complications were encountered in the remaining patients after an average 17-month follow-up period. Conclusions: Pseudocysts of the maxillary sinus may not be a contraindication for sinus augmentation by OSFE or LSFE techniques. However, detailed evaluation of patients is crucial to prevent undesirable complications. Further studies of larger patient populations are needed to reach definitive conclusions. Int J Oral Maxillofac Implants 2012;27:12051210

Key words: maxillary sinus, pseudocyst, sinus elevation

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