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Volume 23 , Issue 5
September/October 2008

Pages 955–959

Protracted Benign Paroxysmal Positional Vertigo Following Osteotome Sinus Floor Elevation: A Case Report

George Nan-Chang Su, DDS, PhD/Pei-Wei Tai, DDS, MS/Po-Tsang Su, MD/Hua-Hong Chien, DDS, PhD

PMID: 19014169

Benign paroxysmal positional vertigo (BPPV) is a relatively rare condition characterized by onset of rotation dizziness triggered by head movements or change in posture. BPPV etiology includes head injury, infection, vascular disorders, surgical trauma, and idiopathic events. This report presents a case of protracted BPPV following osteotome sinus floor elevation and simultaneous implant placement. A 49-year-old female suffered intense vertigo and nausea immediately after implant placement using an osteotome sinus floor elevation procedure, especially when changing head position while sitting upright. Despite antivertigo medications, the condition did not improve. Following referral to a neurotologist, BPPV contralateral to the operation site was diagnosed 14 days after the osteotome sinus floor elevation procedure. The Epley’s maneuver was then applied and, gradually, symptoms of BPPV disappeared 3 months after the implant surgery. No recurrence of BPPV was observed during further 3-month follow-up. Prevention and management of osteotome sinus floor elevation–related BPPV are reviewed in this report. Int J Oral Maxillofac Implants 2008;23:955–959 Key words: benign paroxysmal positional vertigo, canalith repositioning procedure, dental implantation, osteotome sinus floor elevation

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