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Volume 23 , Issue 1
January/February 2008

Pages 129–132

Benign Paroxysmal Vertigo Secondary to Placement of Maxillary Implants Using the Alveolar Expansion Technique with Osteotomes: A Study of 4 Cases

Miguel Peñarrocha-Diago, MD, PhD, MS/Javier Rambla-Ferrer, DDS, MDS/Vanesa Perez, MD/Herminio Pérez-Garrigues, MD, PhD

PMID: 18416423

The osteotome method is an often-used technique of great utility in certain patients with maxillary bone atrophy. However, it has been associated with the provocation of benign paroxysmal positional vertigo (BPPV), which has been described as a consequence of working the implant bed with osteotomes. During the placement of maxillary dental implants using the osteotome technique, the trauma induced by percussion with the surgical hammer, along with hyperextension of the neck during the operation, can displace otoliths and induce BPPV. Four cases of BPPV occurring after the preparation of maxillary implant beds are presented. Treatment consists fundamentally of maneuvers to move the calcium carbonate crystals from their anomalous location in the semicircular canal to their correct place in the utricle. Int J Oral Maxillofac Implants 2008;23:129–132

Key words: benign paroxysmal positional vertigo, dental implants, osteotomes

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