Labyrinthine concussion and positional vertigo after osteotome site preparation.

An incident of positional vertigo associated with osteotome technique for installation of multiple maxillary dental implants is reported. The symptoms resolved after 2 weeks with restricted physical activity and prohibition of lifting. There is a discussion of labyrinthine concussion and treatments. Suggestions for prevention are to use small sizes of osteotomes first and then progress to larger sizes and to avoid neck extension head position during osteotome use.