Medicine: Polio Door

An unfilled dental cavity is an open door to polio. So conclude Neurologist Hans Reese of the University of Wisconsin and Dentist John G. Frisch of Madison, Wis. in the latest issue of Dental Digest.

Their warning dovetails neatly with the medical belief that tonsillectomies and tooth extractions are dangerous during polio season. Reason: many polio infections enter the body through exposed nerves in the nose or mouth, travel along nerves to the spinal cord, where their ravages begin. "The rich nerve supply of the dental pulp offers a most formidable invasion point for the virus," explain Drs. Reese and Frisch. Some...

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