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Effect of drinking water fluoridation on the prevalence of otosclerosis

Published online by Cambridge University Press:  29 June 2007

Eero Vartiainen  and
Terttu Vartiainen
Eero Vartiainen*
Affiliation:
Department of Otolaryngology, University of Kuopio, National Public Health Institute, Kuopio, Finland.
Terttu Vartiainen
Affiliation:
Division of Environmental Health, National Public Health Institute, Kuopio, Finland.
*
Address for correspondence: Dr E. Vartiainen, Department of Otolaryngology, University Hospital of Kuopio, FIN-70210 Kuopio, Finland. Fax: +358 17 172509
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Abstract

The effect of drinking water fluoridation on the prevalence of clinical otoscierosis was investigated in an area where the natural waters have a very low fluoride content. The methods included a retrospective chart review and a residential history questionnaire. Only subjects born between 1948 and 1962 were included. In this age group, the prevalence of clinical otosclerosis was found to be 0.35 per cent of persons exposed to fluoridated tap water and 0.32 per cent of those consuming fluoride-poor water. It seems that a sodium fluoride intake of 1 to 3 mg daily cannot prevent the development of clinical otosclerosis in a lowfluoride area.

Keywords

Sodium fluorideOtosclerosisDeafness
Type
Main Articles
Information
The Journal of Laryngology & Otology , Volume 111 , Issue 1 , January 1997 , pp. 20 - 22
Copyright
Copyright © JLO (1984) Limited 1997

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