Abstract
THE purpose of this study was to determine if a significant difference existed between specified high- and low-fluoride drinking water areas in the incidence of stapedial otosclerosis, hearing losses of all types (including stapedial otosclerosis), and stapedial otosclerosis in proportion to the hearing losses of all types. Many studies have presented evidence as to the relationship of fluoride and dental health. Dental fluorosis, a condition of mottled enamel resulting from long-continued high intake of fluorine, was first reported by McKay and Black. 1 In contrast to the detrimental effects of fluoride in the drinking water are its beneficial effects with regard to the incidence of dental caries, 2-4 peridontal disease, 5 and malocclusion. 6 Fluoride ingestion, whether through the drinking water or through daily oral dosages, has been found to be beneficial in the prevention as well as control of certain bone diseases characterized by abnormal bone resorption. Leone 7
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