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The effective use of fluorides in public health.

Case study 2 Salt fluoridation in Jamaica Salt fluoridation was introduced into Jamaica (population, 2.5 million) in 1987; all salt for human consumption is fluoridated (30). Fluoride toothpastes had been available in the country since 1972, and while their use may have had a protective effect (32), the notable decline in the prevalence of dental caries after 1984 may be considered to be primarily attributable to the introduction of fluoridated salt (27). In 1984, a survey of oral health ca