In a 1990 survey,what percentage of adults in the United States chose fluoride when asked to identify the best method of preventing dental caries?

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Only 7% of adults considered fluoride the correct answer.Seventy-percent indicated toothbrushing and flossing to be the most effective method of preventing dental caries.Only 62% of adults had recognized that the primary purpose of water fluoridation is to prevent dental caries.Persons with lower levels of education,Hispanic adults,and African American adults were less likely to know the purpose of water fluoridation.

In a 1990 Survey,what Percentage of Adults in the United