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What is the most cost-effective and practical preventative measure to prevent tooth decay?
Regular dental check-ups
Community water fluoridation
Using dental floss
Eating less sugar
The correct answer is: Community water fluoridation
Community water fluoridation is the most cost-effective and practical preventative measure to prevent tooth decay because it benefits everyone in the community, regardless of income or access to dental care. While regular dental check-ups are important, they can be expensive and not everyone has access to them. Using dental floss and eating less sugar are also beneficial for oral health, but they are not as effective as community water fluoridation in preventing tooth decay. Additionally, using dental floss and eating less sugar require individual effort, whereas community water fluoridation is a widespread and easy solution that benefits everyone.