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What is Recommended flouride concentration in water to prevent caries is: March 2010 and explain in detail?
Ans. C: 1ppm Water fluoridation is the process of adding fluoride to the water supply so that the level reaches approximately 1 pa fluoride per million pas water (ppm) or 1 milligram fluoride per liter of water (mg/ L); this is the optimal level for preventing tooth decay.