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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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Normal fluoride level in water:
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The correct answer is  Ref: 21st edition Park, pg 577 & pg 668Explanation:The major source of fluorine to man is drinking water.In most parts of India the fluoride content of drinking water is about 0.5 mg/L.The recommended maximum limit of concentration of fluoride is 1.5 mg/litre.