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What percentage of people over 65 have severe periodontal disease?

According to the Centers for Disease Control and Prevention (CDC), research from the National Health and Nutrition Examination Survey (NHANES) indicates that roughly 16.2% of U.S. adults aged 65 or older suffer from severe periodontal disease. Understanding **what percentage of people over 65 have severe periodontal disease** is crucial for recognizing the importance of proactive oral healthcare throughout the aging process.