| Timing of First Visit |
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| • | Dental caries is
the single most common |
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| chronic childhood
disease-5 times more |
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| common than
asthma and 7 times more |
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| common than hay
fever |
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| • | Over 50 percent
of 5- to 9-year old children |
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| have at least one
cavity or filling, and the |
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| proportion
increases to 78 percent among |
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| 17-year olds |
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