According to the report, tooth decay in the primary teeth of children between the ages of 2 and 5 has increased from 24 percent in 1988-1994 to 28 percent in 1999-2004. Tooth decay rates varied by race, ethnicity and poverty levels, as well. Mexican American children showed greater percentages of tooth decay than non-Hispanic white children, and the tooth decay rate for children below the federal poverty line was three times that of children above the poverty line.
In contrast to these numbers among preschoolers, there were many improvements among older American children. Tooth decay rates in children over the age of five decreased, and the use of dental sealants increased. Rates of moderate to severe gum disease decreased among adults, and more older adults retained their natural teeth.
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