... in Medicaid Had Untreated Tooth Decay Figure 2: Proportion of Children in Medicaid Aged 2 through 18 with Tooth Decay, Untreated Tooth Decay, and Untreated Tooth Decay in Three or More Teeth, ... having experienced tooth decay if he or she had a tooth with untreated decay, had a tooth that had been treated for decay (meaning had a filling), or had lost a tooth due to decay. 17The extent ... of tooth decay, although the change was not statistically significant. Proportion of Children in Medicaid Aged 2 through 18 with Tooth Decay, Untreated Tooth Decay, and Untreated Tooth Decay...