Fig. 2From: Increase in dental caries and change in the socioeconomic profile of families in a child cohort of the primary health care in Northeast BrazilVariation in mean dmft according to the categories of mother’s occupation. aCaries index, dmft (decayed, missing and filled teeth) index. bThe statistical significance (p ≤ 0.05) of the dmft distribution was assessed using the Kruskal-Wallis testBack to article page