Early Childhood Caries (ECC) is considered a problem of public health for certain groups of children, including non-privileged ones. ECC describes the presence of one or more decayed (non-cavitated or cavitated lesion), missing (due to caries), or filled tooth surfaces, i.e. d 1 efs scores, on any primary tooth in children up to 71 months of age. […]
Carvalho, J. C., Silva, E. F., & Mestrinho, H. D. (2009). Early Childhood Caries in Brazilian Non-privileged Preschool Children. Caries Research, 43(3), 181. https://hdl.handle.net/2078.5/169176 (Original work published 2009)