Most of what we know about the timing of human enamel formation comes from radiographic
studies on children of known age. Here, we present new longitudinal data derived from a
histological analysis of tooth enamel. Two samples, one from southern Africa and one from
northern Europe, contained all anterior and molar tooth types. Two further samples
contained only one tooth type: canines from a medieval Danish sample and third molars
from a modern North American sample. Data were collected on 326 molars and 352 anterior …