Horizontal grooves in skeletal teeth (linear enamel hypoplasia) are an indication of physiological stress on an individual in early childhood, between six months and six years of age. Disclaimer ...

Lastly, the prevalence of severe enamel defects, such as plane-form enamel hypoplasia, has been observed in wild Japanese macaques, which may be linked to environmental stressors and habitat changes.

I have maintained a long term research program into "enamel hypoplasia"; a methodological tool that is suited to the overwhelming prevalence of teeth in the fossil and prehistoric record. This tool ...