Tooth crown diameters, such as maximum mesiodistal and buccolingual measurements, have frequently been the subject of analysis by dentists, geneticists, and physical anthropologists. Crown diameters are, however, the composites of dentine, a neural crest (ectomesenchymal) derivative, and the enamel covering, which is an ectodermal tissue, and the dimensions of these two tissues need not co-vary.
There [...]