Bolk's theories of dentition.
D000818:Animals; D001641:Bicuspid / Q000033:anatomy & histology; D003481:Cuspid / Q000033:anatomy & histology; D003817:Dentition; D006665:History of Dentistry; D049672:History, 19th Century; D049673:History, 20th Century; D015186:Hominidae; D006801:Humans; D007180:Incisor / Q000033:anatomy & histology; D008963:Molar / Q000033:anatomy & histology; D009426:Netherlands; D011323:Primates; D012104:Reptiles