The effect of attrition on the pre-Columbian Indian arch length.
D003724:Dental Arch / Q000033:anatomy & histology*; D049668:History, 15th Century; D049669:History, 16th Century; D049670:History, 17th Century; D049690:History, Ancient; D049691:History, Medieval; D006801:Humans; D007199:Indians, South American / Q000266:history; D009811:Odontometry; D010568:Peru; D014070:Tooth / Q000033:anatomy & histology; D014072:Tooth Abrasion / Q000150:complications / Q000266:history*