title: Facial soft tissue profile change in the North American Black with four first premolar extractions.
authors.forename: D M
authors.initials: DM
authors.lastname: Russell
authors.forename: R T
authors.initials: RT
authors.lastname: Nelson
mesh_terms: D001641:Bicuspid / Q000601:surgery*; D044383:Black People; D002508:Cephalometry; D005145:Face / Q000033:anatomy & histology*; D005260:Female; D006801:Humans; D008297:Male; D009656:North America; D014081:Tooth Extraction