Treatment variations of IMPA in relation to extraction areas, and the class of malocclusion.
D000293:Adolescent; D002508:Cephalometry; D002648:Child; D005260:Female; D006801:Humans; D007180:Incisor / Q000033:anatomy & histology*; D008297:Male; D008310:Malocclusion / Q000145:classification / Q000473:pathology / Q000628:therapy*; D008334:Mandible / Q000033:anatomy & histology*; D012690:Serial Extraction