Distribution of the mandibular incisor-mandibular plane angle in Nubian shoolchildren.
D000293:Adolescent; D000351:Africa, Eastern; D000367:Age Factors; D002508:Cephalometry; D002648:Child; D006801:Humans; D007180:Incisor / Q000033:anatomy & histology*; D008334:Mandible; D012737:Sex Factors