title: Index for measurement of lower labial segment crowding.
mesh_terms: D002508:Cephalometry; D003481:Cuspid / Q000033:anatomy & histology; D003724:Dental Arch / Q000033:anatomy & histology*; D006801:Humans; D007180:Incisor / Q000033:anatomy & histology; D003765:Models, Dental; D009811:Odontometry