Behavior or erupting crowded lower incisors.
D000293:Adolescent; D002648:Child; D005260:Female; D006801:Humans; D007180:Incisor / Q000502:physiology; D008297:Male; D008310:Malocclusion / Q000503:physiopathology; D014070:Tooth / Q000502:physiology*; D014078:Tooth Eruption; D014094:Tooth, Deciduous / Q000502:physiology*