title: [Physiological crowding and discrepancy].
mesh_terms: D002648:Child; D002675:Child, Preschool; D003818:Dentition, Mixed; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D008310:Malocclusion / Q000453:epidemiology / Q000209:etiology*; D014078:Tooth Eruption