[Survey on the malocclusion of deciduous teeth among 3,095 children in Tianjin].
D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D002681:China; D005260:Female; D006801:Humans; D008297:Male; D008310:Malocclusion / Q000453:epidemiology*; D012737:Sex Factors; D014094:Tooth, Deciduous