[Comparative characteristics of the extent of orthodontic care for children in relation to age].
D000293:Adolescent; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D006801:Humans; D008310:Malocclusion / Q000628:therapy; D009967:Orthodontic Appliances; D009971:Orthodontics, Corrective; D012426:Russia; D013997:Time Factors
Sravnitel'naia kharakteristika ob''ema ortodonticheskoĭ pomoshchi v zavisimosti ot vozrasta deteĭ.