Who uses the services of orthodontists?
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007182:Income; D008297:Male; D009971:Orthodontics, Corrective / Q000706:statistics & numerical data*; D012737:Sex Factors; D044465:White People