Who uses the services of oral and maxillofacial surgeons?
D000293:Adolescent; D000328:Adult; D001741:Black or African American; D000367:Age Factors; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007182:Income; D008297:Male; D008875:Middle Aged; D013515:Surgery, Oral / Q000706:statistics & numerical data*; D014481:United States; D044465:White People