title: Impacted premolars. An analysis of 10 000 orthopantomograms.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D001641:Bicuspid / Q000000981:diagnostic imaging*; D005260:Female; D005387:Finland; D006801:Humans; D008297:Male; D008334:Mandible; D008437:Maxilla; D008875:Middle Aged; D011862:Radiography, Panoramic; D014095:Tooth, Impacted / Q000000981:diagnostic imaging* / Q000453:epidemiology; D014505:Urban Population