[Use of space-maintainers--when and how].
D002648:Child; D003817:Dentition; D006801:Humans; D008334:Mandible; D008437:Maxilla; D009973:Orthodontics, Preventive; D013027:Space Maintenance, Orthodontic; D014080:Tooth Exfoliation; D014094:Tooth, Deciduous
Bruk av plassholder--når og hvordan.