title: An appliance for space maintenance and molar guidance.
mesh_terms: D002675:Child, Preschool; D004867:Equipment Design; D005260:Female; D006801:Humans; D008963:Molar / Q000502:physiology* / Q000601:surgery; D009967:Orthodontic Appliances; D013027:Space Maintenance, Orthodontic / Q000295:instrumentation*; D014078:Tooth Eruption; D014081:Tooth Extraction / Q000534:rehabilitation; D014094:Tooth, Deciduous / Q000601:surgery