title: Pressure-appliance therapy following premature loss of primary molars.
mesh_terms: D002675:Child, Preschool; D004867:Equipment Design; D005260:Female; D006801:Humans; D008297:Male; D008963:Molar / Q000502:physiology / Q000601:surgery*; D009967:Orthodontic Appliances; D011312:Pressure; D013027:Space Maintenance, Orthodontic / Q000295:instrumentation*; D014078:Tooth Eruption; D014081:Tooth Extraction / Q000534:rehabilitation*; D014085:Tooth Migration / Q000517:prevention & control; D014094:Tooth, Deciduous / Q000601:surgery*