title: Orthopedic and orthodontic applications of the quad-helix appliance.
mesh_terms: D000328:Adult; D002675:Child, Preschool; D006801:Humans; D008310:Malocclusion / Q000628:therapy; D009968:Orthodontic Appliances, Removable; D010155:Palatal Expansion Technique / Q000295:instrumentation*; D013314:Stress, Mechanical; D014087:Tooth Movement Techniques / Q000295:instrumentation*; D014094:Tooth, Deciduous