title: Treatment of palatally impacted cuspids with the extrusion spring arm.
authors.forename: S J
authors.initials: SJ
authors.lastname: Terry
authors.forename: M E
authors.initials: ME
authors.lastname: Thomson
mesh_terms: D000293:Adolescent; D002648:Child; D003481:Cuspid; D005260:Female; D006801:Humans; D008437:Maxilla; D009967:Orthodontic Appliances; D014087:Tooth Movement Techniques / Q000295:instrumentation*; D014095:Tooth, Impacted / Q000628:therapy*