title: [PG-Universal retraction system. Theoretical aspects and clinical application. 2. Controlled incisor retraction].
authors.affiliation: Royal Dental College, Aarhus C.
authors.forename: P
authors.initials: P
authors.lastname: Gjessing
mesh_terms: D000293:Adolescent; D006801:Humans; D007180:Incisor; D008297:Male; D008310:Malocclusion / Q000150:complications / Q000628:therapy*; D013706:Temporomandibular Joint Dysfunction Syndrome / Q000209:etiology; D014087:Tooth Movement Techniques / Q000379:methods*
vernacular_title: Das PG-Universal-Retraktionssystem. Theoretische Aspekte und klinische Anwendung. Teil 2: Kontrollierte Schneidezahnretraktion.