title: Northcroft Memorial Lecture self-ligation: past, present and future.
authors.affiliation: Bristol Dental Hospital, Bristol, UK. Nigel.Harradine@bristol.ac.uk
authors.forename: Nigel
authors.initials: N
authors.lastname: Harradine
mesh_terms: D005544:Forecasting; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D016382:Orthodontic Appliance Design / Q000266:history / Q000639:trends; D016910:Orthodontic Brackets / Q000266:history / Q000639:trends; D009969:Orthodontic Wires; D013499:Surface Properties; D013674:Technology, Dental / Q000295:instrumentation / Q000639:trends; D014087:Tooth Movement Techniques / Q000295:instrumentation