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Birnie D, Harridine N Semin Orthodont 2008; 14: 1–4

This paper comprises the introduction to a complete edition of the journal that is devoted entirely to self-ligating brackets. This overview is wide-ranging, insightful and clear to understand by all dentists. It states that despite the advantages of self-ligating brackets, specifically 1) 'consistent full bracket engagement' with the archwire, 2) 'reduced friction between the archwire and the bracket that allows more rapid tooth movement' and 3) more predictable control of tooth position, the 'speciality has been relatively slow to adopt this innovation'. In addition, there are purported more subtle advantages, such as increased anchorage, the use of lighter forces, less need for extraction, that 'raise questions of smile and facial esthetics' and tooth stability.