This is the latest update of a Cochrane review which aims to assess the effects of initial arch wires for alignment of teeth with fixed orthodontic braces in relation to alignment speed, root resorption and pain intensity. The Cochrane Oral Health Group’s Trials Register, CENTRAL, Medline and Embase databases were searched.  Handsearching of a number … Continue reading No reliable evidence that any specific initial arch wire material is better than another for orthodontic treatment