Duration of tooth alignment with fixed appliances: A systematic review and meta-analysis

•Alignment of the dentition is a common outcome in orthodontic trials. •We have undertaken a systematic review and meta-analysis of alignment randomized clinical trials. •Alignment of the mandibular dentition takes 263.0 days. •Patient- and treatment-related characteristics affect tooth alignment duration. Introduction A key goal of orthodontic treatment with fixed appliances is alignment of the dentition, and this remains a commonly selected...