The field of orthodontics has straddled the barrier separating oral health care and elective cosmetology. While societal and cultural habits and practices have shifted toward facial and anterior tooth esthetics, orthodontists have continued to view the primary goal of orthodontics as correcting tooth alignment and occlusion.Although some have questioned the rationale for Evidence-based orthodontics and the opportunities associated with this approach, it is clear that the evidence-based approach raises questions about how knowledge base has been incorporated into orthodontics, both in...