Evidence based dentistry enables the clinician to seek their patient with care, smooth functions and esthetics. Evidence Based Orthodontics is branch of Evidence Based Practice ( EBP ). In the current era of controversies evidence based orthodontics helps the clinician to select appropriate treatment for every patient with ease. There are multiple research work regarding EBO, in this review I have tried to concise those literatures. Included debate regarding different treatment protocols since old era od orthodontics.