Comparison of esthetic outcome after extraction or non-extraction orthodontic treatment in class II division 1 malocclusion patients
Introduction: The extraction of premolars as a practical form of orthodontic therapy has been accepted for many years, but Lap Tray there remains a controversy regarding the effect of premolar extraction to improve esthetics as well as dentoskeletal relationship.The esthetic impact of the soft-tissue profile might play a major role in deciding on p