Comparison Between Effectiveness of Different Esthetic Orthodontic Appliances

The purpose of this study is to compare the effectiveness of active fixed lingual wire, removable aligners, and lingual braces in managing crowding of the lower anterior teeth resulting from relapse. The study intends to evaluate these interventions concerning the degree of alignment achieved in the lower anterior teeth, treatment duration, patient discomfort, patient acceptance, gingival inflammation and the cost effectiveness.