Oral Health-Related Quality of Life Between Two Different Types of Orthodontic Appliances

Patients who have mild crowding from the Orthodontic Department at University of Damascus Dental School will be treated in this trial. The effects of modified aligner appliance with NiTi springs on oral health-related quality of life (OHRQoL) compared with conventional fixed appliances using the OHIP-14 questionnaire during orthodontic treatment. So, this study aims to compare the changes in OHRQoL between patients receiving modified aligner appliances or conventional fixed appliances during orthodontic treatment. There are two groups: 1. Experimental group: the patients in this group will be treated using a modified aligner appliance. 2. Control group: the patients in this group will be treated using conventional fixed appliances