Alteration of Taste Among Orthodontic Patients Following Clear Aligners Treatment

The goal of this clinical trial is aimed to assess the gustatory perception and alteration in patients using either clear aligners or fix orthodontics treatment in orthodontic patient aged +18 years and not have any endocrine abnormalities, internal diseases, middle ear affections, xerostomia, or depression. The main question it aims to answer are: Does the clear aligner have an effect on taste perception following the treatment? Participants will be given a questionnaire before and after the orthodontic treatment to assess the taste perception following the orthodontic treatment. In addition, The Burghart taste strips (ODOFIN taste strips) will clinically assess the taste's function by using four concentrations on three separate occasions (T0, T1, and T2) ,The taste strips will be placed in about the same order; they will apply to the protruding tongue immediately posterior to its first third, either to the left or right side, to study lateralization. subjects will then be asked to close their mouths and choose one of five possible answers on a scale (sweet, sour, salty, bitter, no taste).