Binaural Beat Music, Stress, and Orthodontic Anxiety

The goal of this clinical trial is to learn if alpha binaural beat-embedded relaxing music reduces anxiety and stress in adolescents undergoing orthodontic bracket placement. It will also learn about the safety and effectiveness of music-based auditory interventions. The main questions it aims to answer are: Does alpha binaural beat music reduce anxiety levels during orthodontic bracket placement? Does music listening reduce physiologic stress parameters and salivary stress biomarkers? Is alpha binaural beat music more effective than relaxing music alone? Researchers will compare alpha binaural beat music and relaxing music to a control condition (headphones without audio) to see if these interventions reduce anxiety and stress during orthodontic treatment. Participants will: Be randomly assigned to one of three groups: alpha binaural beat music, relaxing music, or control Listen to the assigned audio (or no audio) during orthodontic bracket placement Complete anxiety questionnaires before and after the procedure Undergo measurements of blood pressure, heart rate, respiratory rate, body temperature, and oxygen saturation Provide saliva samples before and after the procedure for analysis of cortisol, alpha-amylase, and pH levels