Adherence to dietary advice and proper oral hygiene practices during orthodontic treatment are critical to maintaining good oral health and achieving successful treatment results. Thus, understanding patients' habits and practices before, during, and after orthodontic treatment is needed to ensure better oral health-related behavior among these patients. Purpose: To investigate sugar-related dietary habits, visits to dental hygienists and dentists, and oral hygiene practices among patients during orthodontic treatment and after treatment compared to patients before treatment. Methods: A cross-sectional self-administered survey collected data from 375 patients (aged 10 years and older) from the Orthodontic Department