Al-Ali, Dhuha A., and D. Al Groosh. “The Influence of Fixed Orthodontic Retainer on Oral Microbiota”. International journal of health sciences 6, no. S1 (April 6, 2022): 3603–3612. Accessed July 31, 2026. https://www.sciencescholar.us/journal/index.php/ijhs/article/view/5515.