Sazgar Kamil Hussein (2026) “Short-Term Effect of Fixed Orthodontic Appliances on Salivary pH and Its Correlation with Periodontal Health Indicators”, International Journal of Special Education, 41(14s), pp. 504–517. Available at: https://internationalsped.com/index.php/ijse/article/view/4645 (Accessed: 16 September 2026).