the effect of psychological stress on salivary alpha- amylase in pediatric patient. Mustansiria Dental Journal, [S. l.], v. 21, n. 2, p. 318–328, 2025. DOI: 10.32828/mdj.v21i2.1217. Disponível em: https://mdj.uomustansiriyah.edu.iq/index.php/mdj/article/view/1217. Acesso em: 4 jun. 2026.