KALLURI, Y.; CHAKRAVARTHY, Y.; REDDY, D. B. S.; NIMMALA, S. R. N.; PABBINEEDI, S. S. S.; GATHRAM, P. Corroborating of Depression, Anxiety, and Stress Scale-21 items (DASS-21) and the Perceived Stress Scale-10 items (PSS-10) and Psychological Features in patients with periodontitis: a questionnaire study. International Journal of Dental Materials, [S. l.], v. 6, n. 3, p. 58–63, 2024. DOI: 10.37983/IJDM.2024.6302. Disponível em: https://ijdm.co.in/index.php/dental-materials/article/view/157. Acesso em: 18 oct. 2024.