Winiati, Endang, Annisa Nurrahma Alwiyansyah, James Sebastian, Kevin Owen, and Gheta Anggun. “Efficacy of Non-Surgical Therapy on IL-6 Levels in Patients With Chronic Periodontitis: A Systematic Review”. Dentika: Dental Journal 27, no. 1 (June 28, 2024): 49–57. Accessed August 18, 2025. https://idjpcr.usu.ac.id/dentika/article/view/15272.