THE RELATIONSHIP BETWEEN ELDERLY KNOWLEDGE ABOUT ORAL HEALTH AND PERIODONTITIS AT POSYANDU KEMUNING REJOSOPINGGIR VILLAGE JOMBANG DISTRICT. International Journal of Advanced Health Science and Technology [Internet]. 2026 Apr. 17 [cited 2026 Apr. 17];6(2):120-5. Available from: https://ijahst.org/index.php/ijahst/article/view/564