“EFFECTIVENESS OF ROBUSTA SEMENDO COFFEE EXTRACT IN THE TREATMENT OF CHRONIC PERIODONTITIS ON REDUCING THE COUNT OF PMN CELLS IN WISTAR RATS”. International Journal of Dentistry Scientific, vol. 2, no. 1, Dec. 2024, pp. 44-56, http://ijds-pdgipalembang.com/index.php/ijds/article/view/29.