EVALUASI STATUS PERIODONTAL DAN KADAR SITOKIN PADA PENDERITA PERIODONTITIS LANJUT USIA (Kajian pada Indeks Plak, Indeks Perdarahan Papila, Interleukin 1 Beta, Tumour Necrosis Factor Alpha, dan Interleukin 10) = EVALUATION OF PERIODONTAL STATUS AND CYTOKINES LEVEL IN ELDERLY SUBJECTS WITH PERIODONTITIS (Examination of Plaque Index, Papilla Bleeding Index, Interleukin 1 Beta, Tumour Necrosis Factor Alpha, and Interleukin 10)