Kadar Interleukin 1 Beta Cairan Sulkus Gingiva Subjek Penyakit Periodontal dan Riwayat Covid-19 (Evaluasi Parameter Klinis: Indeks Plak, Kehilangan Perlekatan Klinis, Perdarahan Papila Interdental, dan Gingival Index) = Interleukin 1 Beta Levels in Gingival Sulcus Fluid of Subjects with Periodontal Disease and a History of Covid-19 (A Study on Plaque Index, Clinical Attachment Loss, Papilla Interdental Bleeding, and Gingival Index)