Keterkaitan Antara Periodontitis dengan Hendaya Kognitif pada Subjek Lanjut Usia (Kajian pada Status Periodontal, Interleukin 1 Beta, dan Tumor Necrosis Factor Alpha) = Association between Periodontitis and Cognitive Impairment in Elderly Subjects (Assessment of Periodontal Status, Interleukin 1 Beta, and Tumor Necrosis Factor Alpha)