Interleukin-17/β-Defensin-2 Expression Before and After Periodontal Therapy in a Patient With Periodontitis/Autoimmunity.

Periodontitis is a chronic inflammatory disease that affects the supporting tissues of the periodontium. Comorbidity in patients with periodontitis with rheumatoid arthritis and psoriasis has been documented. In immunopathogenesis, it has been described that interleukin 17 participates in periodontitis and autoimmune diseases.