Dr. Keihan Ahmadi-Simab, rheumatologist and immunologist from Hamburg, explains in an interview with MOPO that there is a close connection between rheumatoid arthritis and periodontitis. According to studies, patients with rheumatoid arthritis have an up to 6.1-fold increased risk of developing periodontitis and, conversely, periodontitis patients have an increased risk of rheumatoid arthritis. Click here for the full article.