PERIODONTITIS AND SYSTEMIC DISEASE: BIDIRECTIONAL PATHOGENIC MECHANISMS, DIAGNOSTIC CLASSIFICATION, AND EVIDENCE-BASED PERIODONTAL THERAPY. jmsi [Internet]. 2026 Mar. 22 [cited 2026 Jul. 28];5(03):1670-6. Available from: https://ijmri.de/index.php/jmsi/article/view/6581