The significant positive correlation between the degree of coronary artery stenosis (84.34 ± 15.26%) with Probing Pocket Depth (1.80 ± 0.70 mm) (r = 0.221, p < 0.01), Clinical Attachment Loss (3.99 ± 1.19 mm) (r = 0.275, p < 0, 01) and with the levels of periodontitis (light, medium, heavy) (r = 0.239, p < 0.01).