Introduction: We investigated the association of periodontitis and severity of coronary artery disease (CAD) as verified using coronary angiography.
Material And Methods: Participants were recruited among those attending coronary angiography at Helsinki University Central Hospital, Finland, in 2007 and 2008. Detailed clinical periodontal examination [number of teeth, bleeding on probing, periodontal probing depth (PPD)] and oral panoramic radiographs [alveolar bone loss (ABL), angular bone defects] were performed.
Results: Of 506 patients, 123 (24.3%) had no significant CAD, whereas 184 (36.4%) had stable CAD and 169 (33.4%) acute coronary syndrome (ACS). Both stable CAD and ACS were associated with 8-17 missing teeth with ORs 4.33 (1.61-11.7, p = 0.020) and 5.24 (1.90-14.5, p = 0.014), and more than seven teeth with PPD ≥6 mm with ORs 2.44 (1.01-6.07, p = 0.049) and 2.75 (1.16-6.53, p = 0.022) respectively. Severe ABL was associated with ACS with an OR 5.39 (1.23-23.6, p = 0.025). Number of stenosed arteries was linearly associated with ABL (p for trend <0.001), number of missing teeth (p < 0.001), and pockets with probing depth ≥6 mm (p = 0.033).
Conclusions: Compared with patients with no significant stenosis, poor periodontal health including missing teeth, periodontal inflammation, and bone loss is associated with angiographically verified coronary artery narrowing in patients with stable CAD or ACS.
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