Myocardial Infarction and Periodontitis: Periodontal Health Intervention.

Exclusion Criteria

• •1\) under 30 years old; 2) HIV positive, chronic inflammation, tumor disease, drug dependence, use of anticonvulsants, use of immunosuppressive agents, pregnancy, and lactation; 3) significant tooth loss (number of remaining teeth \< 8); 4) long hospital stay (\>10 days), new myocardial infarction before randomization, and stent thrombosis; 5) Refusal to sign informed consent.