Overview

The aim of this study is to establish a shared database of acute myocardial infarction patients with periodontitis, to clarify the clinical benefits of periodontitis intervention on acute myocardial infarction patients through simulated RCT study, and to establish a high-level database of acute myocardial infarction patients with periodontitis, so as to promote the application of oral health intervention in clinical practice.

Eligibility

Inclusion Criteria:

• 1)Patients diagnosed with ST-segment elevation myocardial infarction (STEMI). 2)Patients with severe periodontal disease, defined as:
  • 5 teeth with clinical attachment loss (CAL) ≥ 4 mm.
    • Subgingival probing depth (PD) ≥ 6 mm. ③≥ 8 teeth with gingival bleeding on probing (BOP). 3）Age ≥30 years. 4）Written informed consent provided.

Exclusion Criteria:

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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.