Oral bacteria cause infective endocarditis (IE), so severe periodontitis is thought to be high risk for IE. We suggest the identification of high-risk patients by an IgG antibody titer test against periodontal bacteria might become common screening test.
Keywords: IgG antibody titer test against periodontal bacteria; Porphyromonas gingivalis; bacteremia; infective endocarditis; oral bacteria; periodontitis.