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Objective: Bacteria entering the bloodstream through oral mucosa cause bacteremia, which can lead to septic or distant infections. The underlying factors and need for dental treatment in patients referred for oral examination because of septic infection were investigated. It was expected that general diseases and poor socioeconomic status of patients would increase the risk of bacteremia. Method and materials: This descriptive retrospective study included patients (N = 128) referred from medical clinics of the Helsinki University Hospital (HUH), during 2012 to 2017, to the Department of Oral and Maxillofacial Diseases due to bacteremia suspected to be of oral origin. Data were extracted from medical and dental records according to the World Health Organization International Classification of Diseases (ICD-10) for systemic or remote infections. Different groups were formed using modified Skapinakis classification for socioeconomic status (SES), from I (high) to V (low). Underlying medical conditions were retrieved according to McCabe classi- fication: healthy, nonfatal, ultimately fatal, and rapidly fatal diseases. The data were analyzed using the statistical software package SPSS (IBM). Results: Patients were referred most often from the Departments of Infectious Diseases and Internal Medicine. Because of infection, 12 patients needed aortic or mitral valve operations. Many of the patients were intravenous drug users. However, the majority of patients presented McCabe class I, indicating no systemic disease. The main SES was intermediate III. Tooth extraction was the principal mode of treatment. No demographic background variables were identified to explain increase of the risk for bacteremia except that most patients were men with untreated dental problems. Conclusions: Contrary to the authors' expectation, poor SES and underlying diseases did not seem to link to the outcome. However, untreated dental infections present an evident risk for life-threatening septic complications also in generally healthy individuals. [ABSTRACT FROM AUTHOR]

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