Do brain abscesses have a higher incidence of odontogenic origin than previously thought?

Objective: The aim of this study was to answer the following clinical question: "In patients admitted to a tertiary care hospital with a diagnosis of brain abscess, how common is odontogenic etiology?"

Study Design: We designed a retrospective study of patients with brain abscesses diagnosed at the Massachusetts General Hospital between 1980 and 2017. Inclusion criteria were complete medical records outlining clinical course, relevant dental history, and radiographic and microbiologic data.

Results: Of 167 intracranial abscesses, 88 (52.