title: Periodontal infection of the maxillary sinus.
authors.forename: D H
authors.initials: DH
authors.lastname: Newell
authors.forename: M A
authors.initials: MA
authors.lastname: Brunsvold
mesh_terms: D005260:Female; D006801:Humans; D008443:Maxillary Sinus; D008875:Middle Aged; D009957:Oroantral Fistula / Q000209:etiology*; D010510:Periodontal Diseases / Q000150:complications*; D012852:Sinusitis / Q000209:etiology*