title: The furcation problem: etiology, diagnosis, therapy, and prognosis.
authors.forename: F
authors.initials: F
authors.lastname: Abdallah
authors.forename: S
authors.initials: S
authors.lastname: Kon
authors.forename: M P
authors.initials: MP
authors.lastname: Ruben
mesh_terms: D003773:Dental Plaque / Q000473:pathology; D006801:Humans; D010510:Periodontal Diseases; D014092:Tooth Root / Q000473:pathology*