title: Clinical, radiographic indicators of a pending difficult extraction.
authors.affiliation: Department of Oral Surgery, University of Washington School of Dentistry, Seattle, USA.
authors.forename: B T
authors.initials: BT
authors.lastname: Hart
authors.forename: R K
authors.initials: RK
authors.lastname: Zech
mesh_terms: D003442:Crowns; D003481:Cuspid / Q000000981:diagnostic imaging / Q000601:surgery; D003731:Dental Caries / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D008437:Maxilla; D008963:Molar / Q000000981:diagnostic imaging / Q000601:surgery; D010482:Periapical Abscess / Q000000981:diagnostic imaging* / Q000601:surgery; D011859:Radiography; D012008:Recurrence; D012390:Root Canal Therapy; D014081:Tooth Extraction / Q000379:methods*