title: A periapical image of a lower first molar.
authors: Dónal
authors: D
authors: McDonnell
mesh_terms: D003937:Diagnosis, Differential; D005062:European Union; D006801:Humans; D006936:Hypercementosis / Q000000981:diagnostic imaging*; D007494:Ireland; D010000:Osteitis / Q000000981:diagnostic imaging; D054850:Osteophyte / Q000000981:diagnostic imaging; D017410:Practice Guidelines as Topic; D011861:Radiography, Dental / Q000706:statistics & numerical data*