title: General practitioner's radiology case 5. Supragingival calculus.
authors.forename: C J
authors.initials: CJ
authors.lastname: Nortjé
mesh_terms: D003728:Dental Calculus / Q000145:classification / Q000000981:diagnostic imaging*; D003937:Diagnosis, Differential; D006801:Humans; D008297:Male; D008875:Middle Aged; D008963:Molar / Q000000981:diagnostic imaging; D011862:Radiography, Panoramic