title: A ROENTGENOGRAPHIC FILM DENSITY MEASUREMENT OF HUMAN BIOLOGIC STRUCTURES.
mesh_terms: D000539:Alveolar Process; D001688:Biological Products; D003731:Dental Caries; D006801:Humans; D008335:Mandibular Condyle; D010513:Periodontal Ligament; D010519:Periodontium; D011861:Radiography, Dental; D014070:Tooth
chemical_list: D001688:Biological Products
keywords: ALVEOLAR PROCESS; DENTAL CARIES; MANDIBULAR CONDYLE; PERIODONTIUM; RADIOGRAPHY, DENTAL; TOOTH