title: Long term study of periodontosis.
mesh_terms: D000180:Acrylic Resins / Q000009:adverse effects; D000293:Adolescent; D000328:Adult; D000539:Alveolar Process / Q000000981:diagnostic imaging; D001862:Bone Resorption; D003788:Dental Pulp Diseases / Q000209:etiology; D005260:Female; D005500:Follow-Up Studies; D006047:Gold Alloys; D006801:Humans; D008875:Middle Aged; D009967:Orthodontic Appliances; D010510:Periodontal Diseases / Q000000981:diagnostic imaging / Q000628:therapy*; D010515:Periodontal Prosthesis / Q000295:instrumentation*; D010516:Periodontal Splints / Q000009:adverse effects / Q000295:instrumentation*; D011859:Radiography
chemical_list: D000180:Acrylic Resins; D006047:Gold Alloys