title: Amalgam overhangs--a radiographic study.
mesh_terms: D000293:Adolescent; D000328:Adult; D002648:Child; D003723:Dental Amalgam; D003793:Dental Restoration, Permanent / Q000009:adverse effects / Q000592:standards; D003817:Dentition / Q000000981:diagnostic imaging*; D006801:Humans; D008875:Middle Aged; D009520:New Zealand; D010510:Periodontal Diseases / Q000209:etiology; D011859:Radiography
chemical_list: D003723:Dental Amalgam