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Author has studied on the 614 cases, amalgam restoration of out patients(in insurance patients) who recieved amalgam restoration at the private dental clinic in Taegu city from Jan, 1. 1985, to Dec, 31. 1985. 1. The most of amalgam filling was permanent teeth, the number of permanent teeth was 568(92.5%), and decidous teeth 46.(7.5%). 2. The filling in mandibular teeth was more numerous than maxillary teeth: mandibular teeth were 396(64.5%) and maxillary teeth were 218(35.5%) 3. The simple cavity filling was more numerous than complex cavity filling: the simple cavity filling were 406(66%), and complex cavity filling were 208(34%). 4. Upper teeth applied to the simple cavity filling were 112(18.24%), lower teeth applied to the simple cavity filling were 294(47.88%), upper teeth applied to the complex cavity filling were 106 (17.26%), lower teeth applied to the complex cavity filling were 102,(l6.61%). Thus both arches of complex cavity filling were similar. 5. The much numerous application to the amalgam filling was the first molar tooth: the number part of which was 237,(38.59%),: secondly, second molar tooth 206, (33.55%), thus the greater of amalgam filling was applied to molar portion of permanent teeth (91.34%).
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