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本文对1980-1986年拆除的固定修复体冠和桥的人造冠龈边缘的临床观察进行了初步分析,以探讨人造冠龈边缘与牙体、牙周组织健康的关系,从而提高人造冠的修复质量,预防医源性口腔疾病的发生。临床资料一、患者290例,男性203例,女性87例。年龄最小12岁,最大74岁,以30-50岁最多。拆除修复体305件,其中单个修复体冠34件,固定桥271件。人造冠共为554个。二、修复体使用年限(见表1)。从表1可见使用时间最短者二天。因基牙龋坏并慢性
In this paper, the clinical observation of the artificial gingival margin of the crown and bridge of the fixed prosthesis removed from 1980 to 1986 was conducted to investigate the relationship between the gingival margin of the artificial crown and the health of the periodontal tissue and the tooth, so as to improve the restoration of the artificial crown Quality, prevention of iatrogenic oral disease. A clinical data, 290 patients, 203 males and 87 females. The youngest 12 years old, the oldest 74 years old, 30-50 years old most. 305 prostheses were removed, of which 34 were single prostheses and 271 were fixed bridges. A total of 554 artificial crowns. Second, restoration of useful life (see Table 1). Table 1 shows the shortest two days. Dental caries because of tooth decay and chronic