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兄弟三人同患恒牙先天性缺失,临床少见,现报道如下: 患者李永刚,男,32岁,青岛卷烟厂工人。因缺牙要求修复,于1985年1月就诊。检查:颌面部发育正常,深覆(牙合)Ⅱ°,543|34业缺失,牙槽骨丰满,V为乳牙,无明显松动,功能良好,摄X线片543|345颌骨内均无恒牙胚存留,V根短,根尖有吸收。8过小牙,8 8|8未萌。其它未见异常。患者曾在1983年6月因牙齿松动而来院就诊,诊断为ⅤⅣⅢ|ⅢⅣⅤ乳牙滞留,并先后拔除。患者父亲牙齿过早脱落并戴全口义齿,于1966年因脑溢血去世。其母健,其兄妹4人,妹排行第三。其妹牙齿正常。
The three brothers with congenital absence of permanent teeth, clinical rare, are reported as follows: Patients Li Yonggang, male, 32 years old, Qingdao Cigarette Factory workers. Due to lack of teeth required repair, in January 1985 treatment. Check: maxillofacial development is normal, deep overlay (occlusion) Ⅱ °, 543 | 34 industry missing, full alveolar bone, V is deciduous teeth, no significant loosening, good function, taken X-ray 543 | There is no permanent tooth germ, V root is short, root tip has absorption. 8 too small teeth, 8 8 | 8 not adorable. No other abnormalities. In June 1983, the patient was hospitalized for loose teeth. The patient was diagnosed with Ⅴ Ⅳ Ⅲ | Ⅲ Ⅳ Ⅴ deciduous teeth and was successively removed. His father's teeth prematurely shedding and wearing complete dentures died of stroke in 1966. Its mother health, its brother and sister 4, sister ranked third. His sister normal teeth.