龋齿因延误治疗,导致牙体严重破坏。作者对破坏较大的牙齿采用螺纹根管桩或不锈钢丝固位对这些残根残冠进行修复,现报告如下。临床资料:我科于1995年～1999年共治疗76例患者,年龄最小为16岁,最大为74岁。残冠61例,残根16例。患牙无病理性松动,拍片示根尖无严重病变。方法与结果:对患牙作常规根充,暂封。待临床无症状,X线显示根尖情况好转者即可进行进一步治疗。 Dental caries due to delay in treatment, resulting in serious damage to the teeth. The author of the destruction of larger teeth using threaded root canal piles or stainless steel wire retention of these residual root crown repair, are reported as follows. Clinical data: In our department from 1995 to 1999 a total of 76 patients were treated, the youngest was 16 years old, the maximum is 74 years old. Residual crown in 61 cases, 16 cases of residual roots. Sick teeth without pathological loosening, the film showed no serious apical lesions. Methods and Results: The conventional root canal for the teeth, temporary closure. To be clinically asymptomatic, X-ray shows apical condition improved for further treatment.