CAJ | 학술논문

目的观察保留冠折位于龈下的上颌前牙残根残冠,使用超声骨刀行冠延长术后纤维桩修复的临床疗效.方法 27例患者共32颗患牙,经完善的根管治疗后使用超声骨刀行冠延长术,术后6周复诊,采用纤维桩、双固化树脂水门汀及复合树脂材料恢复桩核,二氧化锆烤瓷冠修复.术后通过临床和X线片检查评估修复体的临床疗效.结果 27例患者的32颗患牙经过1~3年期间的随访检查,成功29颗(90.6%),失败3颗(9.4%).结论超声骨刀应用于上颌前牙冠延长术,并联合纤维桩修复,可取得良好的治疗效果.
목적 관찰보류관절위우간하적상합전아잔근잔관,사용초성골도행관연장술후섬유장수복적림상료효.방법 27례환자공32과환아,경완선적근관치료후사용초성골도행관연장술,술후6주복진,채용섬유장、쌍고화수지수문정급복합수지재료회복장핵,이양화고고자관수복.술후통과림상화X선편검사평고수복체적림상료효.결과 27례환자적32과환아경과1~3년기간적수방검사,성공29과(90.6%),실패3과(9.4%).결론 초성골도응용우상합전아관연장술,병연합섬유장수복,가취득량호적치료효과.
Objective To observe the clinical effects of fiber posts in restoring maxillary anterior teeth after surgical crown lengthening by piezosurgery. Methods After root canal therapy, 32 teeth from 27 patients were lengthened with piezosurgery. After 6 weeks, they were restored by fiber posts, dual cure resin cement, composite res-in material. And then, zirconia crowns were applied to restore them. The patients were observed the restoration effects by clinical results and X-ray. Results The 32 teeth from 27 patients were followed up for 1~3 years, with 29 teeth successfully restored (90.6%) and 3 teeth unsuccessfully restored (9.4%). Conclusion A satisfactory treatment ef-fects could be achieved by surgical crown lengthening with piezosurgery and fiber posts in restoring maxillary ante-rior teeth.