目的:观察生物活性陶瓷材料iRoot BP Plus^(■)(Innovative BioCeramix Inc,Vancouver,BC,Canada)在儿童年轻恒前牙复杂冠折牙髓切断术中的应用,并对其预后进行分析,为该术式的更广泛应用提供临床参考。方法:收集2017年3月至2022年9月...目的:观察生物活性陶瓷材料iRoot BP Plus^(■)(Innovative BioCeramix Inc,Vancouver,BC,Canada)在儿童年轻恒前牙复杂冠折牙髓切断术中的应用,并对其预后进行分析,为该术式的更广泛应用提供临床参考。方法:收集2017年3月至2022年9月因恒前牙复杂冠折就诊于北京大学口腔医院急诊科,行以生物活性陶瓷iRoot BP Plus^(■)为盖髓剂的牙髓切断术患者。根据患者术前根尖片和初诊病历显示为年轻恒牙者,纳入97颗年轻恒牙进行研究。收集患者初诊及复查时的临床及影像学检查资料,临床检查包括根尖孔形成情况、松动度、牙冠颜色、牙髓活力测试(冷测)、有无脓肿和瘘管,影像学检查包括根周膜连续性、根尖周低密度影像、复诊时盖髓剂下方牙本质桥形成情况、髓腔及根管钙化情况,并对上述结果进行分析。结果:最终纳入有复诊记录的64例患者共75颗患牙,其中男性37例(57.8%),女性27例(42.2%),就诊时平均年龄为9.1岁,平均随访时长19.3个月。采用iRoot BP Plus^(■)盖髓的牙髓切断术后6个月成功率为96.0%,术后1年成功率为94.7%。术后复查2年以上者共23例,累计失败6例。成功率在患牙就诊时距外伤的时间是否超过24 h组中(P=0.61)以及是否松动组中(P=0.28)的差异无统计学意义。结论:对无移位性损伤的年轻恒牙复杂冠折患牙,采用iRoot BP Plus^(■)盖髓的牙髓切断术1年成功率很高,该术式具备广泛推广价值。展开更多
BACKGROUND Complicated crown-root fracture is considered a severe dental trauma and is unlikely to heal without treatment.Usually,dentists have to remove the loose coronal fragment of the fractured tooth and treat the...BACKGROUND Complicated crown-root fracture is considered a severe dental trauma and is unlikely to heal without treatment.Usually,dentists have to remove the loose coronal fragment of the fractured tooth and treat the remaining part with multidisciplinary approaches.However,we observed spontaneous healing of fracture in two pediatric cases with a history of complicated crown-root fractures over 4 years ago.CASE SUMMARY In case 1,a 12-year-old boy complained of pain at tooth 11 following an accidental fall 1 d ago.Clinical examination showed a crack line on the crown of tooth 11.Cone beam computed tomography(CBCT)images of tooth 11 showed signs of hard tissue deposition between the fractured fragments.The patient recalled that tooth 11 had struck the floor 1 year ago without seeking any other treatment.In case 2,a 10-year-old girl fell down 1 d ago and wanted to have her teeth examined.Clinical examination showed a fracture line on the crown of tooth 21.CBCT images of tooth 21 also showed signs of hard tissue deposition between the fractured fragments.She also had a history of dental trauma 1 year ago and her tooth 11 received dental treatment by another dentist.According to her periapical radiograph at that time,tooth 21 was fractured 1 year ago and the fracture was overlooked by her dentist.Both of these two cases showed spontaneous healing of complicated crown-root fractures.After over 4 years of follow-up,both fractured teeth showed no signs of abnormality.CONCLUSION These findings may provide new insights and perspectives on the management and treatment of crown-root fractures in children.展开更多
文摘目的:观察生物活性陶瓷材料iRoot BP Plus^(■)(Innovative BioCeramix Inc,Vancouver,BC,Canada)在儿童年轻恒前牙复杂冠折牙髓切断术中的应用,并对其预后进行分析,为该术式的更广泛应用提供临床参考。方法:收集2017年3月至2022年9月因恒前牙复杂冠折就诊于北京大学口腔医院急诊科,行以生物活性陶瓷iRoot BP Plus^(■)为盖髓剂的牙髓切断术患者。根据患者术前根尖片和初诊病历显示为年轻恒牙者,纳入97颗年轻恒牙进行研究。收集患者初诊及复查时的临床及影像学检查资料,临床检查包括根尖孔形成情况、松动度、牙冠颜色、牙髓活力测试(冷测)、有无脓肿和瘘管,影像学检查包括根周膜连续性、根尖周低密度影像、复诊时盖髓剂下方牙本质桥形成情况、髓腔及根管钙化情况,并对上述结果进行分析。结果:最终纳入有复诊记录的64例患者共75颗患牙,其中男性37例(57.8%),女性27例(42.2%),就诊时平均年龄为9.1岁,平均随访时长19.3个月。采用iRoot BP Plus^(■)盖髓的牙髓切断术后6个月成功率为96.0%,术后1年成功率为94.7%。术后复查2年以上者共23例,累计失败6例。成功率在患牙就诊时距外伤的时间是否超过24 h组中(P=0.61)以及是否松动组中(P=0.28)的差异无统计学意义。结论:对无移位性损伤的年轻恒牙复杂冠折患牙,采用iRoot BP Plus^(■)盖髓的牙髓切断术1年成功率很高,该术式具备广泛推广价值。
基金Supported by National Natural Science Foundation of China,No.81771095Shaanxi Provincial Key R&D Program,China,No.2021KWZ-26State Key Laboratory of Military Stomatology,No.2020ZA01。
文摘BACKGROUND Complicated crown-root fracture is considered a severe dental trauma and is unlikely to heal without treatment.Usually,dentists have to remove the loose coronal fragment of the fractured tooth and treat the remaining part with multidisciplinary approaches.However,we observed spontaneous healing of fracture in two pediatric cases with a history of complicated crown-root fractures over 4 years ago.CASE SUMMARY In case 1,a 12-year-old boy complained of pain at tooth 11 following an accidental fall 1 d ago.Clinical examination showed a crack line on the crown of tooth 11.Cone beam computed tomography(CBCT)images of tooth 11 showed signs of hard tissue deposition between the fractured fragments.The patient recalled that tooth 11 had struck the floor 1 year ago without seeking any other treatment.In case 2,a 10-year-old girl fell down 1 d ago and wanted to have her teeth examined.Clinical examination showed a fracture line on the crown of tooth 21.CBCT images of tooth 21 also showed signs of hard tissue deposition between the fractured fragments.She also had a history of dental trauma 1 year ago and her tooth 11 received dental treatment by another dentist.According to her periapical radiograph at that time,tooth 21 was fractured 1 year ago and the fracture was overlooked by her dentist.Both of these two cases showed spontaneous healing of complicated crown-root fractures.After over 4 years of follow-up,both fractured teeth showed no signs of abnormality.CONCLUSION These findings may provide new insights and perspectives on the management and treatment of crown-root fractures in children.
