目的:种植体周软组织美学疗效是种植治疗成功与否的主要因素之一,目前尚缺乏一种有效的方法用于评估种植体周软组织的远期美学变化。本研究通过观察美学区种植体周软组织变化,分析口内照片能否作为美学区种植体周软组织相关参数的收集...目的:种植体周软组织美学疗效是种植治疗成功与否的主要因素之一,目前尚缺乏一种有效的方法用于评估种植体周软组织的远期美学变化。本研究通过观察美学区种植体周软组织变化,分析口内照片能否作为美学区种植体周软组织相关参数的收集方法。方法:收集28例美学区单个种植体修复病例,按照一定标准拍摄基线和随访时种植体周软组织照片,两位观察者用红色美学指数,(t he pi nk est het i c score,PES)评估口内照片各自得分,对比基线以及随访时PES值变化。以视觉模拟评分法(vi sual anal ogue scal e,VAS)作为指标测量患者的主观满意度,分析患者主观满意度与PES值之间的关系。结果:基线与随访时PES平均值为(8.68±2.69)和(10.37±2.13)(p<0.01)。VAS值为72.5～100,患者VAS与PES值存在相关性,回归系数具有统计学意义。结论:口内照片可作为收集种植体周软组织PES参数的方法。美学区单个种植体周软组织美学疗效在种植体牙冠戴入3个月明显改善,PES值可大体上反映患者对种植体周软组织美学效果的主观满意度。展开更多
BACKGROUND In this case,platelet-rich fibrin(PRF)was added to guided tissue regeneration as a biomaterial in proper order for immediate planting in aesthetic area with periapical infection.CASE SUMMARY With the histor...BACKGROUND In this case,platelet-rich fibrin(PRF)was added to guided tissue regeneration as a biomaterial in proper order for immediate planting in aesthetic area with periapical infection.CASE SUMMARY With the history of endodontic failure in maxillary central incisor,a 34-year-old female patient required the extraction of maxillary anterior residual root and immediate implantation.Cone beam computed tomography and clinical observation were used to assess the regeneration of soft and bone tissue.Before operation,cone beam computed tomography showed the anterior residual root had serious periapical periodontitis with insufficient labial bone in the aesthetic zone.The patient underwent immediate implant placement and reconstruction of the bone substitution by modified guided bone regeneration.The barrier was a three-layer structure of PRF-collagen membrane-PRF that covered the mixture of PRF and Bio-Oss to promote both osteogenesis and soft tissue healing.At 6 mo postoperatively,the definitive crown was placed after accomplished finial impression.One-year follow-up showed a satisfactory aesthetic effect with no obvious absorption of the labial bone and soft tissue.CONCLUSION The use of PRF in combination with guided bone regeneration can serve as a reliable and simple adjuvant for immediate implanting in infected socket and result in a stable osteogenic effect with good aesthetic outcome.展开更多
文摘目的:种植体周软组织美学疗效是种植治疗成功与否的主要因素之一,目前尚缺乏一种有效的方法用于评估种植体周软组织的远期美学变化。本研究通过观察美学区种植体周软组织变化,分析口内照片能否作为美学区种植体周软组织相关参数的收集方法。方法:收集28例美学区单个种植体修复病例,按照一定标准拍摄基线和随访时种植体周软组织照片,两位观察者用红色美学指数,(t he pi nk est het i c score,PES)评估口内照片各自得分,对比基线以及随访时PES值变化。以视觉模拟评分法(vi sual anal ogue scal e,VAS)作为指标测量患者的主观满意度,分析患者主观满意度与PES值之间的关系。结果:基线与随访时PES平均值为(8.68±2.69)和(10.37±2.13)(p<0.01)。VAS值为72.5～100,患者VAS与PES值存在相关性,回归系数具有统计学意义。结论:口内照片可作为收集种植体周软组织PES参数的方法。美学区单个种植体周软组织美学疗效在种植体牙冠戴入3个月明显改善,PES值可大体上反映患者对种植体周软组织美学效果的主观满意度。
基金Supported by Department of Finance of Jilin Province,No.JCSZ2019378-21 and JCSZ2019378-27Jilin Scientific and Technological Development Program,No.20200201302JC.
文摘BACKGROUND In this case,platelet-rich fibrin(PRF)was added to guided tissue regeneration as a biomaterial in proper order for immediate planting in aesthetic area with periapical infection.CASE SUMMARY With the history of endodontic failure in maxillary central incisor,a 34-year-old female patient required the extraction of maxillary anterior residual root and immediate implantation.Cone beam computed tomography and clinical observation were used to assess the regeneration of soft and bone tissue.Before operation,cone beam computed tomography showed the anterior residual root had serious periapical periodontitis with insufficient labial bone in the aesthetic zone.The patient underwent immediate implant placement and reconstruction of the bone substitution by modified guided bone regeneration.The barrier was a three-layer structure of PRF-collagen membrane-PRF that covered the mixture of PRF and Bio-Oss to promote both osteogenesis and soft tissue healing.At 6 mo postoperatively,the definitive crown was placed after accomplished finial impression.One-year follow-up showed a satisfactory aesthetic effect with no obvious absorption of the labial bone and soft tissue.CONCLUSION The use of PRF in combination with guided bone regeneration can serve as a reliable and simple adjuvant for immediate implanting in infected socket and result in a stable osteogenic effect with good aesthetic outcome.
