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
背景:根膜技术可有效维持即刻种植位点良好的软硬组织形态,在美学区的种植修复中具有非常好的临床应用前景。目的:综述根膜技术在种植修复中的研究进展及应用。方法:运用计算机检索PubMed数据库、Web of Science数据库、万方数据库、CNK...背景:根膜技术可有效维持即刻种植位点良好的软硬组织形态,在美学区的种植修复中具有非常好的临床应用前景。目的:综述根膜技术在种植修复中的研究进展及应用。方法:运用计算机检索PubMed数据库、Web of Science数据库、万方数据库、CNKI中国期刊全文数据库中2000年1月至2021年1月收录的相关文献。英文检索词为“immediate implant,socket-shield technique,root-membrane technique,root-implant”,中文检索词为“即刻种植,根膜技术,牙片屏障技术,牙根屏障技术,盾构术,牙根盾技术”。通过阅读文题和摘要进行初步筛选,排除相关性低及重复文章,最终纳入58篇文献进行综述分析。结果与结论:根膜技术是一种新的牙槽嵴保存技术,与传统方法相比可有效维持即刻种植位点的软硬组织形态,且针对不同临床情况可选择性保留牙槽窝内不同位置的根片,该技术在前牙美学区的种植修复中具有良好的应用前景。然而根膜技术敏感性较强,临床操作中保留根片的厚度、高度及长度对最终修复效果均有所影响。此外,根膜技术与传统种植相比可能出现根片暴露、根片吸收等生物并发症,因此在尚无更丰富的组织学证据和长期随访数据前,根膜技术在常规临床实践中应谨慎使用。展开更多
目的:探讨前牙美学区单个种植义齿龈乳头高度的影响因素。方法:对2009-01—2011-12,于同济大学口腔医院种植科行美学区单个种植义齿修复的患者进行回顾性研究。共30例患者30枚Straumann种植义齿纳入本研究。种植义齿负载半年后,通过临...目的:探讨前牙美学区单个种植义齿龈乳头高度的影响因素。方法:对2009-01—2011-12,于同济大学口腔医院种植科行美学区单个种植义齿修复的患者进行回顾性研究。共30例患者30枚Straumann种植义齿纳入本研究。种植义齿负载半年后,通过临床测量、照片评价、模型测量及根尖片测量对软硬组织进行评估。应用调查问卷及视觉测量尺(visual analog scale,VAS)获得患者满意度。结果:牙龈乳头指数为3的患者,其植体—邻牙距离[(2.7±0.9)mm]和颊侧龈乳头与舌侧龈乳头底部宽度[(7.7±0.6)mm],均大于牙龈乳头指数为2或1时,后二者的植体—邻牙距离分别为(1.9±0.9)、(1.5±0.8)mm,颊舌侧龈乳头宽度分别为(7.2±0.6)、(6.6±0.8)mm。而龈乳头指数3为的患者,接触点至牙槽嵴顶的距离[(4.1±0.9)mm]小于牙龈乳头指数为2或1的患者[(5.9±2.3)、(6.5±2.5)mm]。上述差异均具有统计学意义。患者满意度与医师对美学效果的评价无显著相关性。结论:植体—邻牙距离、颊侧龈乳头与舌侧龈乳头底部宽度、种植义齿与邻牙的接触点至牙槽嵴顶的距离,是影响龈乳头高度的因素。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.
文摘目的:探讨前牙美学区单个种植义齿龈乳头高度的影响因素。方法:对2009-01—2011-12,于同济大学口腔医院种植科行美学区单个种植义齿修复的患者进行回顾性研究。共30例患者30枚Straumann种植义齿纳入本研究。种植义齿负载半年后,通过临床测量、照片评价、模型测量及根尖片测量对软硬组织进行评估。应用调查问卷及视觉测量尺(visual analog scale,VAS)获得患者满意度。结果:牙龈乳头指数为3的患者,其植体—邻牙距离[(2.7±0.9)mm]和颊侧龈乳头与舌侧龈乳头底部宽度[(7.7±0.6)mm],均大于牙龈乳头指数为2或1时,后二者的植体—邻牙距离分别为(1.9±0.9)、(1.5±0.8)mm,颊舌侧龈乳头宽度分别为(7.2±0.6)、(6.6±0.8)mm。而龈乳头指数3为的患者,接触点至牙槽嵴顶的距离[(4.1±0.9)mm]小于牙龈乳头指数为2或1的患者[(5.9±2.3)、(6.5±2.5)mm]。上述差异均具有统计学意义。患者满意度与医师对美学效果的评价无显著相关性。结论:植体—邻牙距离、颊侧龈乳头与舌侧龈乳头底部宽度、种植义齿与邻牙的接触点至牙槽嵴顶的距离,是影响龈乳头高度的因素。
