BACKGROUND This case report discusses a modified approach for maxillary sinus augmentation,in which platelet-rich fibrin,endoscope,simultaneous implant placement,and sinus floor elevation(PESS)were applied for a maxil...BACKGROUND This case report discusses a modified approach for maxillary sinus augmentation,in which platelet-rich fibrin,endoscope,simultaneous implant placement,and sinus floor elevation(PESS)were applied for a maxillary sinus floor lift in a 40-year-old patient.CASE SUMMARY A 40-year-old woman suffered missing upper right first molar.Implant stability quotient and cone-beam computed tomography(CBCT)were used to evaluate the diagnosis.CBCT showed insufficient posterior maxillary bone with a mean residual alveolar bone height of only 3.5 mm.The patient underwent a minimally invasive sinus floor elevation endoscopically.The sinus membrane was elevated in two stages,and a 12-mm implant was placed immediately.At 3 mo postoperatively,the final impressions were accomplished,and a full-ceramic crown was fit-placed.A 6-mo follow-up demonstrated satisfactory aesthetic and functional results.CONCLUSION This is the first report to use an endoscope for maxillary sinus floor lifting in cases with severe and insufficient bone height.This case report demonstrates the advantages of the PESS technique,which include minimal invasiveness with high precision,being applicable in cases with a residual alveolar bone height<4 mm with a promising result,and a shortened treatment period from 12 to 3 mo.展开更多
BACKGROUND In this case study,a minimally invasive transalveolar approach using platelet-rich fibrin and bone substitute with simultaneous implantation was carried out in an elderly patient.We analyzed the cone-beam c...BACKGROUND In this case study,a minimally invasive transalveolar approach using platelet-rich fibrin and bone substitute with simultaneous implantation was carried out in an elderly patient.We analyzed the cone-beam computed tomography(CBCT)findings to evaluate bone regeneration.CASE SUMMARY A 65-year-old female with no contraindications for dental implants and loss of maxillary bilateral molars is described.Examination by CBCT showed the available vertical bone height in the bilateral posterior maxilla was 0.5-6.8 mm in the left and 2.8-6.5 mm in the right.The patient underwent a transalveolar approach using platelet-rich fibrin and bone substitute with simulataneous placement of an implant 10 mm in length.Six months post-surgery,the implant showed excellent osseointegration with the bone graft.Thereafter,full-ceramic crowns were fitted.Follow-up at 2 years demonstrated satisfactory prognosis.CONCLUSION Platelet-rich fibrin and bone substitute can be used to augment the maxillary sinus with a vertical bone height less than 4 mm.展开更多
“上颌窦三维成骨模式”(3-dimensional osteogenesis model for maxillary sinus,3D-OMMS)的提出阐明了上颌窦底提升的成骨机制,为临床中上颌后牙缺失患者进行上颌窦底提升的治疗提供了科学的理论依据。本文结合临床病例,从施耐德膜的...“上颌窦三维成骨模式”(3-dimensional osteogenesis model for maxillary sinus,3D-OMMS)的提出阐明了上颌窦底提升的成骨机制,为临床中上颌后牙缺失患者进行上颌窦底提升的治疗提供了科学的理论依据。本文结合临床病例,从施耐德膜的成骨潜力、双骨皮质支持、骨增量材料的应用及种植体表面改性四个方面阐述了“3D-OMMS”促进上颌窦内成骨的机制和临床意义。临床应用中包括单颗牙或多颗牙;即刻和延期种植;穿牙槽嵴上颌窦底提升以及侧壁开窗上颌窦底提升等术式,通过患者术前术后的计算机体层扫描(cone-beam computed tomography,CBCT)影像评估上颌窦区成骨效果。可见应用3D-OMMS,在上颌窦中形成成骨方向多元化的三维空间,缩短血管化成骨路径、加速成骨进程、提高新骨质量、增加种植成功率,因此在临床工作中可以被广泛应用。展开更多
基金Supported by Jilin Provincial Science and Technological ProjectsInternational Cooperation,No.20180414030GHJilin Provincial Sanitation and Health-Technical Innovation Fund,No.2018J074
文摘BACKGROUND This case report discusses a modified approach for maxillary sinus augmentation,in which platelet-rich fibrin,endoscope,simultaneous implant placement,and sinus floor elevation(PESS)were applied for a maxillary sinus floor lift in a 40-year-old patient.CASE SUMMARY A 40-year-old woman suffered missing upper right first molar.Implant stability quotient and cone-beam computed tomography(CBCT)were used to evaluate the diagnosis.CBCT showed insufficient posterior maxillary bone with a mean residual alveolar bone height of only 3.5 mm.The patient underwent a minimally invasive sinus floor elevation endoscopically.The sinus membrane was elevated in two stages,and a 12-mm implant was placed immediately.At 3 mo postoperatively,the final impressions were accomplished,and a full-ceramic crown was fit-placed.A 6-mo follow-up demonstrated satisfactory aesthetic and functional results.CONCLUSION This is the first report to use an endoscope for maxillary sinus floor lifting in cases with severe and insufficient bone height.This case report demonstrates the advantages of the PESS technique,which include minimal invasiveness with high precision,being applicable in cases with a residual alveolar bone height<4 mm with a promising result,and a shortened treatment period from 12 to 3 mo.
基金Supported by the Jilin Province Science and Technology Development Plan Project,No.20180101123JC13th Five-Year Science and Technology Project of Jilin Provincial Education Department,No.JJKH20190096KJ+2 种基金Jilin Province Health and Health Technology Innovation Project,No.2018J072Project of Jilin Provincial Development and Reform Commission,No.2019C051-2and Jilin Province TCM Science and Technology Project,No.2019036。
文摘BACKGROUND In this case study,a minimally invasive transalveolar approach using platelet-rich fibrin and bone substitute with simultaneous implantation was carried out in an elderly patient.We analyzed the cone-beam computed tomography(CBCT)findings to evaluate bone regeneration.CASE SUMMARY A 65-year-old female with no contraindications for dental implants and loss of maxillary bilateral molars is described.Examination by CBCT showed the available vertical bone height in the bilateral posterior maxilla was 0.5-6.8 mm in the left and 2.8-6.5 mm in the right.The patient underwent a transalveolar approach using platelet-rich fibrin and bone substitute with simulataneous placement of an implant 10 mm in length.Six months post-surgery,the implant showed excellent osseointegration with the bone graft.Thereafter,full-ceramic crowns were fitted.Follow-up at 2 years demonstrated satisfactory prognosis.CONCLUSION Platelet-rich fibrin and bone substitute can be used to augment the maxillary sinus with a vertical bone height less than 4 mm.
文摘“上颌窦三维成骨模式”(3-dimensional osteogenesis model for maxillary sinus,3D-OMMS)的提出阐明了上颌窦底提升的成骨机制,为临床中上颌后牙缺失患者进行上颌窦底提升的治疗提供了科学的理论依据。本文结合临床病例,从施耐德膜的成骨潜力、双骨皮质支持、骨增量材料的应用及种植体表面改性四个方面阐述了“3D-OMMS”促进上颌窦内成骨的机制和临床意义。临床应用中包括单颗牙或多颗牙;即刻和延期种植;穿牙槽嵴上颌窦底提升以及侧壁开窗上颌窦底提升等术式,通过患者术前术后的计算机体层扫描(cone-beam computed tomography,CBCT)影像评估上颌窦区成骨效果。可见应用3D-OMMS,在上颌窦中形成成骨方向多元化的三维空间,缩短血管化成骨路径、加速成骨进程、提高新骨质量、增加种植成功率,因此在临床工作中可以被广泛应用。
