背景:上颌窦增大术是增加萎缩性上颌骨骨量以允许植入物放置的最有效的手术之一。本病例系列的目的是描述一种使用骨盖技术进行上颌窦增强的手术方案,“及其在符合手术条件的患者队列中的结果。
方法:经过初步临床评估,我们进行了锥形束计算机断层扫描(CBCT)检查,用于术前评估.然后安排患者进行手术干预。随访6-9个月,患者接受了第二次CBCT扫描,以评估植骨后的骨高度并安排植入物的放置.
结果:本研究共纳入11例患者,共进行了13次鼻窦提升手术。膜穿孔4例(30.76%)。平均手术时间为67.69分钟(SD6.51)。所有患者术后均顺利,在没有并发症的情况下。平均移植物体积增加为2.46cm3(SD0.85),平均身高增加为14.27mm(SD3.18)。平均膜厚度为1.40mm(SD为0.75)。在所有4例窦膜穿孔中,膜的厚度小于1mm。
结论:本研究强调,上颌窦增强结合骨盖重新定位可以在骨高度增加方面提供可重复的结果。该技术在骨增加和无并发症方面都显得可靠。
结论:用于上颌窦增强的骨盖技术在骨高度增加方面提供了可重复的结果。由于自体骨具有独特的骨传导和骨诱导特性,因此良好的临床结果可能与骨形成的增强有关。随着软组织向内生长的减少。手术后的任何患者均未观察到并发症。施耐德膜穿孔的风险与膜厚度成反比;膜越薄,穿孔的风险越高。
BACKGROUND: Maxillary sinus augmentation is one of the most performed procedures to increase the bone quantity of the atrophic maxilla to allow implant placement. The aim of the present
case series was to describe a surgical protocol to perform maxillary sinus augmentation with the \"bone lid technique,\" and its outcomes in a cohort of patients eligible for the procedure.
METHODS: After the initial clinical evaluation, a cone-beam computed tomography (CBCT) examination was performed for preoperative assessment. Patients were then scheduled for surgical intervention. At 6-9 months follow-up, patients underwent a second CBCT scan to evaluate bone height following bone graft and to schedule implant placement.
RESULTS: A total of 11 patients were enrolled in the study with a total of 13 sinus lift procedures. Membrane perforation was registered in 4 cases (30.76%). Mean surgical time was 67.69 min (SD 6.51). Postoperative period was uneventful in all patients, in the absence of complications. The mean graft volume increase was 2.46 cm3 (SD 0.85), and the mean height increase was 14.27 mm (SD 3.18). Mean membrane thickness was 1.40 mm (SD 0.75). In all the 4 cases with sinus membrane perforation, the membrane had a thickness lower than 1 mm.
CONCLUSIONS: The present study highlights that the maxillary sinus augmentation with bone lid repositioning could provide repeatable results in terms of bone height increase. The technique appears reliable both in terms of bone gain and absence of complications.
CONCLUSIONS: The bone lid technique for maxillary sinus augmentation provides repeatable results in terms of bone height increase. The favorable clinical outcomes can be related to an enhancement of bone formation due to the unique osteoconductive and osteoinductive properties of autogenous bone, along with a reduction of soft tissue ingrowth. Complications were not observed in any of the patients following the surgical procedures. The risk of Schneiderian membrane perforation is inversely proportional to membrane thickness; the thinner the membrane is, the higher the risk to perforate it.