压电超声骨刀在23例上颌窦提升术中的应用

目的:总结压电超声骨刀在上颌窦提升开窗手术中的临床应用,探讨其手术特点及术中注意的问题。方法:对符合上颌窦外提升术标准(种植区骨高度为5～8mm)的23例患者(24侧),进行了上颌窦外提升手术,术中应用压电超声骨刀进行上颌窦开窗手术,黏膜提升,填入人工骨粉,同期植入种植体。结果:24侧上颌窦提升手术,其中1侧由于术中操作不当,出现黏膜穿孔,终止手术;其余23侧均成功地进行了上颌窦提升,黏膜穿孔率仅为4.2%,并同期植入种植体48个,愈合期内(手术后10d拆线时)无感染及创口裂开等并发症。结论:应用压电超声骨刀进行上颌窦外提升手术,快捷、安全、可靠。

Piezoelectric Ultrasonic Osteotomy in Maxillary Sinus Elevation

Objective:To summarize the clinical experience of piezoelectric surgery in maxillary sinus augmentation procedure.Methods:22 patients with 5～8 mm height of residual bone in the implant area were augmented with unilateral sinus floor elevatinn,and 1 case with bilateral sinus elevation.Piezoelectric bony window osteotomies were carried out. After sinus membrane was lifted,grafting of the sinus floor with artificial bone powder.Implantation procedures were finished simultaneously.Results:Sinus membrane perforation occurred in one case during surgery.Other 23 sinus floors were elevated successfully and 48 implants were placed.No complications were observed during follow-up,resulting in a 95.8% success rate.Conclusion:Piezoelectric uhrasonic osteotomy is a safe.quick and effective measure in maxillary sinus augmentation.