Schlegel Andreas, Hamel Jörg, Wichmann Manfred, Eitner Stephan
Friedrich-Alexander-University Erlangen-Nuremberg, Department of Oral and Maxillofacial Surgery, Erlangen, Germany.
Int J Oral Maxillofac Implants. 2008 Mar-Apr;23(2):289-98.
The objective was to compare implants in the posterior maxilla with or without sinus floor augmentation.
A retrospective study was conducted of patients who received implants in the posterior maxilla. All patients received solitary, implant-retained fixed partial dentures or crowns. A standardized form for implant treatment was used to document the follow-up examination. The different parameters were initially analyzed descriptively by frequency distribution, measure of central tendency, and statistical spread. A 95% level of significance was set for all tests.
A total of 76 patients with 141 dental implants in the posterior region of the maxilla were evaluated. Fifty-one patients with 71 implants received prior no augmentation (sinus floor elevation) and composed the control group. Twenty-five patients with 70 implants received an additional bone transfer prior to implant placement. The mean age of the patients at time of the follow-up examination was 49.7 years in the overall group, 52.6 years for men and 46.7 years for women. The implants inserted in an augmented area had similar implant stability and implant loss results after a mean functional observation period of 1.6 years (range, 0.5 to 4.7 years) compared to those inserted without augmentation. Augmented implants exhibited less peri-implant bone resorption.
The outcomes for implants with augmentation were similar to those without augmentation.
本研究目的是比较上颌骨后部植入种植体时进行或不进行上颌窦底提升的情况。
对在上颌骨后部接受种植体植入的患者进行一项回顾性研究。所有患者均接受单颗种植体支持的固定局部义齿或牙冠修复。采用标准化的种植治疗表格记录随访检查情况。最初通过频率分布、集中趋势测量和统计离散度对不同参数进行描述性分析。所有检验设定的显著性水平为95%。
共评估了76例患者，其在上颌骨后部植入了141颗牙种植体。51例患者植入71颗种植体，术前未进行上颌窦底提升（上颌窦底抬高），组成对照组。25例患者植入70颗种植体，在种植体植入前额外进行了骨移植。随访检查时，总体组患者的平均年龄为49.7岁，男性为52.6岁，女性为46.7岁。在平均1.6年（范围0.5至4.7年）的功能观察期后，与未进行上颌窦底提升植入的种植体相比，在上颌窦底提升区域植入的种植体具有相似的种植体稳定性和种植体存留率。上颌窦底提升后的种植体周围骨吸收较少。
上颌窦底提升后种植体的效果与未进行提升的种植体相似。
