上颌窦膜提升对上颌窦腔内种植体周围骨形成的影响：一项实验研究。
Effects of sinus membrane elevation on bone formation around implants placed in the maxillary sinus cavity: an experimental study.
作者信息
Sul Sung-Han, Choi Byung-Ho, Li Jingxu, Jeong Seung-Mi, Xuan Feng
机构信息
Department of Dentistry, Yonsei University Wonju College of Medicine, Wonju, Korea.
出版信息
Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2008 Jun;105(6):684-7. doi: 10.1016/j.tripleo.2007.09.024. Epub 2008 Mar 4.
OBJECTIVE
The aim of this study was to investigate the amount of augmented bone tissue formed in the maxillary sinus after sinus membrane elevation and the simultaneous insertion of titanium implants without additional grafting material.
STUDY DESIGN
An implant was placed bilaterally in the maxillary sinus of 6 adult female mongrel dogs in such a way that it protruded 4 mm or 8 mm into the maxillary sinus after sinus membrane elevation. The implants were left in place for 6 months.
RESULTS
The mean height of newly formed bone in the sinus was 3.3 mm on the side with the 4 mm protruding implant and 3.2 mm on the side with the 8 mm protruding implant. There was no difference between the 2 sides regarding new bone height in the sinus (P > .05).
CONCLUSIONS
The results indicate that the length of implant protrusion into the sinus cavity after sinus membrane elevation is not related to the height of new bone in the sinus.
目的
本研究的目的是调查在上颌窦膜提升并同时植入钛种植体且不使用额外移植材料后，上颌窦内形成的新增骨组织量。
研究设计
在6只成年雌性杂种犬的双侧上颌窦中植入种植体，使种植体在上颌窦膜提升后突出到上颌窦内4毫米或8毫米。种植体保留在位6个月。
结果
在种植体突出4毫米侧的窦内新形成骨的平均高度为3.3毫米，在种植体突出8毫米侧为3.2毫米。两侧窦内新骨高度之间无差异（P>.05）。
结论
结果表明，上颌窦膜提升后种植体突入窦腔的长度与窦内新骨高度无关。
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