溶膠凝膠微納米生物活性玻璃對(duì)恒河猴牙槽骨缺損的修復(fù)作用
[Abstract]:Objective to establish an animal model of rhesus monkey for restoration of alveolar bone defect with sol-gel microbioactive glass material and to investigate the effect of micro-nano bioactive glass on alveolar bone defect. Methods four adult female rhesus monkeys were selected and their bilateral mandibular canines and first and second premolars were extracted, all alveolar crest was removed from alveolar septum and buccal side to the root tip of alveolar fossa, only the lingual bone cortex was retained, and the alveolar bone in extraction area was repaired. On the right side, sol-gel microbioactive glass was implanted into the experimental group, and no material was implanted on the left side as the control group. The local growth of alveolar bone and the formation of new bone in alveolar bone defect were observed by X-ray film. Results the gross and X-ray view of the experimental group showed obvious bone repair, the new bone was basically consistent with the normal bone density, and the implant material was completely degraded and absorbed. No obvious bone repair was found in the control group. Conclusion Sol-gel microbioactive glass has good bioactivity, biodegradability and can promote alveolar bone repair. It can be used as a new repair material for large area defect of alveolar bone.
【作者單位】: 廣東醫(yī)科大學(xué)口腔醫(yī)學(xué)系;廣東省佛山市第二人民醫(yī)院口腔科;
【基金】:中國(guó)博士后科學(xué)基金資助項(xiàng)目(編號(hào):2013M540787) 廣東省產(chǎn)業(yè)技術(shù)研究與開(kāi)發(fā)專項(xiàng)項(xiàng)目(編號(hào):2013B021800033)
【分類號(hào)】:R783.1
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