Glucose penetration model(GPM)has only twice been used earlier,hence the second aim of the study was to correlate the results of this study to other results and to validate the efficacy of GPM.

• 目的:首次采用葡萄糖渗漏模型(GPM)对比研究在有根充糊剂和没有根充糊剂的情况下垂直加压充填技术和侧向加压充填技术对根管微渗漏的影响。