文章摘要信息 关键词 ： 根尖封闭 微渗漏 根管充填材料 [gap=968]Keywords : apical seal； microleakage； endodontic material
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一次性根尖封闭 one-visit apexification
Aim: To observe histocompatibility and apical sealing ability of two kinds of nanomaterial.
目的：观察纳米材料的组织相容性和根尖封闭性。
参考来源 - 纳米材料组织相容性和根尖封闭性的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
结论连续波热牙胶充填技术与冷牙胶侧方加压充填技术的根尖封闭能力无显著性差异；
Conclusions Apical sealing ability between continuous wave technique and cold lateral compaction was showing no significant differences;
结论：纳米氧化锌糊剂、羟磷灰石糊剂和纳米羟磷灰石糊剂具有良好的组织相容性和根尖封闭性，可以作为根管封闭剂用于根管充填。
Conclusion: Nano-zinc-oxide, hydroxyapatite and nanohydroxyapatite have favorable histocompatibility and excellent apical sealing ability, so they are suitable for root filling as root canal sealers.
方法：采用染料渗漏法和扫描电镜观察新型聚氨酯液体根充材料与根管壁之间的密合度及其对根尖孔的封闭能力。
Methods: To observe the gaps between material and the walls of canals by scanning electron microscope, the apical sealing ability of material by dye penetration method.
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