cadcam技术制作树脂 玻璃陶瓷和纯钛三种嵌体微渗漏的实验研究word格式论文.docxVIP

优秀毕业论文 精品参考文献资料 目 录 中文摘要··········································································································1 英文摘要············································································································4 英文缩写··········································································································7 研究论文 CAD/CAM 技术制作树脂、玻璃陶瓷和纯钛三种嵌体微渗漏的 实验研究 前言··········································································································8 材料与方法·····························································································11 结果·········································································································15 附图··········································································································16 附表··········································································································25 讨论··········································································································26 结论··········································································································35 参考文献································································································36 综述 CAD/CAM 嵌体适合性相关影响因素的研究进展 41 致谢·················································································································50 个人简历··········································································································51 中 文 摘 要  PAGE 6 万方数据 CAD/CAM 技术制作树脂、玻璃陶瓷和纯钛 三种嵌体微渗漏的实验研究 摘 要 目的：本实验研究选用三种可切削材料—树脂、玻璃陶瓷、纯钛， 采用计算机辅助设计/计算机辅助制作（CAD/CAM）系统 CEREC AC 制 作嵌体修复离体前磨牙 I 类洞，经冷热循环实验后，采用染料渗入法、体 式显微镜和扫描电子显微镜观测三种材料嵌体边缘微渗漏的程度及嵌体 与牙体间的密合度情况，从而探讨 CAD/CAM 技术制作嵌体的效果及三 种可切削材料嵌体边缘微渗漏的程度，并比较非金属材料和金属材料嵌体 修复边缘微渗漏的差异，以期为 CAD/CAM 嵌体修复技术的临床应用及 可切削材料的选择提供实验依据。 方法： 1 标本来源 选择近期因正畸需要拔除的 30 颗完整健康恒前磨牙，清理干净，放 入生理盐水中，置于 4℃条件下保存备用。 2 实验分组 将实验离体牙随机分为 3 组，即 A 组：树脂嵌体组；B 组：玻璃陶 瓷嵌体组；C 组：纯钛嵌体