搜索结果: 1-6 共查到“口腔材料学 Nd:YAG”相关记录6条 . 查询时间(0.125 秒)
近年来,计算机辅助设计和计算机辅助制造（CAD/CAM）系统被引入口腔领域,这使得全瓷修复体的制作效率大大提高,应用也愈加广泛。全瓷修复体的远期使用效果与其在牙齿表面的粘接性能有着密切的关联,但目前对于全瓷修复体粘接面和牙本质表面粘接强度方面的研究还有待深入。现今,Er:YAG和Nd:YAG激光在口腔领域各方面发展迅速,在牙体硬组织和陶瓷表面处理方面的研究和应用也随之增多,但其对粘接强度影响方面的...
目的 探索脉冲Nd :YAG激光结合氟化钠使用的防龋机制。方法 选择24 颗健康离体人恒前磨牙制成牙釉质标本。扫描电镜(SEM) 、电子探针分别观察和分析激光加氟化钠组、激光组、氟化钠组、空白组(不处理) 牙釉质表面超微结构及牙釉质内部氟离子分布水平。结果 ①SEM观察:激光加氟化钠组牙釉质表面玷污物全部去除,并呈部分熔融状和空泡状改变;牙釉质表面散在分布着细小的白色颗粒;熔融灶、裂纹、微孔呈白色...
Effects of Welding Pulse Energy and Fluoride Ion on the Cracking Susceptibility and Fatigue Behavior of Nd:YAG Laser-welded Cast Titanium Joints
Welding pulse energy Fluoride Mechanical property
2009/9/15
In this study, the cracking susceptibility and fatigue behavior of Nd:YAG laser-welded cast Ti joints (welding pulse energy: 11, 15, and 18 J) in fluoride-containing (0 and 0.5% NaF) artificial saliva...
Accuracy of Temporary Laser Welding of FPDs by Nd:YAG Laser in the Oral Cavity
Nd:YAG laser Temporary laser welding Deformation
2009/9/15
The purpose of this study was to investigate the accuracy of temporary fixation with laser welding for fixed partial dentures (FPDs). Five kinds of experimental FPD with different welding/soldering ga...
Fracture Resistance of Nd:YAG Laser-welded Cast Titanium Joints with Various Clinical Thicknesses and Welding Pulse Energies
Fracture resistance Thickness Welding pulse energy
2009/9/14
The purpose of this study was to evaluate the fracture resistance of Nd:YAG laser-welded cast titanium (Ti) joints with various clinical thicknesses and welding pulse energies. A four-point bending te...
Comparative Evaluation of Dentine Surface Changes Following Nd：YAG Laser Irradiation by SEM
Comparative Evaluation Dentine Surface Changes YAG Laser Irradiation
2009/4/2
Comparative Evaluation of Dentine Surface Changes Following Nd：YAG Laser Irradiation by SEM.