Objective to evaluate the aesthetic effects of anterior teeth defect restored with fiber posts and resin cores after long-term clinical observation.
目的：使用纤维桩树脂核修复前牙牙体缺损，通过对修复体长期的临床观察，评价其美学效果。
2
Based on the supercell overlapping method the full vector model was adopted to model polarization properties of elliptical-hole photonic crystal fiber (EHPCF) with central defect hole.
基于超格子构造法，采用全矢量模型研究具有中心缺陷孔的椭圆孔光子晶体光纤(EHPCF)的偏振特性。
3
The experiment results of optical fiber detection show the system can successfully perform the defect detection of optical fibers. Furthermore, it has higher discrimination comparing with the CJTC.