표면처리 시간에 따른 임플란트 미세구조의 변화: HA와 양극산화 표면 임플란트
Micromorphometric change of implant surface conditioned with tetracycline-HCl : HA and oxidized surface
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Abstract
The present study was performed to evaluate the effect of tetracycline-HCL on the change of implant surface microstructure according to application time. Implant with pure titanium machined surface, HA-coated surface and TiUniteTM surface were utilized. Implant surface was rubbed with 50㎎/㎖ tetracycline-HCL solution for ½min., 1min., 1½min., 2min., and 2½min. respectively in the test group. Then, specimens were processed for scanning electron micro- scopic observation. The results of this study were as follows. 1. Both test and control group showed a few shallow grooves and ridges in pure titanium machined surface implants. There were not significant differences between two groups. 2. In HA-coated surfaces, round particles were deposited irregularly. The roughness of surfaces conditioned with tetracycline-HCL was lessened and the cracks were increased relative to the application time. 3. The anodic oxidized surfaces showed the craterous structures. The surface conditioning with tetracycline-HCl didn't influence on its micro-morphology. In conclusion, the detoxification with 50㎎/㎖ tetracycline-HCL must be applied respectively with different time according to various implant surfaces.
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