• 제목/요약/키워드: CellNest surface

검색결과 2건 처리시간 0.015초

표면처리 시간에 따른 임프란트 미세구조의 변화 : $FBR^{(R)}$과 CellNest 표면 임프란트 (Micromorphometric change of implant surface conditioned with tetracycline-HCI : $FBR^{(R)}$ and CeliNest surface)

  • 창동욱;박준봉;권영혁;허익;정종혁
    • Journal of Periodontal and Implant Science
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    • 제36권3호
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    • pp.717-729
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    • 2006
  • The present study was performed to evaluate the effect of tetracycline-BCL on the change of implant surface microstructure according to application time. Implant with pure titanium machined surface, double coated $FBR^{(R)}$ surface and oxidized CellNest surface were utilized. Implant surface was rubbed with $50mg/m{\ell}$ tetracycline-BCL solution for ${\frac{1}{2}}$, 1, $1{\frac{1}{2}}$, 2 and $2{\frac{1}{2}}$min. respectively in the test group. Then, specimens were processed for scanning electron microscopic 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. The double coated $FBR^{(R)}$ surfaces showed fine crystalline structures. The roughness of surfaces conditioned with tetracycline-BCL was lessened relative to the application time. 3. The oxidized CellNest surfaces showed the porous structures. The surface conditioning with tetracycline-BCI influenced on its micro-morphology. In conclusion, the detoxification of the affected implant surface with $50mg/m{\ell}$ tetracycline-BCL should be applied respectively with different time according to various implant surfaces.

An occurrence of mammary spindle cell carcinoma in a dog

  • Hong, Sunhwa;Lee, Hyun-A;Kim, Dong-Woo;Kim, Tae-Wan;Kim, Okjin
    • 한국동물위생학회지
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    • 제37권4호
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    • pp.313-317
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    • 2014
  • A bitch was presented for investigation of the mass in left 5th mammary gland. The partial mastectomy was performed and submitted for the histopathological diagnosis. The mammary mass was firm and white colored. The cut surface was separated with several lobules and developed vessels. The central area of the mass formed the cavity filled with inflammatory exudates. The dominant component of the tumor was the bundles of spindle-shaped cells. Some tumor cells possessed atypical nuclei and were arranged in a solid nest. Cysts were microscopically composed of hemorrhage, necrosis, and exudates, partially surrounded by tumor cells and granulation tissues. Histopathologically, the mammary mass revealed spindle cell carcinoma. The bitch made a complete recovery following the mastectomy. This case was a rare mammary spindle cell carcinoma in a dog.