LASER PROCESSED TANTALUM FOR IMPLANTS Amit Bandyopadhyay , solaiman tarafder , Vamsi Krishna Balla and Susmita Bose , The America Ceramic Society , 2012. 指導教授:郭聰源 報告者:林柏嘉 報告日期: 102 年 7 月 24 日. 大 綱. 一、介紹 二、實驗內容 三、實驗流程 四、結果與討論 五、結論. 一、介紹 (1/4). - PowerPoint PPT Presentation
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Southern Taiwan University of Science and Technology Materials & Micro-Joining
Laboratory
1
指導教授:郭聰源 報告者:林柏嘉
報告日期: 102 年7 月 24 日
LASER PROCESSED TANTALUM
FOR IMPLANTSAmit Bandyopadhyay , solaiman tarafder , Vamsi Krishna Balla and Susmita Bose , The America
Ceramic Society , 2012.
Southern Taiwan University of Science and Technology Materials & Micro-Joining
Laboratory
2
大 綱
一、介紹
二、實驗內容
三、實驗流程
四、結果與討論
五、結論
Southern Taiwan University of Science and Technology Materials & Micro-Joining
morphologies, (a) Ti surface, after 3 days, (b) Ta surface, after 3 days, (c) Ti surface, after 14 days, and (d) Ta surface, after 14 days .
Southern Taiwan University of Science and Technology Materials & Micro-Joining
Laboratory
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對於培養持續時間在鉭表面比在鈦觀察到更高的細胞密度。
經過 14天的培養後,在鉭比鈦上觀察到高於 6倍的細胞密度。
四、結果與討論(2/3)
Figure 2. MTT assay of hFOB cells observed on Ta and Ti surfaces as a function of cuclture time . A higher optical density represents ahigher concentration of living cells .
Southern Taiwan University of Science and Technology Materials & Micro-Joining
在 8週後 60% 和 70% 密度的多孔鉭植入材顯示良好骨組織向毛孔內生長。然而, 4周和 8周樣品顯示60% 的鉭植入材密度表現比 70% 有較好的骨組織向毛孔內生長。Figure 3. back scattered electron microscope (BSEM)micrographs
of Ti control ,60% dense Ta, and 70% dense Ta implants showing the development of new bone formation after 4 and 8 weeks implantation in rat distal femur . FIZ:fibrous interzone , NB:new bone.
A B C
a b c
Southern Taiwan University of Science and Technology Materials & Micro-Joining