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| ???org.dspace.app.webui.jsptag.ItemTag.dcfield??? | Value | Language |
|---|---|---|
| dc.contributor.advisor | 廖運炫(Yunn-Shiuan Liao) | |
| dc.contributor.author | Chung-Ling Lee | en |
| dc.contributor.author | 李忠玲 | zh_TW |
| dc.date.accessioned | 2021-06-16T17:21:48Z | - |
| dc.date.available | 2012-08-20 | |
| dc.date.copyright | 2012-08-20 | |
| dc.date.issued | 2012 | |
| dc.date.submitted | 2012-08-16 | |
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/63880 | - |
| dc.description.abstract | 本研究之目標在於提升超音波牙鑽的切削效率，增加在臨床上的實用性。首先先分析電鍍鑽石超音波牙鑽與CVDD超音波牙鑽的差別，並經由一系列實驗找出CVDD牙鑽移除材料的機制，進而設計新的CVDD牙鑽表面。以加熱的方法改變牙鑽表面情形，並探討不同表面的CVDD牙鑽之間切削效果的關聯性。研究結果顯示CVDD超音波牙鑽的切削表現的確較電鍍牙鑽效果為優，並且有可以持續切削的優點。而對於牙釉質的磨削，方向性十分重要，在平行釉柱方向加工效果比垂直釉柱更好，並且各有其不同的材料移除方式。最後發現在氮氣中加熱10分鐘的CVDD牙鑽擁有比原來更好的切削性質，可在平行以及垂直釉柱方向的加工分別得到60%及30%的材料移除率增長。 | zh_TW |
| dc.description.abstract | The aim of this study was to increase enamel removal rate of dental diamond burs with ultrasonic system. In this study, the cutting performances of burs made by electroplated diamond and by chemical vapor deposition diamond (CVDD) were compared, and the mechanism of enamel removal of CVDD was analyzed. Further, CVDD burs with new surface morphology created by heating at 700℃ were proposed. The results revealed that the cutting performances of CVDD burs are better than the electroplated diamond one. When preparing cavities on enamel, the direction of enamel prism influences a lot. Working direction parallel to the enamel prism gets better performance than perpendicular to it. After 10 minutes heating in Nitrogen, the enamel removal rate of parallel and vertical enamel prism increased respectively in 60% and 30% than original. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-16T17:21:48Z (GMT). No. of bitstreams: 1 ntu-101-R00522713-1.pdf: 7783230 bytes, checksum: 24cd20e4087d967f5e6a5a3f04e95ce0 (MD5) Previous issue date: 2012 | en |
| dc.description.tableofcontents | 目錄
摘要 I ABSTRACT II 目錄 III 圖目錄 VI 表目錄 IX 第1章 緒論 1 1.1研究背景與動機 1 1.2文獻回顧 3 1.3研究目的 6 1.4本文架構 6 第2章 相關理論 8 2.1牙釉質 8 2.2超音波牙鑽 9 2.3磨削機制 10 2.3.1 硬脆材料去除機制 14 2.3.2 磨削效率 17 2.4 CVDD原理 20 2.4.1 鑽石 20 2.4.2 CVD原理 23 2.4.3 CVDD製程 25 第3章 實驗設備及實驗規劃與方法 26 3.1 實驗設備 26 3.1.1 超音波振動磨削加工設備 26 3.1.2 量測設備 30 3.2實驗規劃 33 3.3實驗方法 35 第4章 實驗結果與討論 42 4.1 CVDD牙鑽與電鍍鑽石牙鑽頭之分析與比較 42 4.1.1 超音波牙鑽表面狀況 42 4.1.2 實驗結果 43 4.1.3 小結 47 4.2 CVDD牙鑽對牙齒的材料移除原理 48 4.2.1 實驗結果 48 4.2.2 小結 57 4.3 設計、製造不同形貌的CVDD牙鑽頭表面 58 4.3.1 氧化加熱以及隔氧加熱 58 4.3.2 實驗結果 59 4.3.3 小結 63 4-4 加熱牙鑽切削實驗 64 4.4.1 加熱牙鑽磨削實驗結果 64 4.4.2 加熱牙鑽壓入實驗結果 65 4.4.3 加熱牙鑽磨削實驗牙齒表面 68 4.4.4 綜合討論 70 4.4.5 小結 72 第5章 結論與未來展望 73 5.1 結論 73 5.2 未來展望 74 參考文獻 75 | |
| dc.language.iso | zh-TW | |
| dc.subject | CVDD | zh_TW |
| dc.subject | 超音波 | zh_TW |
| dc.subject | 牙釉質 | zh_TW |
| dc.subject | ultrasonic | en |
| dc.subject | enamel | en |
| dc.subject | CVDD. | en |
| dc.title | CVDD超音波牙鑽表面特性對牙釉質磨削之研究 | zh_TW |
| dc.title | The Study of Dental CVDD Burs with Ultrasonic System on Enamel Removal Characteristics | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 100-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 羅勝益(S.Y. Luo),趙崇禮(Choung-Lii Chao) | |
| dc.subject.keyword | 超音波,牙釉質,CVDD, | zh_TW |
| dc.subject.keyword | ultrasonic,enamel,CVDD., | en |
| dc.relation.page | 78 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2012-08-17 | |
| dc.contributor.author-college | 工學院 | zh_TW |
| dc.contributor.author-dept | 機械工程學研究所 | zh_TW |
| Appears in Collections: | 機械工程學系 | |
Files in This Item:
| File | Size | Format | |
|---|---|---|---|
| ntu-101-1.pdf Restricted Access | 7.6 MB | Adobe PDF |
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