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研究生:黃莉玲
研究生(外文):Li-ling Huang
論文名稱:牙齒矯正線及牙齒矯正微型骨釘之陽極處理
論文名稱(外文):Anodization of orthodontic archwires and orthodontic miniscrews
指導教授:陳信文陳信文引用關係
指導教授(外文):Sinn-wen Chen
學位類別:碩士
校院名稱:國立清華大學
系所名稱:化學工程學系
學門:工程學門
學類:化學工程學類
論文種類:學術論文
論文出版年:2008
畢業學年度:96
語文別:中文
論文頁數:130
中文關鍵詞:陽極氧化矯正線微型骨釘顏色
外文關鍵詞:anodizationarchwiresminiscrewscolor
相關次數:
  • 被引用被引用:3
  • 點閱點閱:802
  • 評分評分:
  • 下載下載:211
  • 收藏至我的研究室書目清單書目收藏:1
基於健康與美觀上的要求,牙齒矯正是現代人常見之醫療行為。矯正線與微型骨釘是牙齒矯正中最基本的器材,於生物相容性和機械性質考量,主要使用鈦與鈦基材之合金材料。陽極處理控制與改變金屬表面層之氧化,而光學干涉效應會因氧化層厚度與結構之改變產生著色效果,更能滿足美觀上要求。此外此氧化層表面性質亦對矯正線與拖架間的摩擦力,以及微型骨釘的骨質密合度造成影響。因此本研究將矯正線與微型骨釘於進行陽極處理,以及量測矯正線與拖架間摩擦力,從陽極處理條件對表面氧化層之影響和氧化層的微觀分析,清楚瞭解氧化層與著色、摩擦力、和骨質密合性的關係。結果顯示:陽極氧化之β-鈦矯正線隨不同電壓值呈現不同顏色;處理前後表面形態無太大變化,陽極化產生之氧化層厚度隨電壓值升高而增大,結晶結構則皆是非結晶性,氧化層組成由表面二氧化鈦、較深處則出現次氧化物,因此顏色主要由氧化層厚度控制,多彩顏色乃透明氧化層發生干涉效應所致。當電壓值較高、拉長氧化時間,則氧化層由透明轉為不透明,出現白色外觀;縱深組成變化與多彩矯正線類似,亦於內層出現次氧化層,但氧化層轉變為結晶結構、氧化層厚度亦大為增加,推測白色外觀應為結晶化所致,其顏色則不能以干涉效應解釋。另加入少量氟離子於電解液中,則成功於微型骨釘表面生成奈米洞,此中孔級奈米孔洞能增加表面粗糙度和面積,應能提升骨質密合性,縱深組成分析則少量氟元素含於氧化層中。陽極處理後之氧化β-鈦矯正線,因為表面氧化層之生成增厚,也降低了其與托架間之摩擦力。使用束縛橡皮圈式拖架組,動摩擦力大小依序為β-鈦矯正線>陽極氧化β-鈦矯正線、鎳-鈦矯正線。改變移動速率從5 mm / min 下降至0.5 mm / min,動摩擦力值則隨速度下降改變不大。若使用新式自動結紮Damon 3MX系拖拖架,因幾乎無正向力存在,則摩擦力接近為零。
Dental archwires and miniscrews are frequently used in the orthodontic treatments which are very popular nowadays owing to various healthy and cosmetic reasons. Commercial titanium and titanium-based archwires and miniscrews are anodized and examined in this study. The β-Ti archwires with different colors are produced by anodization with different anodized voltages. The surface of anodized wire is titanium oxide, and the oxidation states of Ti vary from TiO2 on the surface to inwardly a mixture of TiO2 and Ti2O3. For most of the anodization conditions, the oxide layers are amorphous. The thickness of oxide layer is determined by TEM and AES. The color of the anodized β-Ti archwires are primarily controlled by the thickness of the oxides which increases with the magnitudes of the applied voltage. With longer anodization time, the archwires change to milky white color. Composition and structure analysis results of the milky white archwires indicate that it is still TiO2 on the surface, but the titanium oxide layers became crystalline. Ti-6Al-4V miniscrews with mesoporous surfaces are produced by anodization using electrolyte with a small amount of fluorine. The mesoporous surfaces could significantly affect the products' osseointegration properties which need to be further explored. In the study of friction experiments, the anodized β-Ti and Ni-Ti archwires shows lower friction than the β-Ti archwires in the conventional stainless steel bracket with elastomeric ligature. When the friction experiments are carried out using the Damon3MX self-ligating bracket rather than the conventional bracket, the friction is singnificantly lower for all the archwires with and witout anodization and no differences can be observed between various archwires.
摘要 I
Abstract II
總目錄 V
圖目錄 VI
表目錄 XII
第一章、前言 1
第二章、文獻回顧 4
2-1矯正線的性質與介紹 4
2-2矯正植體的性質與介紹 9
2-3陽極處理 10
2-3-1 矯正線陽極處理 11
2-3-2 相關系統:鈦及鈦合金陽極處理 13
2-3-3 鈦及鈦合金陽極處理-奈米孔洞和奈米管 18
2-3-4 陽極氧化前表面前處理 23
2-3-5 相關系統:鎳鈦氧化膜組成、結構 24
2-4 光學干涉效應 32
2-5 矯正線與矯正托架間摩擦力 35
2-5-1 影響摩擦力因素 35
2-5-2 矯正托架與架矯正線間摩擦力測量裝置 39
第三章、研究方法 45
3-1陽極氧化處理用材料 45
3-2表面前處理 45
3-3陽極處理方法 46
3-3-1操作條件 46
3-3-2實驗裝置 46
3-4分析方法 48
3-4-1掃描式原子探測顯微鏡( SPM)分析表面粗糙度 48
3-4-2穿透式電子顯微鏡(TEM)分析樣品 48
3-4-3低掠角粉末繞射(GIXRD)分析樣品 51
3-4-4 X光光電子能譜儀(XPS)分析樣品 51
3-4-5歐傑電子能譜儀(AES)分析樣品 51
3-5骨質密合性(osseointergration) 52
3-6矯正線與矯正托架間摩擦力測量 54
3-6-1測試材料 54
3-6-2測試平台 54
3-6-2測試夾具和操作步驟 55
第四章、結果與討論 60
4-1表面處理和外觀顏色 60
4-2多彩矯正線氧化層分析 63
4-2-1多彩矯正線氧化層SEM和XPS分析 63
4-2-2多彩矯正線氧化層AES、TEM、GIXRD分析 73
4-3白色矯正線氧化層分析 82
4-4微型骨釘之陽極處理 90
4-5矯正線與拖架間摩擦力 96
第五章、結論 112
參考文獻 114
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