臺灣博碩士論文加值系統

光聚式複合樹脂 ( Light-cure composite resin ) 應用在牙科治療領域已有一、二十年之歷史。由於操作方便、塑形容易、色澤穩定且極具美觀性，因此被廣泛的使用於牙體復形治療。但樹脂最大的缺點為硬化時會產生聚合收縮而引發術後敏感或導致充填治療失敗。目前廣泛所使用的光聚機是以鹵素燈泡為光源，為了降低樹脂收縮引發之邊緣應力，學者試圖改變傳統鹵素光聚合模式，而有新型多功能鹵素光聚機的發展；此外為了縮短聚合所需之時間，學者試圖以較大光照強度來聚合樹脂而有電漿光聚機的發展。然而這些新型光聚機光譜特性、或是不同光照強度模式對聚合樹脂的效果，仍少有相關的研究。
因此，本研究的目的主要在探討三個主題 : 一.　比較傳統鹵素光聚機、新型多功能鹵素光聚機和電漿光聚機頻譜分布上的差異。 二. 比較不同光聚機種內所設定之光聚合模式其光照強度值變化。 三. 依廠商所提供不同的光聚合模式下，測定樹脂聚合後的表面硬度是否有所差異。本次研究所測試的光聚機分別為: 傳統鹵素光聚機 XL-3000 ( 3M , USA )；新型多功能鹵素光聚機 Optilux 501 ( Kerr )、Q-Lux pro V ( Rolence , R.O.C )；電漿光聚機Apollo 95E ( DMD)，Flipo ( Lokki , French )等五台光聚機。所選用的光聚式複合樹脂為 Z — 100 ， A2 ( 3M , USA )。
在光譜分析方面，利用頻譜分析儀(S-2000 , Ocean Optics Inc. , USA)分析各台光聚機所射出的藍光頻譜。結果顯示，傳統鹵素光聚機與新型多功能鹵素光聚機的頻譜分布相似。傳統鹵素光聚機(XL─3000)的頻譜範圍為410 ~ 520 nm，波峰出現在498、499nm；而新型多功能鹵素光聚機中的Q-Lux pro V頻譜範圍為400 ~ 520 nm，波峰出現在498、499nm；而另一台新型多功能鹵素光聚機Optilux 501的頻譜範圍為390 ~ 520 nm，波峰出現在497、498nm。電漿光聚機在使用時以配備有引光導管的測試結果顯示出其頻譜範圍較鹵素光聚機狹窄，其中Flipo的頻譜範圍為430 ~ 520 nm，波峰出現在469、474、484、493nm；而Apollo 95E的頻譜範圍為450 ~ 510 nm，波峰出現在474、484nm。在光照強度測試中，電漿光聚機的強度表現最佳，最高是Apollo 95E的1800mW/cm2，其次是Flipo的1500 mW/cm2；而傳統鹵素光機的強度為360mW/cm2；在新型多功能鹵素光聚機的強度方面，則隨著模式設定的不同，光照強度範圍從140mW/cm2到700 mW/cm2不等。在聚合能力測試，樹脂充填在半徑2mm，厚度2mm中空圓柱型的鐵氟龍模具中，然後以光聚機中所設定之光聚合模式加以聚合。每組模式做十二個試片，然後測量比較其樹脂試片頂部和底部硬度值之差異。所得到的結果，以XL─3000聚合之樹脂其頂部表面硬度為100.5+3.3KHN，底部表面硬度為 85.3+2.8KHN。而以Q-Lux pro V聚合之樹脂其頂部表面硬度範圍為82.6+4.3 ~ 107.5+4.4KHN，底部表面硬度範圍為71.3+2.7 ~ 96.0+3.2KHN；而以Optilux 501聚合之樹脂其頂部表面硬度範圍為81.3+1.7 ~ 108.5+4.2KHN，底部表面硬度範圍為66.6+1.5 ~ 91.6+1.7KHN；而以Flipo聚合之樹脂其頂部表面硬度範圍為18.8+2.1 ~ 90.2+0.9KHN，底部表面硬度範圍為16.1+0.5 ~ 83.1+1.4KHN；而以Apollo 95E聚合之樹脂其頂部表面硬度範圍為38.8+1.7 ~ 91.7+1.7 KHN KHN，底部表面硬度範圍為29.6+0.8 ~ 85.5+2.5KHN。若以XL─3000聚合後樹脂的表面硬度為標準，在硬度比分析中，則僅有傳統鹵素光機與多功能鹵素光機中的幾種模式可用來評比，而電漿光聚合機則完全無任何模式達到分析標準。換言之，以高光照強度輸出的電漿光聚合機在依廠商指示的聚合模式下在聚合能力測試所得到的結果並無法獲得如傳統鹵素光機之聚合效果。

零. 謝誌 3
壹. 中文摘要 4
貳. 英文摘要 7
參. 簡介 8
肆. 文獻回顧　　　　　 　　　　　　　　　　10
4.1 光源種類 12
4.2 光照模式的改變 14
4.3 光聚機的改變 17
伍. 材料與方法 21
陸. 結果 26
柒. 討論 　　　　　　　　　　　　　　　　　33
捌. 結論 43
玖. 附表 46
壹拾. 附圖 64
壹拾壹. 參考文獻 81

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