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| DC 欄位 | 值 | 語言 |
|---|---|---|
| dc.contributor.advisor | 林俊彬(Chun-Pin Lin) | |
| dc.contributor.author | Yen-Yin Fang | en |
| dc.contributor.author | 方妍尹 | zh_TW |
| dc.date.accessioned | 2021-06-15T05:08:50Z | - |
| dc.date.available | 2015-09-09 | |
| dc.date.copyright | 2010-09-09 | |
| dc.date.issued | 2010 | |
| dc.date.submitted | 2010-07-26 | |
| dc.identifier.citation | Al-Hiyasat AS, Tayyar M, Darmani H (2010). Cytotoxicity evaluation of various resin based root canal sealer. Int Endod J 43:148-53
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| dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/46434 | - |
| dc.description.abstract | 根管封填主要以馬來膠錐體搭配封填劑使用，其中使根管系統達到滴水不漏的密封主要是靠封填劑，但傳統各類封填劑與馬來膠體及牙本質之間的黏著並不理想。我研究團隊所研發出的胺酯壓克力樹酯封填劑，有良好操作性質並且與聚胺脂錐體材料及牙本質之間的黏著有優於傳統根管封填劑的表現。然而之前研究顯示胺酯壓克力樹酯封填劑在細胞毒性有很高的變異性，因此我們改變製成過程並將熱起始劑更換為偶氮二異戊晴 (AMBN)。本研究目的為探討以偶氮二異戊晴(AMBN) 為熱起始劑的新型胺酯壓克力樹酯封填劑在聚合程度及細胞毒性表現，並且對於更換熱起始劑後的封填劑進行推離鍵結測試及物理性質測試並與市售材料比較以了解是否仍保有與原來材料相同的優勢。結果顯示以 AMBN 為熱起始劑之胺酯壓克力樹酯封填劑有較高的聚合程度，而且在光源無法到達處仍是可以藉著光聚合所產生的熱以及37 ℃的環境下達到聚合；在細胞毒性測試、推離鍵結測試、溶解度及體積穩定度的測試結果，使用不同熱起始劑的胺酯壓克力樹酯封填劑之間並無顯著差異。而其中PC合成的胺酯壓克力樹酯封填劑比起PBA合成的胺酯壓克力樹酯封填劑及市售材料 EndoREZ™ 及 Epiphany™ 有較高的聚合程度、較低的細胞毒性以及較好的穩定性。因此，依據聚合程度測試得知AMBN較適合做為胺酯壓克力樹酯封填劑的熱起始劑；而在細胞毒性、聚合程度及物理性質方面，使用AMBN為熱起始劑的PC合成胺酯壓克力樹酯封填劑極具潛力可以應用於未來的臨床根管治療。 | zh_TW |
| dc.description.abstract | The standard root canal filling is a combination of sealers with gutta-percha cone. The sealers are responsible for the principal functions of the final root canal filling: sealing off of the root canal system, entombment of remaining bacteria and the filling of irregularities in the prepared canal. However, conventional root canal sealers do not have enough adhesion to dentin and gutta-percha cone. Our research team has developed dual-cured urethane-acrylate (UA) sealer. Although theses materials have good handling characteristics and bonding strength, the previous study showed they had high cytotoxicity. Therefore we synthesized the novel UA sealer by modifying the synthetic procedure and replacing the AIBN with AMBN as thermal initiator. The purposes of this study were to investigate the degree of conversion, cytotoxicity, bonding strength and physical properties of UA sealer with AMBN and AIBN as thermal initiator. The results showed UA sealer with AMBN as thermal initiator has higher degree of conversion. In cytotoxicity, push-out bonding, solubility and dimensional change test, there were no significant differences between UA sealers with different thermal initiator. And the PC-based UA sealer has higher degree of conversion, lower cytotoxicity、solubility and dimensional change than PBA-based UA sealer and commercial products. We conclude that AMBN is a more suitable thermal initiator than AIBN and PC-based UA sealer with AMBN as thermal initiator has high potential for clinical use. | en |
| dc.description.provenance | Made available in DSpace on 2021-06-15T05:08:50Z (GMT). No. of bitstreams: 1 ntu-99-R96422005-1.pdf: 3227819 bytes, checksum: bdbed95e338c47933138f45958ec61b1 (MD5) Previous issue date: 2010 | en |
| dc.description.tableofcontents | 謝誌 i
中文摘要 ii Abstract iii 簡寫表 iv 目 錄 v 圖 次 viii 表 次 x 第一章 前言 1 第二章 文獻回顧 5 2.1 理想的根管封填 5 2.2 根管封填錐體材料 (Cone Materials) 5 2.3 根管封填劑材料 (Sealer Materials) 6 2.3.1 傳統根管封填劑材料的發展 7 2.4 高分子根管封填劑 8 2.4.1 ResilonTM/EpiphanyTM 根管封填系統 8 2.4.2 EndoREZTM 根管封填系統 11 2.5 聚胺酯材料作為高分子根管封填系統的潛力 13 2.5.1 熱塑型聚胺酯 (TPU) 13 2.5.2 本研究團隊初步試驗結果 14 2.6 樹酯類根管封填劑聚合程度之測試 15 2.7 材料生物相容性之測試 16 2.7.1 MTT assay 17 2.8 根管填充材與根管牙本質間之鍵結強度測試 18 2.8.1 評估根管封填材料與根管壁間之黏著能力 18 2.8.2 推離鍵結測試法 19 第三章 動機與目的 21 第四章 材料與方法 23 4.1 聚合程度測試 23 4.1.1 實驗樣本製備 23 4.1.2 傅立葉紅外線光譜 23 4.2 體外細胞毒性測試 (Cytotoxicity test in vitro study) 25 4.2.1 3T3 細胞培養 (3T3 cell culture) 25 4.2.2 封填劑材料之樣本與萃取液備製 25 4.2.3 MTT assay 27 4.2.4 統計分析 27 4.3 根管封填材與根管牙本質間之推離鍵結強度測試 28 4.3.1 實驗樣本之製備 28 4.3.2 推離鍵結強度測試 30 4.4 封填劑物理性質測試 32 4.4.1 溶解度測試 32 4.4.2 體積穩定度測試 32 4.4.3 統計分析 33 第五章 結果 34 5.1 根管封填劑的聚合程度測試結果 34 5.2 根管封填劑細胞毒性測試結果 34 5.3 根管封填材與根管牙本質間之推離鍵結強度測試的結果 36 5.4 根管封填劑物理性質的測試結果 36 5.4.1 封填劑溶解度測試結果 36 5.4.2 封填劑劑體積穩定度測試結果 37 第六章 討論 38 6.1 根管封填劑聚合程度之探討 38 6.1.1 市售樹酯類封填劑，EpiphanyTM以及EndoREZTM，聚合程度之討論 39 6.1.2 胺酯壓克力樹酯封填劑聚合程度之討論 40 6.2 根管封填劑體外細胞毒性測試之探討 41 6.2.1 市售樹酯類封填劑，AH Plus®、EpiphanyTM以及EndoREZTM， 細胞毒性之討論 42 6.2.2 胺酯壓克力樹酯封填劑細胞毒性之討論 43 6.3 根管封填材與根管牙本質間之推離鍵結強度測試之探討 43 6.4 根管封填劑物理性質之探討 44 6.4.1 溶解度測試 44 6.4.2 體積變化測試 45 第七章 結論 47 第八章 未來研究目標 48 參考文獻 49 | |
| dc.language.iso | zh-TW | |
| dc.subject | 聚合程度 | zh_TW |
| dc.subject | 體積穩定度 | zh_TW |
| dc.subject | 溶解度 | zh_TW |
| dc.subject | 推離鍵結測試 | zh_TW |
| dc.subject | 細胞毒性 | zh_TW |
| dc.subject | 樹酯 | zh_TW |
| dc.subject | 胺酯壓克力 | zh_TW |
| dc.subject | 根管封填劑 | zh_TW |
| dc.subject | thermoplatic polyurethane | en |
| dc.subject | cytotoxicity | en |
| dc.subject | push-out bonding test | en |
| dc.subject | dimensional change | en |
| dc.subject | root canal sealer | en |
| dc.subject | solubility | en |
| dc.subject | degree of conversion | en |
| dc.title | 新型胺酯壓克力樹酯封填劑：聚合程度、細胞毒性及物理性質 | zh_TW |
| dc.title | Novel Urethane-acrylate Root Canal Sealer:
Degree of Conversion, Cytotoxicity, and Physical Properties | en |
| dc.type | Thesis | |
| dc.date.schoolyear | 98-2 | |
| dc.description.degree | 碩士 | |
| dc.contributor.oralexamcommittee | 謝國煌,李伯訓 | |
| dc.subject.keyword | 根管封填劑,胺酯壓克力,樹酯,聚合程度,細胞毒性,推離鍵結測試,溶解度,體積穩定度, | zh_TW |
| dc.subject.keyword | root canal sealer,thermoplatic polyurethane,degree of conversion,cytotoxicity,push-out bonding test,solubility,dimensional change, | en |
| dc.relation.page | 78 | |
| dc.rights.note | 有償授權 | |
| dc.date.accepted | 2010-07-26 | |
| dc.contributor.author-college | 牙醫專業學院 | zh_TW |
| dc.contributor.author-dept | 臨床牙醫學研究所 | zh_TW |
| 顯示於系所單位： | 臨床牙醫學研究所 | |
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