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完整後設資料紀錄
DC 欄位 | 值 | 語言 |
---|---|---|
dc.contributor.advisor | 楊宗傑(Tsung-Chieh Yang) | |
dc.contributor.author | Wan-Ting Wang | en |
dc.contributor.author | 王琬婷 | zh_TW |
dc.date.accessioned | 2021-06-17T08:11:26Z | - |
dc.date.available | 2022-08-27 | |
dc.date.copyright | 2019-08-27 | |
dc.date.issued | 2019 | |
dc.date.submitted | 2019-08-15 | |
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dc.identifier.uri | http://tdr.lib.ntu.edu.tw/jspui/handle/123456789/73834 | - |
dc.description.abstract | 實驗目的: 評估加入適當比例的聚甲基丙烯酸甲酯 (poly methyl methacrylate, PMMA) 樹脂後是否對新式組織調理材(NTU-TC)與活動義齒基底間的黏著強 度有影響。
材料與方法: 實驗組依照組織調理材比例,依序加入 2.5、5、7.5、10、12.5 和 15 wt%的 PMMA 樹脂共 6 大組於新型組織調理材粉劑中和聚乙基丙烯酸甲酯 (poly ethyl methacrylate, PEMA) 樹脂調和,並和液劑— 78.3 wt%乙醯檸檬酸三丁酯 (acetyl tributyl citrate, ATBC)、8.7 wt%超分支聚酯 (hyperbranched polyester, 簡稱 TAH) 和 13 wt%乙醇以粉液比 1.2 均勻混合。控制組為不加入任何 PMMA 樹脂 的 NTU-TC。依據國際標準 (International Organization for Standardization, ISO) ISO 10139-2:2016 規範和美國材料測試協會 (American Society for Testing and Materials, ASTM) ASTM: D429 Method A 的建議進行抗張黏著強度測試,將每組 組織調理材與常用於活動義齒基底之材料—PMMA 樹脂塊 (Lucitone 199, Dentsply) (尺寸直徑為 30 mm、厚度 30 mm) 進行裝配,組織調理材尺寸固定為 截面積 7.07 cm2、厚度 3 mm,以兩塊樹脂塊似三明治般黏著成一受試樣品,接著 模擬口腔環境於不同天數下之 37±1°C蒸餾水中浸泡 (依據浸泡時間分成第 0、1、3、7、14、28 天共 6 小組),並用萬用測試儀 (universal testing machine) 以 10 mm/min 速率拉開進行抗張黏著強度測試 (tensile test) 以及紀錄抗張黏著強度數 值 (tensile bond strength value)。每小組需 10 個樣品 (n=10),共計 420 個樣品。 統計方式使用雙因子變異數分析 (two-wayANOVA)、單因子變異數分析 (one- way ANOVA),再以 Tukey HSD 法作事後比較檢定 (post-hoc test) ,有意義水準 設於 p≤0.05。以肉眼和立體顯微鏡觀察試驗後黏著失效模式 (failure mode) 並記 錄。 實驗結果: 在第 0-28 天間,添加不同比例 PMMA 樹脂的 NTU-TC 和活動義齒基 底 PMMA 樹脂間的平均抗張黏著強度數值,同組間隨著浸泡時間的增加除了控 制組 (p=0.126) 以外都有顯著增加的趨勢 (p≤0.05);各組間加入 7.5 wt% PMMA 樹脂的組別測試結果顯示在第 0 天至第 28 天的平均抗張黏著強度數值均為最 高,和控制組相比,加入 7.5 wt% PMMA 樹脂組別的抗張黏著強度數值,隨著浸 泡時間的增加,除了第 3 天 (p=0.120) 以外都有顯著增加的趨勢 (p≤0.05)。有關 失效模式分析,各組材料都有出現膠合面失效 (adhesive failure) 和混合失效 (mixed failure) 的情況。整體而言,發生混合失效者較多,佔 53.3%,而膠合面失 效佔 46.7%。 結論: 添加不同比例的 PMMA 樹脂和浸泡水中的時間這兩項因素都會對 NTU-TC 和活動義齒基底 PMMA 樹脂間的抗張黏著強度有影響。在第 0-28 天間,加入 2.5-15 wt% PMMA 樹脂均能使 NTU-TC 與活動義齒基底間在 14 天內達到臨床需 求的黏著強度;然而並非隨著添加的 PMMA 樹脂愈多, 黏著強度會增加愈多,其 中以加入 7.5 wt% PMMA 樹脂的組別有最顯著的黏著效果。而自 14 天至 28 天的 觀察期間,加入 5 wt% 的 PMMA 樹脂或是 7.5 wt% 的 PMMA 樹脂都能有效增 加抗張黏著強度而改善 NTU-TC 的黏著強度,使其高於市售產品 Lynal 的黏著強 度。模擬口腔環境下 28 天,所有組別的抗張黏著強度均隨著浸泡水中時間的增 加而有增加的趨勢。各組組織調理材都有出現膠合面失效和混合失效的情況,推 測是添加 PMMA 樹脂之後的聚合物不均質,部分界面因為材料吸水膨脹而分 離,呈現膠合面失效,部分界面因為 PMMA 樹脂使黏著性質增強而超過材料本 身抗撕裂能力、伴隨剪切力量的介入而呈現膠合體失效。然而,本實驗並未觀察 到隨著浸泡天數的增加或添加 PMMA 樹脂比例的增多而趨向膠合面失效或是膠 合體失效的情形。 | zh_TW |
dc.description.abstract | Objective: This in vitro study was to evaluate the effects of adding poly(methyl methacrylate) (PMMA) resin into a new type tissue conditioner (named as NTU-TC) on its bond strength to PMMA denture base resin.
Materials and Methods: This study included six experimental groups (n=10) according to the amount of PMMA added. 2.5, 5, 7.5, 10, 12.5, and 15 wt% PMMA were added to poly(ethyl methacrylate) (PEMA) powder and mixed with the liquid consisted of 78.3 wt% acetyl tributyl citrate (ATBC), 8.7 wt% hyperbranched polyester (TAH), and 13 wt% alcohol by powder/liquid of 1.2. The original NTU-TC with 100wt% PEMA was used as the control group for comparison. According to the methods introduced by ISO10139-2:2016:7.3 and ASTM: D-429, each cylinder samples consisted of two resin blocks (diameter of 30 mm x thickness of 30 mm) and the tested tissue conditioner (with 7.07 cm2 cross-sectional area x 3 mm thickness) placed between the blocks sandwichedly. After immersion in the distilled water at 37±1°C in the simulations of oral environment for 0, 1, 3, 7, 14, and 28 days, the tensile bond strength was examined using a universal testing machine at a crosshead speed of 10 mm/min. The peak force was recorded. The data were analyzed using two-way ANOVA, and one-way ANOVA with Tukey HSD post hoc test. The p value ≤ 0.05 means stastically significant. The failure mode was also observed with visual examination and stereomicroscope, and was recorded as adhesive, cohesive or mixed failure. Results: From Day 0 to Day 28, the mean tensile bond strength value of all groups except the control group (p=0.126) significantly increased with immersion time (p≤0.05). Addition of 7.5wt% PMMA to the NTU-TC showed the highest mean tensile bond strength value, which were 0.416 ± 0.050, 0.480 ± 0.065, 0.499 ± 0.059, 0.545 ± 0.057, 0.601 ± 0.047, and 1.452 ± 0.317 MPa at the day of 0, 1, 3, 7, 14 and 28 individually. The mean tensile bond strength value of the control group was 0.353 ± 0.052, 0.348 ± 0.069, 0.424 ± 0.069, 0.425 ± 0.080, 0.495 ± 0.082 and 0.612 ± 0.055 MPa individually. Compared to the control group, significantly higher mean tensile bond strength was observed in the 7.5 wt% PMMA group from Day 0 to Day 28 (p≤0.05) expect Day 3 (p=0.120). Regarding to the failure mode, all the groups showed both adhesive failure and mixed failure. The proportion of mixed failure (53.3%) was higher than that of adhesive failure (46.7%). Conclusions: Within the limitation of this study, the tensile bond strength of all groups increased with increasing immersion time form Day 0 to day 28. Adding 7.5 wt% PMMA resin to the powder of NTU-TC showed a maximal increase on the tensile bond strength to PMMA denture base resin within 28 days. We think the new tissue conditioner (NTU-TC) had suitable bonding property with addition of proper amount and proportion of PMMA resin. | en |
dc.description.provenance | Made available in DSpace on 2021-06-17T08:11:26Z (GMT). No. of bitstreams: 1 ntu-108-R05422020-1.pdf: 21291768 bytes, checksum: 3c13890d886d314aefc57c463fd99340 (MD5) Previous issue date: 2019 | en |
dc.description.tableofcontents | 誌 謝........................................................................................ 2
中 文 摘 要......................................................................................3 ABSTRACT .................................................................................. 6 目錄............................................................................................... 9 圖目 錄 ........................................................................................ 15 表目 錄 ....................................................................................... 18 第一章 文獻回顧.............................................................................19 1.1. 義齒軟性墊底材的臨床使用 ......................................................19 1.1.1定義、分類和功能....................................................................19 1.1.2.材料特性 .............................................................................24 1.2. 黏彈性質(VISCOELASTICITY)...............................................26 1.3. 影響黏彈性質的因素 ............................................................. 28 1.3.1. 塑化劑的添加............................................................... 28 1.3.1.1. 塑化理論和衰退效應 (AGING EFFECT)............................... 28 1.3.1.2. 環保塑化劑.......................................................................30 1.3.1.3. 大分子量塑化劑與超分支聚酯TAH.................................32 1.3.2. 乙醇的添加與凝膠化作用 (GELATION) ................................ 34 1.3.3. 水分的吸收 ......................................................................... 36 1.3.4. PMMA 樹脂的運用 .............................................................. 36 1.4. 黏著強度 (BOND STRENGTH) ............................................37 1.4.1. 黏著強度測試.......................................................................38 1.4.1.1. 美國材料測試協會規範:ASTMD429METHODA..............40 1.4.1.2. 國際標準ISO規範:ISO10139-2:2016..........................41 1.4.2. 達到臨床使用需求的黏著強度之評估 .................. ..............42 1.4.3. 塑化劑含量對黏著強度的影響 .................................. 44 1.5. 改善黏著強度的方法 ....................................................44 1.5.1. 浸泡於水中的時間 ............................................................47 1.5.2. 熱循環(THERMOCYCLING)和模擬衰退效應 (AGING EFFECT)......................................................................................48 1.5.3. 樹脂基底材料和襯底材料的選擇......................................51 1.5.4. 義齒基底表面之處理 .........................................................51 1.6. 黏著失效 (BONDING FAILURE) 與失效模式 (FAILURE MODE)........................................................................................ 56 1.7. 文獻回顧結論 ......................................................................57 第二章 研究動機與目的 ........................................................... 59 2.1. 研究動機 ........................................................................59 2.2. 研究目的 ........................................................................60 第三章 材料與方法 .......................................................................61 3.1. 實驗藥品 .............................................................................61 3.2. 實驗儀器 ..............................................................................65 3.3. 實驗流程................................................................................67 3.4. 實驗樣品備製 ......................................................................68 3.4.1. 合成超分支聚酯 (TAH)........................................................ 68 3.4.2. 活動義齒基底材料樹脂塊備製 ..............................................70 3.5. 前導實驗(1): 初步評估添加 PMMA 樹脂於 NTU-TC 粉劑中的比例範圍 ............................................................................................72 3.5.1. PMMA 的選用 ...................................................................72 3.5.2. NTU-TC 備製 .............................................................. 73 3.5.3. 樣品組裝 ............................................................................75 3.5.4. 模擬口腔環境................................................................. 77 3.5.5. 抗張黏著強度測試 .........................................................78 3.5.6. 實驗結果 ...................................................................... 79 3.6. 前導實驗(2): 比較添加 100 WT% PEMA 樹脂之 NTU-TC 與市售產品的黏著強度………......................................................................81 3.6.1. 組織調理材備製 ...................................................................81 3.6.2. 樣品組裝 ............................................................................ 82 3.6.3. 模擬口腔環境.................................................................... 83 3.6.4. 抗張黏著強度測試 .......................................................83 3.6.5. 實驗結果 ....................................................................83 3.7. 正式實驗 ............................................................................ 85 3.7.1. 包含不同重量百分比 PMMA 之 NTU-TC 備製 ......................85 3.7.2. 樣品組裝 ....................................................................... 87 3.7.3. 模擬口腔環境.................................................................. 88 3.7.4. 抗張黏著強度測試 ..............................................................88 3.8. 黏著失效模式分析................................................................89 3.9. 統計分析.............................................................................90 第四章 實驗結果 ......................................................................91 4.1. 抗張黏著強度測試 ..............................................................91 4.1.1. 模擬口腔環境之第 0 天..........................................................93 4.1.2. 模擬口腔環境之第 1 天.......................................................94 4.1.3. 模擬口腔環境之第 3 天.....................................................95 4.1.4. 模擬口腔環境之第 7 天..................................................96 4.1.5. 模擬口腔環境之第 14 天......................................................97 4.1.6. 模擬口腔環境之第 28 天 ................................................98 4.1.7. 模擬口腔環境之控制組 (100 WT% PEMA).......................... 99 4.1.8. 模擬口腔環境之添加不同重量百分比 (2.5、5、7.5、10、12.5 和 15 WT%) 之 PMMA 樹脂............................................................100 4.2. 黏著失效分析........................................................................104 4.2.1. 肉眼觀察............................................................................104 4.2.2. 肉眼觀察之黏著失效模式比例 ............................................105 4.2.3. 肉眼觀察各組在不同天數時之黏著失效模式 ........................106 4.2.4. 不同倍率放大之觀察..................................................... 112 4.2.5. 不同倍率放大之觀察:膠合面失效 (ADHESIVE FAILURE) ..... 113 4.2.6. 不同倍率放大之觀察:混合失效 (MIXED FAILURE)............... 114 4.3. 統計分析........................................................................ 116 4.3.1. 雙因子變異數分析 (TWO-WAY ANOVA) ...................... 116 4.3.2. 單因子變異數分析 (ONE-WAY ANOVA)............................ 116 第五章 討論........................................................................... 118 5.1. 抗張黏著強度與添加 PMMA 樹脂之探討.......................... 119 5.2. 抗張黏著強度與模擬口腔環境因素之探討........................... 124 5.3. 黏著失效之分析.....................................................................126 5.3.1. 膠合面失效 (ADHESIVE FAILURE) 發生之探討.............. 126 5.3.2. 混合失效 (MIXED FAILURE) 發生之探討..............................127 5.3.3. 抗張黏著強度數值與失效模式之關係....................................129 5.4. 實驗設計的問題和限制...........................................................129 5.4.1. 與受試材接觸樹脂塊之表面處理.....................................130 5.4.2. 樹脂塊不鏽鋼模具的改良與影響..................................... 132 5.4.3. 抗張黏著強度測試之設定 ................................................ 133 5.5. 未來展望.............................................................................135 第六章 結論..................................................................................136 參考文獻..................................................................................... 137 附 錄.................................................................................... 143 APPENDIX 1: TWO-WAY ANOVA DATA...................................... 143 受試者間效應項的檢定 ......................................................... 143 APPENDIX 2: ONE-WAY ANOVA DATA ............................... 144 | |
dc.language.iso | zh-TW | |
dc.title | 評估新式組織調理材加入聚甲基丙烯酸甲酯樹脂對黏著強度的影響:體外實驗 | zh_TW |
dc.title | Evaluation of the Bond Strength of New Tissue Conditioner with Addition of Poly(methyl methacrylate) Resin: An In Vitro Study | en |
dc.type | Thesis | |
dc.date.schoolyear | 107-2 | |
dc.description.degree | 碩士 | |
dc.contributor.coadvisor | 林立德(Li-Deh Lin) | |
dc.contributor.oralexamcommittee | 李伯訓,鄭國忠 | |
dc.subject.keyword | 組織調理材,抗張黏著強度,超分支聚酯, | zh_TW |
dc.subject.keyword | Tissue conditioner,Tensile bond strength,Hyperbranched polyester, | en |
dc.relation.page | 162 | |
dc.identifier.doi | 10.6342/NTU201902550 | |
dc.rights.note | 有償授權 | |
dc.date.accepted | 2019-08-16 | |
dc.contributor.author-college | 醫學院 | 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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