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題 名 | 根尖充填材抗菌作用之探討=Study on the Antimicrobial Activities of Root-End Filling Materials |
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作 者 | 林伶紅; 施永勳; 張文乾; 王正怡; | 書刊名 | 中華牙醫學雜誌 |
卷 期 | 16:2 1997.06[民86.06] |
頁 次 | 頁106-116 |
分類號 | 416.9492 |
關鍵詞 | 逆充填材料; 抗菌作用; Antimicrobial activity; Root-end filling materials; |
語 文 | 中文(Chinese) |
中文摘要 | 根管治療最主要的目的是要保存牙齒,以便恢復其原有的功能及外觀。傳統根管 治療的步驟,是將髓腔及根管先施行清創擴創,然後再以適當的材料將根管封填。當傳統根 管治療方式不可行,或治療失敗時,往往需藉由根尖手術合併逆向根管充填,來達到治療病 灶保留牙齒的目的。若根尖逆充填材料,具有抗菌作抈,則對於治療或防止根尖區感染及提 高根尖手術之成功率有所幫助。本實驗是用瓊脂擴散法探討幾種根尖逆充填材料包括: amalgam, IRM, Super-EBA, zinc oxide-eugenol 及 Cavit 等,對於 Escherichia coli, Staphylococcus aureus, Pseudomonas aeruginosa, Streptococcus mitis,以及 Streptococcus faecalis 之抗菌作用。 結果顯示這些材料抗菌效果強弱範圍不盡相同,其 中以 zinc oxide-eugenol 效果最好,amalgam 效果最差,若以細菌種類而言,以 Streptococcus faecalis 最具有抗性, 而 Escherichia coli 和 Staphylococcus aureus 則對各種材料的感受性較性。整體來看五種測試材料其抗菌效果依序為:zinc oxide-eugenol,Cavit,IRM, Super-EBA, amalgam,之總體細菌抗菌效果最好,具有統計 學上的意義 (p<0.05)。其他四種材料間之差異並無統計學上之意義。 |
英文摘要 | The antibacterial activity of five root-end filling materials on five bacteria was investigated using the agar diffusion test. Both fresh and aged preparations of IRM, Super-EBA, zinc oxide-eugenol and Cavit showed antibacterial effects with four of the five tested bacteria, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa, and Stre[tpcoccus mitis. Amalgam had no measureable effect on the five tested bacteria. For most of the tested materials, fresh preparations were superior to that of the aged (p<0.05). Antibacterial action persisted for 2 days and even up to 7 days or more. Both the liquid and powder components of zinc oxide based eugenol cements contributed to the antibacterial activity, and they acted synergistically. Zine oxide-eugenol was the strongest overall, followd by Cavit, IRM, Super-EBA, and amalgam. Zinc oxide-eugenol's antimicrobial action was superior to the otehr four materials, none of which showed any statistical difference in strength. Streptococcus faecalis was the most resistant bacteria. None of the five materials, either fresh or aged, showed any antibacterial effect when exposed to it. |
本系統中英文摘要資訊取自各篇刊載內容。