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題 名 | 雙氯苯雙胍己烷對人類口腔纖維母細胞之影響 |
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作 者 | 黃正芬; 陳慶長; | 書刊名 | 技術學刊 |
卷 期 | 10:4 1995.12[民84.12] |
頁 次 | 頁507-513 |
分類號 | 418.28 |
關鍵詞 | 雙氯苯雙胍己烷; 纖維母細胞; 傷口癒合; Chlorhexidine; Fibroblast; Wound healing; |
語 文 | 中文(Chinese) |
中文摘要 | 本研究以細胞培養技術,探討雙氯萃雙孤己烷 (CHX) 對口腔頰粘膜、牙顱以及牙周韌帶等纖維母細胞生長之影響。研究方法分別以濃度為0.002%、0.02%、0.2%等三種CHX溶液以及一種市售含有CHX成份之漱口藥水作用於細胞60秒之後,於第二、四、六、八天分別湖量細胞存活率與細胞增殖情形,同時在藥物作用後第四天測量DNA合成現象。結果顯示:(1) 口腔頰粘膜、牙齦區以及牙周韌帶等纖維母細胞之形態相似,且三種細胞對CHX之反應形式相近。(2) 當CHX濃度為0.002%時,具有輕微之細胞毒性,細胞增殖與DNA合成均明顯變差。(3) 當CHX濃度為0.02%和0.2%時,細胞明顯脫落、死亡,而殘存之細胞僅維持在極低的生長狀態。因此本研究得以下結論:就體外實驗而言,CHX對口腔纖維母細胞具有脅性,而且細胞毒性隨CHX濃度增加而增加。 |
英文摘要 | The purpose of this investigation was to evaluate the effects of chlorhexidine on cultures of fibroblasts from human normal buccal mucosa, gingiva, and periodontal ligament. Cells of the experimental groups were exposed for 60 seconds to 0.002%, 0.02% and 0.2% chlorhexidine and a chlorhexidine-containing commercia1l mouth-rinse. Control cells were exposed to normal saline. The cell viability and cell proliferation were determined on the 2, 4, 6 and 8 days following drug treatment, while DNA synthesis was measured on the 4th day after chlorhexidine treatments. The results were summarized as follows: (1) There was no difference in cellular morphology of fibroblasts from the buccal mucosa, gingival tissues and periodontalligament. The patterns of cellular response to chlorhexidine were similar among the three different sources of oral fibroblasts. (2) At a concentration of 0.002%, chlorhexidine acted as a mild cytotoxic effect which re sulted in an obvious decline of the cell proliferation and DNA synthesis. (3) Chlorhexidine at 0.02% and 0.2% caused the loss of cells from the dishes. The residual cells failed to show any signs of recovery. In conclusion, such findings suggested that chlorhexidine has a distinct dose-dependent cytotoxic effect on human oral fibroblasts in vitro. |
本系統中英文摘要資訊取自各篇刊載內容。