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| 題 名 | The Combined Occluding Effects of Fluoride-Containing Dentin Desensitizer and Nd-Yag Laser Irradiation on Human Dentinal Tubules: An in Vitro Study=合併加氟牙本質小管堵塞劑與釹雅克雷射照射對人類牙本質小管封閉效果之評估--體外實驗 |
|---|---|
| 作 者 | 許栢仁; 陳正慧; 莊富雄; 阮榮泰; | 書刊名 | The Kaohsiung Journal of Medical Sciences |
| 卷 期 | 22:1 民95.01 |
| 頁 次 | 頁24-29 |
| 分類號 | 416.9 |
| 關鍵詞 | 加氟牙本質小管堵塞劑; 釹雅克雷射; 牙本質知覺敏感症; Fluoridated dentinal tubule-occluding agent; FDTOA; Nd-YAG laser; Dentin hypersensitivity; |
| 語 文 | 英文(English) |
| 中文摘要 | 本研究的目的是要評估合併加氟牙本質小管堵塞劑與釹雅克雷射照射對人類牙本質小管封閉之效果。本研究主要包含六組(A 至 F 組)。所有的組別皆塗佈上加氟牙本質小管堵塞劑。B 組,D 組和 F 組合併加氟牙本質小管堵塞劑與釹雅克雷射照射處理。A和B組為控制組,主要觀察 Nd-YAG 雷射照射前後牙本質小管堵塞的情形。C 和 D 組以 0.5 M 維他命 C 水溶液處理,E 和 F 組以刷牙機做刷牙處理。在電子顯微鏡的觀察下,加氟牙本質小管堵塞劑會在牙本質表面形成一層細小結晶的沈澱物。加氟牙本質小管堵塞劑在浸泡 0.5 M 的維他命 C 水溶液 3 小時後,其結晶沈澱物會完全被酸蝕而溶解。此外,在刷牙 3600 次後,大部份的堵塞劑會被刷除。加氟牙本質小管堵塞劑合併釹雅克雷射的照射處理,可使牙本質表面形成熔融及再結晶,而堵塞劑會融入牙本質小管中,不會被維他命 C 水溶液溶解或被刷牙刷除。由以上的結果我們可以得到結論,加氟牙本質小管堵塞劑合併釹雅克雷射的照射處理,可使堵塞劑融入牙本質小管中,抵抗酸性飲食和刷牙對堵塞劑的破壞,達到更持久之去敏感效果。 |
| 英文摘要 | The purpose of the present study was to evaluate the combined occluding effects of fluoride-containing dentin desensitizer and neodymium:yttrium aluminum garnet (Nd-YAG) laser irradiation on human dentinal tubules. All six of the groups of dentin samples (A–F) included in this study received applications of fluoride-containing dentin desensitizer. Groups B, D, and F also received Nd-YAG laser irradiation. Groups A and B served as controls, to allow observations of the occluding effects on the dentinal tubules before and after Nd-YAG laser irradiation. Groups C and D were treated with 0.5 M vitamin C solution, whereas groups E and F underwent brushing with an electric toothbrush. Scanning electron microscopy (SEM) revealed that the fluoridated dentinal tubule-occluding agent (FDTOA) formed a fine crystalline deposit on the dentin surface. After soaking in 0.5 M vitamin C solution for 3 hours, the crystalline deposit of the FDTOA was completely dissolved. Furthermore, brushing of the teeth 3,600 times removed most of the occluding agent. When the application of FDTOA was combined with Nd-YAG laser irradiation, the dentin melted and then recrystallized. The occluding agent was thus ‘burned into’ the dentinal tubules, and could neither be dissolved by vitamin C solution nor removed by brushing. Therefore, we concluded that the FDTOA combined with Nd-YAG laser irradiation burns the occluding agent into the dentinal tubules, thereby resisting the effects of an acidic diet and brushing, and increasing the duration of the desensitizing effect. |
本系統中英文摘要資訊取自各篇刊載內容。