Fluorine quantitative measurement in macro area of the tooth using nuclear reaction

利用核反应对牙齿宏观区域进行氟定量测量

• 批准号: 20592224
• 负责人: YAMAMOTO Hiroko
• 金额: $ 3万
• 依托单位: Osaka University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 2008
• 资助国家: 日本
• 起止时间: 2008 至 2010
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-20592224/
• 关键词: フッ素; PIGE; 定量測定法; 歯質; 虫歯; フッ素定量測定; う蝕歯質; 再石灰化; フッ素徐放性歯科材料; う蝕; 核反応; 抗う蝕作用; フッ素含有歯科材料

We have developed a new method of quantitative measurement of fluorine in micro area of the tooth by using the nuclear reaction, for the clarification of a quantitative relation between fluorine and carious prevention. Next, we have developed a new method of quantitative measurement of fluorine in macro area of the tooth. By using this method (In-air micro-PIGE and micro-PIXE measurement system), the fluorine distribution all around the cavity was able to be measured for the first time though this area had not been able to be measured by earlier methods. And then the fluorine distribution in the tooth and in the thin layer of material was able to be measured quantitatively at the same time. In addition, it has been shown that the measurement of the fluorine distribution in the carious teeth was also possible. This system may provide future methodologies to clarify the effects of F distribution in the caries process.

我们开发了一种利用核反应定量测量牙齿微小区域氟的新方法，以阐明氟与防龋之间的定量关系。接下来，我们开发了一种定量测量牙齿宏观区域氟的新方法。通过使用这种方法（空中微型PIGE和微型PIXE测量系统），首次能够测量空腔周围的氟分布，尽管该区域无法通过早期方法测量。然后可以同时定量测量牙齿中和薄层材料中的氟分布。此外，还表明还可以测量龋齿中的氟分布。该系统可能会提供未来的方法来阐明 F 分布在龋齿过程中的影响。

项目成果

う蝕病巣に対する客観的診断法の確立と病巣活動性の評価

龋病客观诊断方法的建立及病灶活动性评价

• 发表时间: 2010
• 期刊: 日本保存学会誌
• 作者: Kumagai K;Suzuki R;et al.;岩見行晃
• 通讯作者: 岩見行晃

Development of a System for Measuring Fluoride Distribution in Teeth Using a Nuclear Reaction

开发利用核反应测量牙齿中氟化物分布的系统

• 发表时间: 2009
• 期刊: IJPIXE 19
• 作者: Yamamoto H;Iwami Y;Ebisu S;Nomachi M;Yasuda K;Sakai T;Kamiya T
• 通讯作者: Kamiya T

Present Status of the In-air Microbeam System at the Wakasa Wan Energy Researchi Center

若狭湾能源研究中心空气微束系统的现状

• 发表时间: 2010
• 作者: Yasuda K;Nomachi M;Sugaya Y;Yamamoto H;Komatsu H
• 通讯作者: Komatsu H

核反応法による歯質中のフッ素分布測定 (VIII)

核反应法测定牙体中氟的分布（八）

• 发表时间: 2009
• 作者: 小松久憲;ら
• 通讯作者: ら

核反応によるう蝕歯中のフッ素濃度分布の測定

核反应测量龋齿中氟化物浓度分布

• 发表时间: 2009
• 作者: 小松久憲;山本洋子;奥山克史;小島健太郎;木地村大基;佐野英彦
• 通讯作者: 佐野英彦