Cu^<2+>/H_2O_2を利用した根管洗浄の基礎的研究 : 硝子状構造物の色素浸透阻止効果  [in Japanese] Basic study on root canal irrigation using Cu^<2+>/H_2O_2 mixed solution : Prevention effect of dye penetration by hyaloid structure  [in Japanese]

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Author(s)

    • 小塚 昌宏 KOZUKA Masahiro
    • 日本大学松戸歯学部歯内療法学講座 Department of Endodontics, Nihon University School of Dentistry at Matsudo
    • 三浦 浩 MIURA Hiroshi
    • 日本大学松戸歯学部歯内療法学講座 Department of Endodontics, Nihon University School of Dentistry at Matsudo
    • 川本 幸司 KAWAMOTO Kohji
    • 日本大学松戸歯学部歯内療法学講座 Department of Endodontics, Nihon University School of Dentistry at Matsudo
    • 上田 幾大 UEDA Ikuo
    • 日本大学松戸歯学部歯内療法学講座 Department of Endodontics, Nihon University School of Dentistry at Matsudo

Abstract

<p><b>Abstract : </b>In the previous study, we reported that the hyaloid structure was formed on the smear layer which irrigated by Cu<sup>2+</sup>/H<sub>2</sub>O<sub>2</sub> mixed solution. However clinical meaning of the hyaroid structure has not been clarified yet. In this study, we performed the dye penetration test on the root dentin with the formed hyaroid structure. Dye penetrated to 0.92±0.34 mm in the without smear group, and 0.46±0.24 mm in the smear layer group. When the smear layer was irrigated by 1 mM CuCl<sub>2</sub> solution for 1 min, 3 min and 5 min, the dye penetrated to 0.27±0.11 mm, 0.29±0.08 mm and 0.33±0.21 mm, respectively. Also, when the smear layer was irrigated by 1 mM CuCl<sub>2</sub> and 1 M H<sub>2</sub>O<sub>2</sub> mixed solution for 1 min, 3 min and 5 min, the dye penetrated to 0.11±0.05 mm, 0.15±0.07 mm and 0.16±0.12 mm, respectively. There was significant difference between the without smear layer group and the smear layer group. There was no significant difference for the irrigation time in 1 mM CuCl<sub>2</sub> solution or 1 mM CuCl<sub>2</sub> and 1 M H<sub>2</sub>O<sub>2</sub> mixed solution. However, there was no significant difference between the smear layer group and the irrigated by 1 mM CuCl<sub>2</sub> solution for 5 min, and between the irrigated by 1 mM CuCl<sub>2</sub> solution for 1 min and the irrigated by 1 mM CuCl<sub>2</sub> and 1 M H<sub>2</sub>O<sub>2</sub> mixed solution for 3 min. It is suggested that 1 to 3 min irrigation by 1 mM CuCl<sub>2</sub> and 1 M H<sub>2</sub>O<sub>2</sub> mixed solution is the most effective agent for preventing dye penetration.</p>

Journal

  • The Journal of Japan Endodontic Association

    The Journal of Japan Endodontic Association 21(1), 12-16, 2000-06-25

    Japan Endodontic Association

References:  13

Cited by:  2

Codes

  • NII Article ID (NAID)
    10008152604
  • NII NACSIS-CAT ID (NCID)
    AN10443184
  • Text Lang
    JPN
  • Article Type
    Journal Article
  • ISSN
    13406248
  • Data Source
    CJP  CJPref  J-STAGE 
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