根面アタッチメント用Sm-Co磁石を用いた種々のマグネット系の吸引力

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タイトル別名
  • Attractive Forces of Sm-Co Magnet Systems for Stud Attachment

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説明

The magnetic characteristics of various magnetic systems utilizing a Sm-Co magnet were examined. The attractive force became significantly larger by pairing two magnets or housing the magnet with ferromagnetic yoke. As the gap between the magnet and keeper increased however, the attractive force was rapidly decreased, and when the gap exceeded 0.5mm, it became almost the same as those of the single magnet systems or unhoused magnets. Although the housing effect of the half-shallowed yoke was reduced by half when no gap existed, the attractive force with this yoke became larger than that of the full-size yoke when the gap was 0.2mm or more.<br>The magnetic systems composed of a pair of magnets or a magnet housed with the full-size yoke may be superior when the system components are closely arranged, while the use of the shallower yoke may be more favorable in retention and ease of clinical application, when a larger gap is inevitably introduced.

収録刊行物

  • Dental Materials Journal

    Dental Materials Journal 6 (2), 156-164,224, 1987

    一般社団法人　日本歯科理工学会

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