アバットメントの締め付けトルクがスクリュー部の破折に及ぼす影響 The Influence of Tightening Strength of Abutment on Crack Occurred on Its Screw

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著者

    • 浅賀 寛 ASAKA Hiroshi
    • 日本大学松戸歯学部総合歯科診療学講座 Department of Comprehensive Dentistry, Nihon University School of Dentistry at Matsudo
    • 福本 雅彦 FUKUMOTO Masahiko
    • 日本大学松戸歯学部総合歯科診療学講座 Department of Comprehensive Dentistry, Nihon University School of Dentistry at Matsudo
    • 山本 正文 YAMAMOTO Masafumi
    • 日本大学松戸歯学部総合歯科診療学講座 Department of Comprehensive Dentistry, Nihon University School of Dentistry at Matsudo
    • 早川 徹 HAYAKAWA Tohru
    • 日本大学松戸歯学部歯科理工学教室 Department of Dental Materials, Nihon University School of Dentistry at Matsudo
    • 牧村 正治 MAKIMURA Masaharu
    • 日本大学松戸歯学部総合歯科診療学講座 Department of Comprehensive Dentistry, Nihon University School of Dentistry at Matsudo
    • 和田 守康 WADA Moriyasu
    • 日本大学松戸歯学部総合歯科診療学講座 Department of Comprehensive Dentistry, Nihon University School of Dentistry at Matsudo
    • 大竹 繁雄 OTAKE Shigeo
    • 日本大学松戸歯学部総合歯科診療学講座 Department of Comprehensive Dentistry, Nihon University School of Dentistry at Matsudo

抄録

The present study assessed the influence of tightening strength of abutment on the occurrence of cracking on the screw part of abutment. When the abutment (Platon Japan) was tightened at 15 N in a titanium implant (Platon Japan) inclined vertically by 50 degrees, the maximum load at which cracking occurred in the screw of abutment was 434.42.9 N (n=5). On the other hand, the maximum loads of the screw part of abutment, which inclined by 14 degrees and 12 degrees, were 1,624.0100.0 N and 2,288.959.8 N, respectively. When the abutment was tightened at 30 N in an implant inclined vertically by 50 degrees, the maximum load at which cracking occurred in the screw part of abutment was 424.613.7 N (n=5). On the other hand, the maximum loads of the screw part of abutment, which inclined by 14 degrees and 12 degrees, were 1,548.554.9 N and 2,315.451.0 N, respectively. There was no statistical significance between the results obtained from tightening of 15 N and 30 N. These results suggest that the Platon titanium implant and abutment possess sufficient mechanical strength when tightened at a minimum of 15 N, and thus provide favorable clinical results.

収録刊行物

  • 日本口腔インプラント学会誌 = Journal of Japanese Society of Oral Implantology

    日本口腔インプラント学会誌 = Journal of Japanese Society of Oral Implantology 14(3), 1-5, 2001-09-30

    公益社団法人 日本口腔インプラント学会

参考文献:  22件中 1-22件 を表示

被引用文献:  1件中 1-1件 を表示

各種コード

  • NII論文ID(NAID)
    10008136783
  • NII書誌ID(NCID)
    AN10072606
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    09146695
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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