接着ブリッジの脱落率からみた現状と課題 Present and Future Status of Resin-bonded Fixed Partial Denture with Respect to Their Failure Rate

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著者

    • 熱田 充 ATSUTA Mitsuru
    • 長崎大学歯学部歯科補綴学第一講座 Department of Fixed Prosthodontics, Nagasaki University School of Dentistry
    • 松村 英雄 MATSUMURA Hideo
    • 長崎大学歯学部歯科補綴学第一講座 Department of Fixed Prosthodontics, Nagasaki University School of Dentistry
    • 吉田 圭一 YOSHIDA Keiichi
    • 長崎大学歯学部歯科補綴学第一講座 Department of Fixed Prosthodontics, Nagasaki University School of Dentistry
    • 田上 直美 TANOUE Naomi
    • 長崎大学歯学部歯科補綴学第一講座 Department of Fixed Prosthodontics, Nagasaki University School of Dentistry
    • 井手 孝子 IDE Takako
    • 長崎大学歯学部歯科補綴学第一講座 Department of Fixed Prosthodontics, Nagasaki University School of Dentistry
    • 平 曜輔 TAIRA Yohsuke
    • 長崎大学歯学部歯科補綴学第一講座 Department of Fixed Prosthodontics, Nagasaki University School of Dentistry
    • 加藤 英材 KATO Hidetachi
    • 長崎大学歯学部歯科補綴学第一講座 Department of Fixed Prosthodontics, Nagasaki University School of Dentistry

抄録

This study was performed to evaluate the clinical performance of resin-bonded fixed partial dentures (FPDs) for various service periods. FPDs were divided into two groups: A, seated from 1982 to 1988 and B, seated from 1989 to 1996. The failure rate for each group was compared periodically, and the factors affecting the service period were considered. Group A consisted of 504 FPDs seated in 335 patients, whereas group B consisted of 331 FPDs in 275 patients.<BR>The follow-up rate was 51% for group A, and 61% for group B. The failure rates after the specific service period observed in group B were 5% for 0-2 years, 9% for 3-5 years, and 22% for 6-8 years. The total group B failure rate was 9%, which was only one-fourth that of group A.<BR>Two major factors were considered for improvement in the retentive rate of FPDs. One was decrease in original retainer design without retentive form. Specifically, the so-called Maryland retainer considerably reduced to less than 33%, while retainers with sufficient retentive structure such as proximal or incisal groove increased. The other factor was development of a new metal conditioner for noble metal alloys used in the majority of FPDs in group B.<BR>The remaining problem to be solved was undoubtedly improvement in the survival rate after a longer service period.

収録刊行物

  • 日本補綴歯科學會雜誌 = The journal of the Japan Prosthodontic Society

    日本補綴歯科學會雜誌 = The journal of the Japan Prosthodontic Society 41(6), 874-880, 1997-12-10

    Japan Prosthodontic Society

参考文献:  5件中 1-5件 を表示

被引用文献:  7件中 1-7件 を表示

各種コード

  • NII論文ID(NAID)
    10008167862
  • NII書誌ID(NCID)
    AN00197911
  • 本文言語コード
    JPN
  • 資料種別
    REV
  • ISSN
    03895386
  • データ提供元
    CJP書誌  CJP引用  J-STAGE 
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