Statistical Analysis of Fabrication of Fixed and Removable Partial Dentures.

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  • Sato Takahiro
    Department of Prosthodontics II, Faculty of Dentistry, Tokyo Medical and Dental University
  • Ohno Shinichi
    Department of Prosthodontics II, Faculty of Dentistry, Tokyo Medical and Dental University
  • Okada Daizo
    Department of Prosthodontics II, Faculty of Dentistry, Tokyo Medical and Dental University
  • Kawawa Atsushi
    Department of Prosthodontics II, Faculty of Dentistry, Tokyo Medical and Dental University
  • Akiba Hiroyuki
    Department of Prosthodontics II, Faculty of Dentistry, Tokyo Medical and Dental University
  • Watanabe Yusuke
    Department of Prosthodontics II, Faculty of Dentistry, Tokyo Medical and Dental University
  • Endo Kaoru
    Department of Prosthodontics II, Faculty of Dentistry, Tokyo Medical and Dental University
  • Mayanagi Akihiro
    Department of Prosthodontics II, Faculty of Dentistry, Tokyo Medical and Dental University
  • Miura Hiroyuki
    Department of Prosthodontics II, Faculty of Dentistry, Tokyo Medical and Dental University
  • Hasegawa Shigeo
    Department of Dental Technology, Meirin College

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  • 各種修復物の製作状況に関する統計的調査　　ブリッジおよび有床義歯に関して

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Abstract

A statistical survey based on laboratory records was performed on the number of fixed and removablepartial dentures fabricated at the dental hospital of Tokyo Medical and Dental University from April 1 toSeptember 30, 1997. A comparison was also performed with a previous survey, which had been carried outin 1986, in order to detect any change and possible alterations in the near future.<BR>From the findings of this statistical survey, the conclusions were as follows:<BR>1. Atotal of 2, 478 fixed and removable partial dentures were fabricated during the six month period in 1997.<BR>2. The 3-unit fixed partial denture (bridge) was most common (63.1%) and the number of bridges decreased as the number of units increased.<BR>3. For the single missing tooth, a fixed bridge was more popular (81.0%) than a removable partial denture.<BR>4. For two missing teeth, there was no difference between the number of fixed bridges and removable partial dentures.<BR>5. The percentage of fixed and removable partial dentures, which were not covered by health insurance, decreased to a large extent in comparison with the survey in 1986.

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