沖なわ県西表島西部地区住民の口こう衛生状態について

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  • Oral State of Inhabitants in Western Areas of Iriomote Island (Okinawa Prefecture)
  • オキナワケン イリオモテジマ セイブ チク ジュウミン ノ コウコウ エイセイ

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We were asked to offer dental treatment about 951 population in western areas of Iriomote Island in 1980. Dental survey on 177 schoolchildren and 87 adults were carried out during the time.<BR>The results of dental survey were summarised as follows:<BR>1) Compared with the mean values of schoolchildren of the Japanese, the caries prevalence rate of 177 schoolchildren in this area was much higher (89.3 per cent) .<BR>2) DMF teeth per child of Iriomote Island showed higher value (4.83) than those of the all Japanese schoolchildren. D teeth per child were higher (3.02), but F teeth per child were marke-dly lower (1.54) .<BR>3) Restrative rate of carious permanent teeth of schoolchildren in Iriomote Island was much lower (31.9) .<BR>4) Rates of children of first and third grades of the midlde school having one or more caries teeth among the anterior teeth were 65.0 per cent, 70.0 per cent, respectively, and they were much higher, compared with Tani's report.<BR>5) Compared with the mean values of high school students in Tokyo, both plaque index and gingival index of inhabitants of Iriomote Island were significantly high. Both indices of the upper right firstmolar showed the highest values among 6/41 _??_ 14/6 teeth.<BR>6) The questionaire on the frequency of daily tooth brushing were made to them. Compared with the mean values of the all Japanese schoolchildren, the rate of schoolchildren, who were daily tooth brushing was about ten and twenty per cent lower in boys, in girls, respectively.<BR>7) Fluorine content with 7 samples of drinking water in the Island were determined. They were about 0.05 ppm F.

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