Shimada, Toshiro with Takahiro Kojima, Koichiro Okumura, Kinya Machida, Akira Uchino, "Number of Surviving Teeth for Japanese Age Groups", 1994

ua435

We have done research fore these 20 years on the model for dental diseases in Japan. We started from 2 sector of demography and dental caries, then added pyorrhea, baby teeth and technology sectors.

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Date created
  • 1994
Type
Processing Activity License

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System Dynamic Society Records

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