A BIOMETRIC STUDY ON THE CORRELATION BETWEEN THE CRANIO-FACIAL TYPES AND THE DENTAL ARCH TYPES

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  • 生体に於ける頭部顔面と歯列弓の計測学的比較研究
  • セイタイ ニ オケル トウブ ガンメン ト シレツ ユミ ノ ケイソクガクテキ ヒカク ケンキュウ

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Abstract

The cranio-facial morphology of 282 male young adults was studied in relation to the dental arch types which were concurrently measured on the plaster models taken from the same subjects, and the possible correlation between these two values was discussed. 1) The most frequent found of the cranio-facial types wes the brachymorphic type in term of the morphologi cal classification of facial index, the ovoid or round type in term of the authors diagrams based on his measurement. 2) In the measurement of dental arch, the angle BDB' and the value of ratio AE : AC were calculated and the correlation between these values were studied. The result obtained seems to demonstrate clearly the morphological characteristics of the dental arch as shown in Fig. 7 and in Table 6. 3) No clear conclusion has been reached as to the correlation between the cranio-facial and dental arch morphologies.

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