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2 definitions found

From: DICT.TW English-Chinese Medical Dictionary 英漢醫學字典

 alveolar index 名詞
 牙槽指數

From: Webster's Revised Unabridged Dictionary (1913)

 Gnath·ic a.  Anat. Of or pertaining to the jaw.
 Gnathic index, in a skull, the ratio of the distance from the middle of the nasofrontal suture to the basion (taken equal to 100), to the distance from the basion to the middle of the front edge of the upper jaw; -- called also alveolar index.
    Skulls with the gnathic index below 98 are orthognathous, from 98 to 103 mesognathous, and above 103 are prognathous.   --Flower.
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