乳齒 齒根 吸收에 關한 硏究
STUDIES ON THE ROOT RESORPTION OF THE DECIDUOUS TEETH.
김진태,
소속 상세정보
김진태 ( ) - 서울대학교 치과대학 소아치과학교실
KMID : 0358919770040010019
Abstract
178 naturally exfoliated maxillary deciduous central -incisors, 149 deciduous lateral incisors of children at exfoliation stage were studied on the degree and the tendency of the root resorption, and the age of exfoliation of the deciduous central and lateral incisors.
The results were as follows ;
i. The root of maxillary deciduous central and lateral incisors tended to be resorbed disto-lingually.
2.. The age of exfoliation of maxillary deciduous central incisor was 7.27 year in. male, 7.01 year in female, and the age of exfoliation of maxillary deciduous lateral incisor was 8.22 year in male, 7.77 year in female.
3. The exfoliation age of maxillary deciduous central and lateral incisors was earlier in female than in male.
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