上顎中切齒 齒間離開症에 關한 硏究(I)
A Study On The Maxillary Median Diastema(Ⅰ)
소속 상세정보
한세현(韓世鉉)/Se Hyun Han
KMID : 0358919820090010019
Abstract
'H', 'K' 國民學校의 7∼13歲 兒童 2,021(男 : 1,037, 女 : 984)을 對象으로 上顎中切齒 齒
間離開症을 調査하여 다음과 같은 結論을 얻었다.
1. 上顎中切齒 齒間離開症의 發生頻度는 14.0%였고, 男子 14.95%. 女子 13.01%로 男子가 높
았다.
2. 8 歲에서 上顎中切齒 齒間離開症이 最高率(男 : 8.46%, 女 : 31.51%)을 보였고 年齡의 增
加에 따라 減少하는 傾向을 나타내었다.
3. 正中齒의 出現率은 0.64%였고, 男女가 女子보다 높았다.
4. 齒間離開度의 平均은 男子 1.9mm, 女子 1.6mm였고, frenum距離 平均은 男子 5.1mm, 女
子 4.9mm였다.
#초록#
The author surveyed on the maxillary median diastema of 2021 (male; 1037, female;
984) 'H' and 'K' primary school children aged from 7 to 13. The results were as
follows;
1. The prevalence of the maxillary median diastema was 14.95% in male,13.01% in
female and 14.0% in both sexes.
2. The prevalence of the maxillary median diastema showed the highest rate in 8 years
old children (male : 28.46%, female ; 31.51%) and it showed decreasing tendency
according to increasing age.
3, The prevalence of mesiodens was 0.64% and boys had higher rate than girls.
4. Mean value of 'Divergent degree' was 1.9mm in male,1.6mm in female and mean
value of 'Frenum distance' was 5.1mm in male,4.9mm in female.
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