교정 진단을 위한 피개교합심도지수 (Overbite Depth Indicator,ODI)의 새로운 평가
A NEW APPROACH TO USE OVERBITE DEPTH INDICATOR IN ORTHODONTIC DIAGNOSIS
양원식, 장영일, 김태우,
소속 상세정보
양원식 ( Yang Won-Sik ) - 서울대학교 치과대학 치과교정학교실
장영일 ( Chang Yong-Il ) - 서울대학교 치과대학 치과교정학교실
김태우 ( Kim Tae-Woo ) - 서울대학교 치과대학 치과교정학교실
KMID : 0361919920220010017
Abstract
Since 1984, many patients have been treated with Multiloop Edgewise Archwire(MEAW) Technique and diagnosed with ODI(Overbite Depth Indicator) and APDI(Anteroposterior Dysplasia Indicator) by the authors. 234 samples of them were selected randomly for the statistical analysis(age, sex, Angle’s classification, treatment period,, extraction, ODI etc.). Especially, ODI was analysed statistically and its application methods were reviewed. The results ad conclusions were as follows: 1.On the 150 patients with normal overbite, the mean values of Class Ⅰ,Ⅱ,Ⅲ malocclusion were 67.5。, 72.2。 and 59.0。. They were significantly different on the level of p<0.01. 2.In normal overbite samples, ODI decreased with the increase of APDI and the correlation coefficient was - 0.54.It seems that this result reflects the characteristics of AB to mandibular plane angle. 3.The regression equation was Y=-0.57X+114.64, where X is APDI and Y is ODI. In cases of small or large APDI, it seems to be absurd that the patient’s ODI is compared with the mean ODI to differentiate diagnostically the open bite or deep bite tendency from the normal.
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