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KMID : 0358920150420030233
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Journal of the Korean Academy of Pedodontics
2015 Volume.42 No. 3 p.233 ~ p.241
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Bite Force and Lip Closing Force Measurement in Preschool Children
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조나영:Cho Na-Young
김형운:Kim Hyeong-Un/김재곤:Kim Jae-Gon/백병주:Baik Byeong-Ju/양연미:Yang Yeon-Mi
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Abstract
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The aim of this study was to determine the bite force and lip closing force in preschool children and to analyze the correlation between these forces by age, height and weight, respectively.
Data were obtained from 98 children (56 males, 42 females) ranging from 3 to 6 years of age. The magnitude of the bite force was measured bilaterally corresponding with the 2nd primary molars using a bite force gauge, GM10® (Nagano Keiki) and the force of lip closure was measured using LIP DE CUM® (Cosmo Instruments).
The averages of bite force for boys and girls were 217.69 N and 205.05 N, respectively. The relationship between bite force with age, height, and weight present significant positive correlation (p < 0.001, p < 0.001, and p < 0.001, respectively).
The averages of lip closing force for boys and girls were 4.81 N and 4.07 N respectively. The relationship between lip closing force with age, height, and weight present significant positive correlation (p < 0.001, p < 0.001, and p < 0.001, respectively).
No significant differences were observed between boys and girls (p > 0.05) in both forces.
A significant correlation was observed between lip closing force and bite force (p = 0.002).
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KEYWORD
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Bite force, Lip closing force, Preschool children
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