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Bite Force and Lip Closing Force Measurement in Preschool Children

조나영 1 김형운 1 KIM JAE GON 2 Byeong Ju Baik 2 Yang Yeon Mi 2

1전북대학교 치의학전문대학원 소아치과학교실 및 구강생체과학연구소
2전북대학교

Accredited

ABSTRACT

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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