幼児の咀嚼回数に関する研究
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概要
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保育園において幼児の給食摂取状況を観察し，幼児の摂食における咀嚼回数，咀嚼時間に関する特徴を検討した。保育園の4歳児3名を対象とし，異なる献立4回分の摂食状況をビデオに撮影し，咀嚼回数を計測した。対照として，成人3名に幼児と同じ献立の1回の給食を摂取してもらい，同様に咀嚼回数を計測した。幼児の咀嚼回数は，480～1379回で，献立ごとの3名の平均咀嚼回数は，分散分析の結果いずれの献立においても有意差は認められなかったが，個人によって咀嚼回数に違いが認められた。また，幼児と成人の咀嚼回数を比較すると，幼児の平均咀嚼回数は1117.7回，成人の平均咀嚼回数は561.7回で，幼児の咀嚼回数は成人の約2倍であった。同一食品において，一口ごとの咀嚼回数について変動係数を求めたところ，幼児では変動係数の値が成人に比べて大きく，一口ごとの咀嚼回数にばらつきが認められた。n order to characterize the eating style of preschool children， the number of chews and the period of the chewing of four different kinds of provided lunch were measured in this study． The eating style of three healthy preschool children aged four years was recorded on videotape while eating lunches with four different menus． Each lunch menu for all subjects was arranged in the same content and same weight． As a control， the eating style of three healthy adult volunteers with the mean age of 30 years was recorded and analyzed by the same method as for the children． The total numbers of the chews of the in children with each lunch ranged from 480 to 1379， showing that there were no significant differences among the four lunches， although there were significant differences among the 3 children． The average number of the chews of the preschool children was approximately two times that of the adults， showing that a significant difference between the group of preschool children and adults． Furthermore， the values of the coefficient of variation on the number of chews of one-mouthful foods in each preschool child were higher than that of each adult， indicating that the number of chews of one-mouthful food of preschool children exhibited more diversification than that of adults．
- 日本小児歯科学会の論文
- 2003-00-00
日本小児歯科学会 | 論文
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