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Published on: February 2, 2020

Evaluation of Oral Function Development and Eating Habits in Children Aged 5-7 Years

Jun Kawamura1, Susumu Kanno1, Teppei Shintani1

  • 1Central Research Laboratory, Lotte Co., Ltd., Tokyo, Japan.

Journal of Oral Rehabilitation
|May 15, 2026
PubMed

Insights

Developmental insufficiency of oral function (DIOF) affects 23% of young children. A preference for hard foods is linked to a lower risk of DIOF, highlighting diet

Area of Science:

  • Pediatric Health
  • Oral Health
  • Developmental Pediatrics

Background:

  • Increasing prevalence of developmental insufficiency of oral function (DIOF) in children.
  • Negative impact of DIOF on child growth and development.
  • Limited research on the overall prevalence of DIOF.

Purpose of the Study:

  • Investigate the prevalence of DIOF in 5-7-year-old children.
  • Examine the relationship between DIOF and eating habits.
  • Identify factors influencing oral function development.

Main Methods:

  • Analysis of data from the Survey on All-Generation Masticatory Strength and Eating Habits.
  • Use of Chi-square tests to assess DIOF incidence and participant characteristics.
  • Logistic regression to explore links between eating habits, oral function, and DIOF.

Main Results:

  • 23% of the 92 children analyzed had DIOF.
  • A preference for hard foods was associated with a reduced likelihood of DIOF (aOR=0.636).
  • Frequency of hard food intake did not significantly influence DIOF incidence.

Conclusions:

  • Approximately one in four children in the study exhibited DIOF.
  • Preference for hard foods may be protective against DIOF, emphasizing dietary texture's role.
  • Further research, including oral and dietary education, is recommended due to the cross-sectional design.
Abstract

Keywords:
child developmenteating habitsfeeding and eating disorders of childhoodmasticationnutrition educationoral health

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