#Japan #Tokyo #Lotte #eating habits #Oral Dysfunction

New Research on Oral Function in Children

A recent study conducted in collaboration with Tokyo Science University has uncovered intriguing insights into children's eating habits and oral health. Approximately 22.8% of children aged 5 to 7 show signs of Oral Dysfunction, a condition that has been increasingly identified in recent years. The findings shed light on the relationship between dietary preferences, particularly for harder foods, and the development of oral function in children.

Study Overview

In recent times, a notable increase in children who struggle with chewing hard foods has been observed. Symptoms such as mouth breathing and poor dental alignment have become more common, leading to the identification of Oral Dysfunction as a distinct medical condition since 2018. Previous studies have linked oral underdevelopment in children to issues like obesity, yet the actual incidence rate of this condition had not been thoroughly examined until now.

The aim of this research was to investigate the prevalence of Oral Dysfunction among young children and analyze its relationship with dietary preferences. The study involved a cross-sectional analysis of 92 children aged 5 to 7, who underwent assessments of their oral function and dietary habits through self-reported questionnaires.

Methodology

The children participating in the study were evaluated for their oral functionalities and eating preferences. Alongside these assessments, researchers also analyzed the children’s dietary intake, providing a comprehensive understanding of the connection between oral health and nutrition. The sample size of 92 allowed for significant insights into the oral health landscape among this age group in modern Japan.

Key Findings

Out of the 92 children studied, 21 children (22.8%) exhibited characteristics of Oral Dysfunction. Furthermore, the study highlighted a stark contrast in nutritional intake between children with Oral Dysfunction and those without it, indicating that the former group had poorer nutritional statuses. Most importantly, children who preferred firmer, harder foods demonstrated a significantly lower prevalence of Oral Dysfunction compared to their counterparts who preferred softer foods.

These results underline the crucial relationship between oral function development and dietary choices, signaling the need for nutritional guidance focusing on the importance of food textures in promoting healthy oral growth among children.

Recommendations

The findings emphasize that for healthy growth, children's development must encompass both physical development and the healthy maturation of oral functions. Practitioners, educators, and parents alike are encouraged to monitor and promote suitable eating habits as a preventative measure against Oral Dysfunction. This study serves as a pivotal reminder to include dietary considerations in health assessments for children.

Expert Comments

Yohei Hama, a lecturer at Tokyo Science University, points out that the relationship between oral function and overall health has gained increased attention in recent years. Notably, maintaining proper oral function in childhood is essential for ensuring health in adulthood and older age. The study reveals that a quarter of children may suffer from underdeveloped oral function, urging a call to action to focus on children's dietary practices and offer supportive educational resources.

In conclusion, enhancing children’s chewing habits through a well-balanced diet rich in firm foods could not only improve their oral health but also significantly contribute to their overall development. Lotte Corporation is actively involved in research related to chewing, emphasizing the importance of this often-overlooked aspect of children's health.

Further Reading

For more information about the study and Lotte's commitment to promoting healthy chewing habits, please visit the Lotte Chewing Research Lab.

References

• - Journal of Oral Rehabilitation (2026) - The study was published under the title "Evaluation of Oral Function Development and Eating Habits in Children Aged 5–7 Years."
• - Authors: Jun Kawamura, Noritaka Suganuma, Teppei Shintani, among others from Tokyo Science University.