Journal of Korean society of Dental Hygiene (한국치위생학회지)

Korean Society of Dental Hygiene (한국치위생학회)
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Association between breastfeeding and early childhood caries: analysis of National Health Insurance Corporation's oral examination data for infants and toddlers

모유수유와 유아기 우식증과의 관련성: 국민건강보험공단 영유아 구강검진 자료 분석

  • Choi, Yoon-Young (Artificial Intelligence Big Data Medical Center, Yonsei University Wonju College)
  • 최윤영 (연세대학교 원주의과대학 인공지능빅데이터의학센터)
  • Received : 2021.02.19
  • Accepted : 2021.04.09
  • Published : 2021.04.30
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Abstract

Objectives: The aim of this study was to investigate the effect of breastfeeding on the occurrence of early childhood caries in Korean infants and toddlers. Methods: Data on oral examinations of infants and toddlers of the National Health Insurance Service were analyzed. The study subjects were children who participated in both the first, second, and third oral examinations and the first general health examination in 2008-2017 (n=142,185). Based on the responses to the questionnaire, the subjects were classified into breastfeeding, formula feeding, and mixed feeding groups. The participants were monitored for the development of early childhood caries in three sequential oral examinations. Results: Based on the oral examination results conducted at 54-65 months old, the decayed-filled teeth index of the breastfeeding group was the highest (2.03±3.08), followed by the mixed (1.96±3.03) and the formula feeding groups (1.82±2.91). The Cox proportional hazard regression model including all the variables showed that the risk of developing dental caries was significantly lower in the formula (hazard ratio [HR], 0.85) and mixed feeding groups (HR, 0.91) than in the breastfeeding group. Conclusions: Breastfeeding children have a higher risk of early childhood caries; therefore, oral hygiene education and regular dental check-ups are necessary.

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References

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