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Association of breastfeeding and malocclusion in 5-year-old children: Multilevel approach

Patrícia Corrêa-Faria1, Mauro Henrique Nogueira Guimarães de Abreu2, Lidia Moraes Ribeiro Jordão1,3

  • 1Dentistry Graduate Program, Faculdade de Odontologia, Universidade Federal de Goiás, Goiânia, GO, Brazil.

International Journal of Paediatric Dentistry
|August 10, 2018
PubMed

Insights

Higher breastfeeding rates at 9-12 months in Brazilian cities were linked to lower rates of malocclusion in 5-year-old children. This highlights the importance of breastfeeding for dental health.

Area of Science:

  • Pediatric Dentistry
  • Public Health Nutrition
  • Epidemiology

Background:

  • Breastfeeding is crucial for child health, including proper dental occlusion development.
  • Limited large-scale epidemiological data exists on the breastfeeding-malocclusion association.

Purpose of the Study:

  • To examine the relationship between city-level breastfeeding rates and malocclusion prevalence in primary dentition at age 5.
  • Investigate the impact of breastfeeding duration on dental occlusion outcomes.

Main Methods:

  • Cross-sectional analysis of 5278 children aged 5 across 44 Brazilian towns.
  • Utilized data from national oral health and breastfeeding surveys (2010).
  • Multilevel Poisson regression analyses, controlling for sociodemographic confounders.

Main Results:

  • Overall malocclusion prevalence was 63.3%.
  • Cities with higher breastfeeding prevalence at 9-12 months showed lower malocclusion rates in 5-year-olds (PR 0.98; 95% CI 0.98-0.99).

Conclusions:

  • A higher proportion of breastfed children at 9-12 months is associated with reduced malocclusion prevalence at age 5.
  • This association persists independently of sociodemographic factors.
  • Encouraging breastfeeding in the first year is vital for promoting healthy dental development.
Abstract

Keywords:
breastfeedingchildmalocclusionmultilevel analysispreschool

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