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Inequalities in negative maternal perception of oral health among Brazilian children: findings from the 2023 National Oral Health Survey (SB Brasil 2023).

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Oral Health Outcomes and Their Sociodemographic and Service Utilisation Determinants in a Rural Population.

Mariana Silveira Echeverria1, Rafaela do Carmo Borges1, Sarah Arangurem Karam1

  • 1Programa de Pós-graduação em Epidemiologia, Faculdade de Medicina, Universidade Federal de Pelotas, Pelotas, Brazil.

Community Dentistry and Oral Epidemiology
|September 26, 2025
PubMed
Summary

This study found that rural adults with lower education and income had fewer teeth and more prostheses. Improved access to dental services is crucial for better oral health in these populations.

Keywords:
dental prosthesishealth disparitiesoral healthrural populationsociodemographic factorstooth loss

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Area of Science:

  • Public Health
  • Dental Epidemiology
  • Rural Health

Background:

  • Oral health disparities persist in rural populations.
  • Sociodemographic factors significantly influence oral health outcomes.
  • Access to dental services is often limited in rural settings.

Purpose of the Study:

  • To evaluate remaining teeth, prosthesis use, and oral health self-perception in a rural Brazilian population.
  • To analyze associations between oral health indicators and sociodemographic variables.
  • To investigate the impact of dental service utilization on oral health outcomes.

Main Methods:

  • Cross-sectional population-based study in rural Pelotas, Brazil.
  • Systematic two-stage sampling of adults aged 18+.
  • Data analysis using Poisson and ordinal logistic regression.

Main Results:

  • Lower remaining teeth and higher prosthesis use observed in elderly women and the richest income quintile.
  • Higher education and recent dental service use correlated with more remaining teeth.
  • Worse self-perception of oral health linked to males, age 40-59, and curative dental visits.

Conclusions:

  • Targeted interventions are needed to reduce oral health disparities in rural areas.
  • Preventive measures and equitable access to dental care are essential.
  • Strategies to improve access and reduce financial barriers can enhance rural oral health.