Malocclusion in Brazilian Schoolchildren: High Prevalence and Low Impact
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Data
2018
Tipo de documento
Artigo de Periodico
Título da Revista
ISSN da Revista
Título de Volume
Área do conhecimento
Ciências da Saúde
Modalidade de acesso
Acesso aberto
Editora
Autores
Traebert, Eliane
Martins, Luiz Gustavo Teixeira
Pereira, Keila Cristina Rausch
Costa, Simone Xavier Silva
Lunardelli, Sandra Espíndola
Lunardelli, Abelardo Nunes
Traebert, Jefferson
Orientador
Coorientador
Resumo
Purpose: To estimate the prevalence and severity of malocclusion and test a possible association with negative
impacts on quality of life of schoolchildren in Tubarão, Brazil.
Materials and Methods: A cross-sectional study was conducted on a representative sample (n = 389) of schoolchildren.
Data on oral health-related quality of life were obtained through the Oral Impacts on Daily Performance
(OIDP) scale. The malocclusion indicator was the Dental Aesthetic Index (DAI). Prevalence ratios were estimated
using log-linear Poisson regression with a robust estimator.
Results: The prevalence of class II, III, and IV malocclusion was 57.3%. The most common dental condition was
overjet greater than 3 mm. Girls and older schoolchildren showed statistically significantly higher prevalence of all
classes of malocclusion. There were no statistically significant associations between the most frequent malocclusions
and dimensions of the impact indicator, except for the presence of overjet greater than 3 mm that was associated
the ‘cleaning teeth’ dimension.
Conclusion: The prevalence of malocclusion was high, but was not statistically significantly associated with impact
on oral health-related quality of life.
Palavras-chave
Epidemiology, Impact, Malocclusion, Oral health