Author:

• Paula Cristina Pelli Paiva - Paiva, P.C.P. - Diamantina, MG - Universidade Federal de Minas Gerais, Belo Horizonte, Brasil. - <paulacpp@ig.com.br>

Co-author(s):

• Haroldo Neves Paiva - Paiva , Haroldo Neves - Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brazil. - <paulacpp@ig.com.br>
• Paulo Messias Oliveira Filho - Oliveira Filho, Paulo Messias - Universidade Federal dos Vales do Jequitinhonha e Mucuri, Diamantina, Brasil. - <paulacpp@ig.com.br>
• Maria Ilma de Souza Côrtes - Côrtes, Maria Ilma de Souza - Pontifícia Universidade Católica de Minas Gerais, Belo Horizonte - <paulacpp@ig.com.br>

Thematic Area:

Saúde da Criança e do Adolescente

Abstract:

Introduction: The aims of the present study were to determine the prevalence of
trauma in the permanent dentition of 12-year-old schoolchildren, assess associations
with demographic factors such as gender and socioeconomic status and clinical factors
overjet and lip coverage.
Methods: A transversal analysis was conducted using a representative sample of 641
students. Data were gathered by means of clinical examinations and self-administered
questionnaires. Descriptive analysis was performed, followed by the use of the chisquare
test and Poisson logistic regression model for the determination of significant
associations.
Results: The prevalence of traumatic dental injury was 34.9%. Falls constituted the
main etiological factor (49.7%), and occurred in the home (48.2%). The results of the
Poisson regression analysis revealed that accentuated overjet (> 5 mm) remained
associated with traumatic dental injury after controlling for the other variables [PR =
1.50 (95% CI: 1.41 to 1.61); p = 0.003].
Conclusion: Moreover a statistically significant association was found between
accentuated overjet and dental trauma. No significant associations were found between
TDI and socioeconomic status. The present findings underscore the need for prevention
strategies and orthodontic correction at the onset of the permanent dentition.

Keywords:

Dental Trauma, Scholchildren, Adolescents; Tooth Injuries; Oral

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