Association between anterior open bite and pacifier sucking habit in schoolchildren in a city of southern Brazil

Claudiane TIBOLLA, Lilian RIGO, Lincoln Issamu NOJIMA, Anamaria ESTACIA, Eduardo Gianoni FRIZZO, Leodinei LODI

Objective: The objective of this study was to verify from a school-based epidemiological survey, the prevalence of anterior open bite, analyzing the influence of pacifier habit in the school. Methods: The first step was a questionnaire for the parents, and later clinical examinations in 237 school children, 3-14 years old, in the city of Santo Expedito do Sul/RS, Brazil. Results: The population gender distribution was 50.3% boys and 49.4% girls with a mean age of 8.63 years, and 16% had primary dentition, 50.2% mixed dentition and 33.8 % permanent dentition. There was a 22.8% prevalence of anterior open bite, obtaining a significant association between anterior open bite and the pacifier sucking habit on the three dentitions. Conclusion: The duration and frequency of the habit were strongly associated with anterior open bite malocclusion in the deciduous and mixed dentitions.

Keywords: Malocclusion. Prevalence. Open bite.

How to cite: Tibolla C, Rigo L, Nojima LI, Estacia A, Frizzo EG, Lodi L. Association between anterior open bite and pacifier sucking habit in schoolchildren in a city of southern Brazil. Dental Press J Orthod. 2012 Nov-Dec;17(6):89-96.

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