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- Title
Epidemiologic Study of Molar-incisor Hypomineralization in Schoolchildren in North-eastern Brazil.
- Authors
de Deus Moura de Lima, Marina; Barroso Andrade, Maria Janaína; Dantas-Neta, Neusa Barros; Silva Andrade, Natália; Barbosa Teixeira, Rafael José Pio; Silva de Moura, Marcoeli; de Fátima Almeida de Deus Moura, Lúcia; de Lima, Marina de Deus Moura; Andrade, Maria Janaína Barroso; Andrade, Natália Silva; Teixeira, Rafael José Pio Barbosa; de Moura, Marcoeli Silva; de Deus Moura, Lúcia de Fátima Almeida
- Abstract
<bold>Purpose: </bold>To determine the prevalence of molar-incisor hypomineralization (MIH) in children and possible factors associated with this disorder.<bold>Methods: </bold>This was a cross-sectional observational study of 594 11- to 14-year-olds from Teresina, Piauí, Brazil. The diagnosis of MIH was made based on criteria set by the European Academy of Pediatric Dentistry. To investigate possible associated factors, mothers completed a questionnaire. A descriptive analysis of the data, chi-square, Mann-Whitney, and Fisher tests and Poisson regression (PR) were performed.<bold>Results: </bold>The prevalence of MIH was 18.4 percent (95 percent confidence interval [CI] equals 15.20 to 21.50). The maxillary molars were the teeth most affected by MIH (36.1 percent). MIH patients showed a higher number of mean DMF-T (PR equals 2.18; 95 percent CI equals 1.46 to 2.85) than those not affected by the condition. There was an association between MIH and preterm birth (PR equals 1.76; 95 percent CI equals 1.22 to 2.12) and between MIH and respiratory distress at birth (PR equals 1.83; 95 percent CI equals 1.25 to 2.18).<bold>Conclusions: </bold>The prevalence of MIH in schoolchildren was 18.4 percent. Those with MIH had a greater mean DMF-T than those without MIH. Preterm birth and respiratory distress were associated with MIH.
- Subjects
BRAZIL; TOOTH demineralization; DISEASE prevalence; SCHOOL children's dental care; MOLARS; INCISORS; DESCRIPTIVE statistics; RESPIRATORY distress syndrome; PREMATURE infants; COMPARATIVE studies; RESEARCH methodology; MEDICAL cooperation; RESEARCH; TEETH abnormalities; EVALUATION research; CROSS-sectional method
- Publication
Pediatric Dentistry, 2015, Vol 37, Issue 7, p513
- ISSN
0164-1263
- Publication type
journal article