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Epidemiologic Study of Molar-incisor Hypomineralization in Schoolchildren in North-eastern Brazil.
Pediatr Dent. 2015 Nov-Dec; 37(7):513-9.PD

Abstract

PURPOSE

To determine the prevalence of molar-incisor hypomineralization (MIH) in children and possible factors associated with this disorder.

METHODS

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.

RESULTS

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).

CONCLUSIONS

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.

Authors+Show Affiliations

Department of Pathology and Dentistry Clinic, School of Dentistry, Federal University of Piauí, Teresina, Piauí, Brazil. mdmlima@gmail.com.Private practice, Teresina, Piauí, Brazil.Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil.Private practice, Teresina, Piauí, Brazil.Department of Pathology and Dentistry Clinic, School of Dentistry, Federal University of Piau&iacute, Teresina, Piauí, Brazil.Department of Pathology and Dentistry Clinic, School of Dentistry, Federal University of Piauí, Teresina, Piauí, Brazil.Department of Pathology and Dentistry Clinic, School of Dentistry, Federal University of Piauí, Teresina, Piauí, Brazil.

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

26883608

Citation

de Lima, Marina de Deus Moura, et al. "Epidemiologic Study of Molar-incisor Hypomineralization in Schoolchildren in North-eastern Brazil." Pediatric Dentistry, vol. 37, no. 7, 2015, pp. 513-9.
de Lima Mde D, Andrade MJ, Dantas-Neta NB, et al. Epidemiologic Study of Molar-incisor Hypomineralization in Schoolchildren in North-eastern Brazil. Pediatr Dent. 2015;37(7):513-9.
de Lima, M. d. e. . D., Andrade, M. J., Dantas-Neta, N. B., Andrade, N. S., Teixeira, R. J., de Moura, M. S., & de Deus Moura, L. d. e. . F. (2015). Epidemiologic Study of Molar-incisor Hypomineralization in Schoolchildren in North-eastern Brazil. Pediatric Dentistry, 37(7), 513-9.
de Lima Mde D, et al. Epidemiologic Study of Molar-incisor Hypomineralization in Schoolchildren in North-eastern Brazil. Pediatr Dent. 2015 Nov-Dec;37(7):513-9. PubMed PMID: 26883608.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Epidemiologic Study of Molar-incisor Hypomineralization in Schoolchildren in North-eastern Brazil. AU - de Lima,Marina de Deus Moura, AU - Andrade,Maria Janaína Barroso, AU - Dantas-Neta,Neusa Barros, AU - Andrade,Natália Silva, AU - Teixeira,Rafael José Pio Barbosa, AU - de Moura,Marcoeli Silva, AU - de Deus Moura,Lúcia de Fátima Almeida, PY - 2016/2/18/entrez PY - 2016/2/18/pubmed PY - 2017/9/14/medline SP - 513 EP - 9 JF - Pediatric dentistry JO - Pediatr Dent VL - 37 IS - 7 N2 - PURPOSE: To determine the prevalence of molar-incisor hypomineralization (MIH) in children and possible factors associated with this disorder. METHODS: 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. RESULTS: 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). CONCLUSIONS: 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. SN - 1942-5473 UR - https://www.unboundmedicine.com/medline/citation/26883608/Epidemiologic_Study_of_Molar_incisor_Hypomineralization_in_Schoolchildren_in_North_eastern_Brazil_ L2 - https://www.ingentaconnect.com/openurl?genre=article&issn=1942-5473&volume=37&issue=7&spage=513&aulast=de Lima Mde DB - PRIME DP - Unbound Medicine ER -