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Prevalence and Severity of Molar Incisor Hypomineralization in Brazilian Children.
Pediatr Dent. 2021 Jul 15; 43(4):270-275.PD

Abstract

Purpose: The purpose of this study was to evaluate the prevalence, severity, and distribution of molar incisor hypomineralization (MIH) and its association with socioeconomic characteristics among eight-year-old students from public schools in Petrópolis, Rio de Janeiro, Brazil. Methods: This cross-sectional study evaluated 450 eight-year-old Brazilian children. A questionnaire was used to assess socioeconomic factors (family income, maternal education, and person per household). MIH was diagnosed based on European Academy of Paediatric Dentistry criteria. The severity of MIH was evaluated at patient and tooth levels. The examinations were conducted in school environments. Descriptive analysis, chi-square, Fisher's exact, and Kruskal-Wallis tests were performed. Results: The prevalence of MIH was 28.7 percent. The average of affected molars and incisors was 2.25 (standard deviation [SD] equals 1.03) and 0.84 (1.22 SD). The maxillary molars were the most affected, but mandibular molars showed greater severity. The majority of MIH-children had white-creamy opacities (51.9 percent). There was no association between MIH and socioeconomic factors. MIH was more prevalent in boys (P=0.025). The number of incisors with MIH rose with the increasing number of affected molars (P=0.02). A significant association between severity and the mean number of affected molars was observed (P=0.004). Conclusions: The prevalence of molar incisor hypomineralization was 28.7 percent. MIH severity at the individual level was significantly associated with the number of affected teeth and the occurrence of affected incisors.

Authors+Show Affiliations

Dr. Reis is a professor in Pediatric Dentistry, at the School of Dentistry, Centro Universitário Arthur Sá Earp Neto, Petrópolis, and is a doctorate student, Department of Preventive and Community Dentistry, Faculty of Dentistry, University of the State of Rio de Janeiro, Rio de Janeiro, state of Rio de Janeiro, Brazil.Dr. Jorge is professor in Pediatric Dentistry, School of Dentistry, Centro Universitário Arthur Sá Earp Neto, Petrópolis, and is doctorate student at Department of Preventive and Community Dentistry, Faculty of Dentistry, University of the State of Rio de Janeiro, Rio de Janeiro, state of Rio de Janeiro, Brazil.Dr. Americano is professor in Pediatric Dentistry, Centro Universitário Católico do Leste de Minas Gerais, Ipatinga, State of Minas Gerais, state of Rio de Janeiro, Brazil.Dr. Pontes is a professor in Public Oral Health, School of Dentistry, Centro Universitário Arthur Sá Earp Neto, Petrópolis, state of Rio de Janeiro, Brazil.Dr. Peres is a professor in Public Health, School of Dentistry, Centro Universitário Arthur Sá Earp Neto, Petrópolis, state of Rio de Janeiro, Brazil.Dr. Oliveira is professor in Epidemiology and Statistics, School of Dentistry, Centro Universitário Arthur Sá Earp Neto, Petrópolis, state of Rio de Janeiro, Brazil.Dr. Soviero is dean of School of Dentistry, Centro Universitário Arthur Sá Earp Neto, and a professor at the Department of Preventive and Community Dentistry, Faculty of Dentistry, University of the State of Rio de Janeiro, Rio de Janeiro, state of Rio de Janeiro, Brazil;, Email: verasoviero@gmail.com.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

34467841

Citation

Reis, Patricia Papoula Gorni, et al. "Prevalence and Severity of Molar Incisor Hypomineralization in Brazilian Children." Pediatric Dentistry, vol. 43, no. 4, 2021, pp. 270-275.
Reis PPG, Jorge RC, Americano GCA, et al. Prevalence and Severity of Molar Incisor Hypomineralization in Brazilian Children. Pediatr Dent. 2021;43(4):270-275.
Reis, P. P. G., Jorge, R. C., Americano, G. C. A., Thiago Pontes, N. S., Peres, A. M. A. M., Silva Oliveira, A. G. E., & Soviero, V. M. (2021). Prevalence and Severity of Molar Incisor Hypomineralization in Brazilian Children. Pediatric Dentistry, 43(4), 270-275.
Reis PPG, et al. Prevalence and Severity of Molar Incisor Hypomineralization in Brazilian Children. Pediatr Dent. 2021 Jul 15;43(4):270-275. PubMed PMID: 34467841.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Prevalence and Severity of Molar Incisor Hypomineralization in Brazilian Children. AU - Reis,Patricia Papoula Gorni, AU - Jorge,Roberta Costa, AU - Americano,Gabriela Caldeira Andrade, AU - Thiago Pontes,Norma de S, AU - Peres,Ana Maria Auler Matheus, AU - Silva Oliveira,Aline Gaudard E, AU - Soviero,Vera Mendes, PY - 2021/9/1/entrez PY - 2021/9/2/pubmed PY - 2021/9/3/medline SP - 270 EP - 275 JF - Pediatric dentistry JO - Pediatr Dent VL - 43 IS - 4 N2 - Purpose: The purpose of this study was to evaluate the prevalence, severity, and distribution of molar incisor hypomineralization (MIH) and its association with socioeconomic characteristics among eight-year-old students from public schools in Petrópolis, Rio de Janeiro, Brazil. Methods: This cross-sectional study evaluated 450 eight-year-old Brazilian children. A questionnaire was used to assess socioeconomic factors (family income, maternal education, and person per household). MIH was diagnosed based on European Academy of Paediatric Dentistry criteria. The severity of MIH was evaluated at patient and tooth levels. The examinations were conducted in school environments. Descriptive analysis, chi-square, Fisher's exact, and Kruskal-Wallis tests were performed. Results: The prevalence of MIH was 28.7 percent. The average of affected molars and incisors was 2.25 (standard deviation [SD] equals 1.03) and 0.84 (1.22 SD). The maxillary molars were the most affected, but mandibular molars showed greater severity. The majority of MIH-children had white-creamy opacities (51.9 percent). There was no association between MIH and socioeconomic factors. MIH was more prevalent in boys (P=0.025). The number of incisors with MIH rose with the increasing number of affected molars (P=0.02). A significant association between severity and the mean number of affected molars was observed (P=0.004). Conclusions: The prevalence of molar incisor hypomineralization was 28.7 percent. MIH severity at the individual level was significantly associated with the number of affected teeth and the occurrence of affected incisors. SN - 1942-5473 UR - https://www.unboundmedicine.com/medline/citation/34467841/Prevalence_and_Severity_of_Molar_Incisor_Hypomineralization_in_Brazilian_Children_ L2 - https://www.ingentaconnect.com/openurl?genre=article&issn=1942-5473&volume=43&issue=4&spage=270&aulast=Reis DB - PRIME DP - Unbound Medicine ER -