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LOPEZ JORDI, M. del Carmen; ALVAREZ, Licet  and  SALVERAGLIO, Inés. Prevalence of Molar-Incisor Hipomineralization (MIH) in children with different health care coverage (private and public) at Montevideo, Uruguay. Odontoestomatología [online]. 2013, vol.15, n.22, pp.4-15. ISSN 1688-9339.

Objectives: To know the prevalence of Molar-Incisor Hipomineralization (MIH) in Montevideo, Uruguay; to study the relationship between the prevalence of MIH and: age, gender, year of birth and different health care coverage (private and public). A transversal, observational and descriptive study was designed with the total of the children that were assisted between July and December 2010 in the Pediatric Department, School of Dentistry, Universidad de la República and in two private dentist offices in Montevideo (626), born between 1993 - 2003 and with the first four molars and permanent incisives erupted. The clinical diagnosis was done by calibrated examiners (100% kappa intra, 0.99, 0.98 and 0.90 inter). MIH prevalence was 11.8%, with a significant difference between public and private sector and with a high positive correlation between the presence of MIH and year of birth (p<0.0001). The results confirmed that: 1) MIH is a frequent pathology 2) The prevalence of MIH is higher in the private sector 3) Studies with bigger samples are necessary.

Keywords : Hipomineralization; Dental Anomaly; Prevalence.

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