Resumen

VELANDIA, Lina M; ALVAREZ, Laura V; MEJIA, Lofthy P  y  RODRIGUEZ, Martha J. Oral health-related quality of life in Colombian children with Molar-Incisor Hypomineralization. Acta odontol. latinoam. [online]. 2018, vol.31, n.1, pp.38-44. ISSN 1852-4834.

The aim of this study was to assess the impact of Molar-Incisor Hypomineralization (MIH) on Oral Health-Related Quality of Life (OHRQoL) in schoolchildren from a public educational institution in Bucaramanga, Colombia. Eighty-eight 7- to 10-year-olds took part in the study; of whom half had MIH. The translated and adapted version of the Child Perceptions Questionnaire (CPQ 8-10) was applied by means of an interview. The dependent variable was OHRQoL and explanatory variables were presence and severity of MIH, sex, age, socioeconomic status and social security. Frequencies and proportions were calculated for qualitative variables, and measures of central tendency, dispersion and position were calculated for quantitative variables. Chi-square, Fisher's Exact Test, Mann-Whitney U Test and Kruskal-Wallis tests were used, as appropriate. A p-value <0. 05 was considered statistically significant. Parents or caregivers of participating children signed informed consent, and children signed an assent. A statistically significant difference was found for age groups (p<0. 001), socioeconomic status (p=0. 015) and social security (p=0. 045) according to the presence of MIH. Likewise, statistically significant differences were found for each of the four domains of the questionnaire and for the overall CPQ 810 score (p<0. 0001) according to the presence of MIH. The presence of the Molar-Incisor Hypomineralization may have negative impact on the Oral Health-Related Quality of Life of the participating children.

Palabras clave : Quality of Life; Dental enamel hypoplasia; Oral health; Tooth demineralization.

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