Prevalencia de hipomineralización incisivo-molar, niños de 8-12 años, clínica UCSG, semestre B-2019.

Abstract

INTRODUCTION: Molar incisor hypomineraization is cuased by multifactorial etiology; they affect the incisors and first permanent molars both upper and lower. OBJETIVE: The purpose of this research is to establish the prevalence of molar incisive hypomineralization in children aged 8 to 12 years in the dentistry and orthodontics clinic. MATERIALS AND METHODS: A descriptive and analytical cross – sectional study was conducted, who’s the sample was 150 children. The etiological factor and presence of dental hypersensitivity were analyzed through questionnaires, clinical characteristics of the HIM through the modified index of DDEm, and the Mathu-Muju & Wright index. RESULTS: Analyzes that only 11.67% presented HIM in the UCSG Clinic. The etiological factor with the highest prevalence was determined to be low birth weight and maturity level in 78.57%, established that 78.57% of the study group presented dental hypersensitivity; Determined that the clinical characteristics present in 100% of the study group were determined to be the opacities of the enamel; the degree of mild severity in a 85.71% and moderate 71.43% presented a higher prevalence; presented a higher prevalence in piece 46 with 92.86%. CONCLUSIONS: HIM, not so frequent alteration with a higher prevalence of permanent lower first molars. In its etiology, low birth weight stands out as a perinatal factor; The presence of hypersensitivity, opacity and post-operative dental fractures are recurrent features in HIM alterations. The degree of mild severity is that found in the largest number of children studie.