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Background: Dental erosion is an increasing oral health concern among children.Knowing the risk factors and regional prevalence is critical for its prevention.Aim of the study was to assess the prevalence and severity of dental erosion and its potential predictors among 6-12 years old school children in Davangere city.Methods: A cross sectional study was designed and conducted in a field setting involving randomly selected sample of 800 children.Data regarding socio-demographic details, medical history, oral hygiene practices, dietary patterns, was collected by using questionnaire and dental erosion was assessed using O'Sullivan Index and Basic Erosive Wear indices.IBM SPSS Statistics for Windows, version 20, was used for analysis.Significance level was fixed at P < 0.05.Chi Square test and Logistic regression tests were applied to find association and prediction respectively.Results: Prevalence of dental erosion was 4.5% among 6-12-year-old children.It was higher in primary dentition(14.2%)comparedto mixed(1.1%) and permanent dentition(10.2%).High prevalence of dental erosion was significantly associated (p,0.05) with middle class socioeconomic status, primary dentition, gastro-esophagial reflux, frequent consumption of jam and soft drinks with snacks.Logistic regression indicated that dental erosion was less in permanent dentition (OR = 0.08, 95% CI-0.03-0.23,P = 0.00) and high in children engaged in sports other than swimming (OR-4.3,95% CI-0.96-19.39,P = 0.05.Interpretation and conclusion:Prevalence of dental erosion was less among 6-12year old school children in Davanagere city.Dental erosion was more prevalent in deciduous dentition compared to mixed and permanent.
Jha et al. (Sat,) studied this question.