BackgroundThe Child Perceptions Questionnaire (CPQ11-14) is the most commonly used indicator of child oral health-related quality of life (OHRQoL), and its validity and reliability have been studied both in English and in other linguistic contexts. The aim of this study was to develop a CPQ11-14 for use in Italy and to test its validity in a random sample of fourteen year-old Italian adolescents.MethodsOnce the CPQ11-14was translated into Italian and adapted for an Italian public, five hundred sixty-one adolescents were recruited for testing. Parents rated their social status; the children/adolescents were administered the questionnaire and underwent a dental examination during which their dental status was taken and recorded. Cronbach's alpha was used to assess the questionnaire’s internal consistency. Spearman's correlation coefficients were calculated to assess construct validity between the total and subscale scores and the respondents’ global ratings on oral health and well-being. Discriminant validity was analysed using the Kruskal-Wallis or Mann–Whitney tests in groups defined by gender, social position, caries experience and previous or no orthodontic treatment.ResultsThe mean score on the CPQ11-14 was 15.4 (SD=11.9), and the scores on all the domains were found to be highly skewed. Cronbach's alpha ranged from 0.85 to 0.90. The global ratings on oral health and well-being were correlated to the total score and to the sub-scores except for those regarding the functional limitations. There were significant differences in the two genders, in the groups that had already or had not yet undergone orthodontic treatment, and in the social classification groups, while the difference between those who had and those who did not have caries experience did not reach statistical significance.ConclusionsThe Italian version of the CPQ11-14 appears to be a reliable, valid instrument for Italian children/adolescents.

Caries experience in the primary dentition showed a symmetrical distribution localized on primary molars, most often in their occlusal surface. Caries in anterior teeth was uncommon.

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A bstract Aim To assess the relationship among caries and age, gender, immigrant condition, socioeconomic status (SES), and a behavioral risk factor (toothbrushing) in a sample of 3–5-year-old children. Materials and methods We performed a random cross-sectional survey from January to December 2017, carrying out clinical examinations to estimate the decayed, missing, and filled teeth (dmft) score. Parents filled in a questionnaire reporting their education level (SES) and the daily frequency of children's toothbrushing. The multivariate analysis assessed the association between caries occurrence and the independent variables. The dmft score was assessed by zero-inflated negative binomial regression (ZINBR). Results Out of 1,441 children in the sample, 357 (26.0%) presented at least one caries-affected tooth. Caries risk significantly increased with age and irregular toothbrushing, and it was significantly higher in children with lower SES levels. We modeled caries risk by means of ZINBR. The degree of caries experience increased in children from lower SES positions, immigrant status, and of older age; regular toothbrushing (twice a day) is a predicting factor to belong to the “zero caries” group. Conclusion Dental caries represent a significant burden in preschool children and can be regarded as an early marker of social disadvantage. Clinical significance The confirmation of the earliest preventive approach as the only chance to grant a “caries free” dentition in all ages and the first target for a pediatric dentist. How to cite this article Ferro R, Besostri A, Olivieri A, et al. Early Childhood Caries in a Preschool-based Sample in Northeast Italy: Socioeconomic Status and Behavioral Risk Factors. Int J Clin Pediatr Dent 2022;15(6):717-723.