Ariana Bellotto Correa Kassawara

University of Campinas, Conceição de Campinas, São Paulo, Brazil

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Publications (2)1.43 Total impact

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    ABSTRACT: The aim of this 2-year cohort study (2003 to 2005) was to investigate how caries experience, at initial lesions (early or non-cavited lesions) and cavited stages, predicts caries increment in permanent teeth in 7-10- year-olds. The random sample of 765 children attending public schools in the city of Piracicaba, SP, Brazil, was divided into two groups: 423 children aged 7-8 years and 342 children aged 9-10 years. All subjects were examined by a calibrated examiner, using dental mirror and ball-ended probes, after tooth brushing and air-drying in an outdoor setting, based on the World Health Organization criteria. Active caries with intact surfaces were also recorded as initial lesion (IL). Univariate analysis was used for statistical analysis (Odds Ratios and Chi-square). The association between the DMFT (decayed, missing and filled teeth) increment and the presence of IL was significant only for 9-10-year-old children. The children with DMFT>0 at baseline were more prone to have DMFT increment, with the highest risk for caries increment occurring in children aged 7-8 years. The predictors of caries increment were the presence (at baseline) of caries experience in permanent teeth for both age groups (7-8; 9-10-year-olds) and the presence of the IL (at baseline) for 9-10-year-olds.
    Journal of applied oral science: revista FOB 03/2010; 18(2):116-20. DOI:10.1590/S1678-77572010000200004 · 0.92 Impact Factor
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    ABSTRACT: To investigate the influence of different settings, epidemiological and clinical, and different diagnostic thresholds on caries detection in a group of 7-10-year-old children in Brazil. In total, 983 children aged 7-10 years old and enrolled in four public schools were randomly selected. Three examiners performed epidemiological examinations followed by an examination of the same children in a clinical setting. The examinations of cleaned and dried teeth in both settings were carried out using a dental mirror and ball-ended probe, under natural light in the epidemiological setting examinations and under artificial light during the clinical setting examinations. For the analysis of results, comparisons were focused on WHO (World Health Organization) diagnostic thresholds versus WHO+IL (initial lesions) diagnostic thresholds, both under epidemiological conditions, in order to demonstrate the influence of the inclusion of IL in the study; and WHO+IL in the epidemiological setting versus WHO+IL in the clinical setting, aiming to demonstrate the importance of examination setting. Outcome measures were dmfs, DMFS, ds, Ds, sealants and number of children 'free' of caries. Paired t-test and McNemar's test were used to test the difference between means and proportions for each age group. Epidemiological examinations, under the WHO diagnostic threshold, showed significant differences for all outcome measures when compared with the WHO +IL threshold. Statistical differences were also detected when comparingthe WHO+IL threshold under different settings. The choice of a diagnostic threshold (WHO or WHO+IL) and the conditions of examination (epidemiological or clinical) were important for caries detection.
    Oral health & preventive dentistry 02/2007; 5(2):137-44. · 0.51 Impact Factor