Methods  The sample was split in two groups: asthma group (AG),

Methods.  The sample was split in two groups: asthma group (AG), composed of 65 patients who attended Public Health Service; asthma-free group (AFG), composed of 65 nonasthmatic children/adolescents recruited in two public schools. Stimulated

salivary samples were collected for 3 min. Buffering capacity and pH were ascertained in each salivary sample. A single JNK assay trained and calibrated examiner (kappa = 0.98) performed the dental caries examination according to WHO criteria. Results.  The AFG showed salivary flow rate (1.10 ± 0.63 mL/min) higher (P = 0.002) than AG (0.80 ± 0.50 mL/min). An inverse relationship was observed between asthma severity and salivary flow rate (Phi coefficient, rφ: 0.79, P = 0.0001). Children with moderate or severe asthma showed an increased risk selleck chemicals llc for reduced salivary flow rate (OR: 17.15, P < 0.001). No association was observed between drug use frequency (P > 0.05) and drug type (P > 0.05) with salivary flow rate. Buffering capacity was similar in both groups. No significant differences were encountered in dental caries experience between AFG and AG groups. Conclusions.  Although asthma can cause

reduction in flow rate, the illness did not seem to influence dental caries experience in children with access to proper dental care. “
“Salt fluoridation is considered a cost-effective community strategy for reducing caries. To evaluate the effect of school-based and domestic distribution of F-salt to schoolchildren residing in a disadvantaged community. Seven hundred and thirty-three schoolchildren (12–14 years), attending two public schools, were enrolled; one was assigned to intervention (IS), whereas the other served as reference (RS). Subjects in IS were given access to F-salt

(250 ppm F) in marked jars at school lunch and through free supply for domestic use. The 2-year caries increment and progression find more rate, assessed from bitewing radiographs, was scored. Information on diet, oral hygiene, and fluoride exposure was collected through a baseline questionnaire. The dropout rate was high (IS 27%; RS 18%). At baseline, the IS children displayed more unfavourable risk factors and a higher caries experience than RS children. There were no significant differences in total caries increment or proximal progression rate between the two schools. A negative correlation (r = −0.29; P < 0.05) between the amount of delivered salt and the caries progression rate was, however, noted. No side effects were reported. F-salt was not effective in this setting. Still, the findings indicate that salt may be a beneficial source of fluoride in schoolchildren provided that compliance can be secured. "
“The aims of this study were to determine the prevalence of erosion in a birth cohort at 24, 36, and 48 months and to investigate risk factors for erosion. One hundred and fifty-four children from a birth cohort were followed at 24, 36, and 48 months of age.

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