Objective We sought to evaluate the association of maternal anxiety and social status with caries formation in children. Methods Participants comprised 258 pairs of children and their mothers. We collected information regarding age, sex, birth order of children, and mothers’ education and marital status using a questionnaire. The Spielberger Trait Anxiety Inventory was used to determine maternal trait anxiety levels. The children underwent oral examination. Total values for decayed, missing, filled, and total permanent/primary teeth (DMFT/dmft) were evaluated according to standards of the World Health Organization. Results No significant relationship was found between the mother's anxiety level and DMFT/dmft scores in their children. A negative correlation was observed between the child’s age and dental caries in children. The sex of the child, mother's education level, and marital status of the mother showed a weak negative correlation with the number of dental caries observed in their children. Conclusion Although social, economic, and environmental factors might contribute substantially to the development of dental caries, we failed to demonstrate a clear relationship between maternal anxiety and social status and dental caries in children. We can therefore conclude that biological factors are decisive in the formation of dental caries among children.
Fluoride toothpaste is one of the most effective cariostatic product when used as a daily fluoride application. The purpose of this in vitro study was to evaluate the effect of a new fluoride-containing toothpaste on enamel surface microhardness (SMH) under a pH-cycling regimen. Methods: Thirty-five sound human enamel samples were randomly divided into five groups (A-E) each containing seven samples as A (fluoridefree control group), B (1000 ppm NaF), C [KNO 3 (5%), 1450 ppm NaF], D (1450 ppm sodium monofluorophosphate), and E (1450 ppm NaF). After inducing caries-like lesions, each group was maintained daily for de-and remineralization cycle for seven days. During this cycle, samples were treated by the selected toothpaste for each group. Enamel mineral loss was assessed by SMH and lesion depth was analyzed by polarized light microscopy (PLM). Surface enamel microhardness was determined on the enamel blocks. SMH recovery (%SMHR) among treatments was analyzed by a two-way ANOVA. Results: The highest values of %SMHR were observed for the 1450 ppm NaF (group C). NaF toothpastes significantly increased the microhardness of the lesions (p<0.001) when compared to control groups. PLM data revealed a mineral precipitation band on the surface layer of all samples but no difference was found between groups in terms of enamel remineralization layers (p>0.05). The results suggest that all toothpastes with similar sources/concentrations of fluoride, provide different levels of remineralization. Conclusion: It can be concluded that new NaF compounds in toothpaste result in a clearly marked remineralization of caries-like enamel lesions.
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