Background Asthma is a chronic disease that involves several healthcare services that need attention in relation to its treatment and prevention. Aim The objective of this study was to evaluate caries, erosion, and enamel defects in children with and without asthma. Design Cross‐sectional study, with a sample of 228 children ages 6‐12 years, stratified as asthmatic (n = 112) and non‐asthmatic (n = 116), at two Primary Health Units of the Community Health Service, Brazil. The evaluation consisted of an oral examination and a structured interview with parents/guardians, in addition to data from medical records. Data were analysed by Poisson regression with a robust error variance, all of them at a level of significance of P < 0.05. Results Of 112 asthmatic children, 63 (51.2%) had dental caries and 25 (53.2%) enamel defects. In the adjusted analysis, dental caries and use of salbutamol were associated (PR = 1.32, 95% CI = 1.01‐1.72). In addition, children who performed oral hygiene more than three times a day showed a greater prevalence (PR = 2.36, 95% CI = 1.02‐4.85) of dental erosion compared with children who performed it only once a day. Conclusions There is no evidence for an association between asthma, caries, erosion, and enamel defect in children aged from 6 to 12 years. There was, however, an association between dental caries and use of salbutamol.
Maltodextrin is a hydrolysate of cornstarch and has been widely used in the food industry associated with sucrose. The addition of starch can increase the cariogenic potential of sucrose; however, there are sparse data regarding the cariogenicity of sucrose associated with maltodextrin. Therefore, the aim of this study was to test in situ if maltodextrin could increase the cariogenic potential of sucrose. This was an in situ, randomized, crossover, split-mouth, and double-blind study. Volunteers wore palatal appliances containing bovine enamel blocks for 2 periods of 14 days. They dripped the following solutions on the enamel blocks 8 times per day: deionized distilled water (DDW), maltodextrin (M), sucrose + maltodextrin (S+M), or sucrose (S). At the end of each experimental period, biofilms were collected and analyzed for microbiological (mutans streptococci, lactobacilli, and total microorganisms counts) and biochemical (calcium, inorganic phosphate, fluoride, and insoluble extracellular polysaccharides concentrations) compositions. The enamel demineralization was assessed by microhardness. Treatments S and S+M resulted in a lower inorganic composition and higher concentration of insoluble extracellular polysaccharides in the biofilms, and higher enamel mineral loss compared to DDW and M. It can be concluded that the cariogenic potential of sucrose is not changed when this carbohydrate is associated with maltodextrin (dextrose equivalent 13-17).
Carbohydrates are largely present in our diet. Sucrose the most commonly consumed carbohydrat and presents a high cariogenic potential. Starch has low cariogenic potential but this effect may be increased if it is consumed in combination with a sucrose-rich diet due to a prolonged retention on tooth surfaces. Maltodextrin is derived from the acid hydrolysis and/or enzymatic hydrolysis of corn starch and it is increasingly present in a variety of industrialized foods such as infant formulas, sports drinks and energy supplements. Yet, its role in the development of dental caries is not clear. The objective of this study was to conduct a literature review of the association between maltodextrin and dental caries. Based on the studies included in this review it can be concluded that maltodextrin has an acidogenic potential lower than sucrose, and that there is a lack of studies about the association between maltodextrin and sucrose and it may not be possible to assess the relationship to dental caries. RESUMOOs carboidratos são amplamente presentes em nossa dieta. A sacarose é o carboidrato mais comumente consumido e apresenta um alto potencial cariogênico. O amido apresenta um baixo potencial cariogênico, mas este efeito pode ser aumentado se for consumido em combinação com uma dieta rica em sacarose, devido a uma retenção prolongada nas superfícies dos dentes. A maltodextrina é derivada a partir da hidrólise ácida e/ou enzimática do amido de milho e está cada vez mais presente em uma variedade de alimentos industrializados, como fórmulas infantis, bebidas esportivas e suplementos energéticos. Contudo, o seu papel no desenvolvimento da cárie dentária ainda não está esclarecido. O objetivo deste estudo foi realizar uma revisão da literatura sobre a associação entre a maltodextrina e a cárie dentária. Com base nos estudos incluídos nesta revisão, pode-se concluir que a maltodextrina apresenta um potencial acidogênico menor do que a sacarose, e que estudos sobre a associação entre maltodextrina e sacarose são escassos não podendo ser possível avaliar sua relação com cárie dentária.Termos de indexação: Carboidratos. Cárie dentária. Literatura.
Maltodextrins, derived from corn starch, have been added to industrialized food combined with sucrose. However it is not clear the diffusion properties of the dental biofilm matrix and the tridimensional structure of multispecies biofilms formed in the presence of these carbohydrates. Therefore, the aim of study was to investigate by confocal laser scanning microscopy (CLSM) the structural organization of the multispecies dental biofilm formed in situ under exposure to sucrose associated to maltodextrin. Adult volunteers wore an intraoral palatal appliance containing bovine enamel blocks. They were instructed to remove the appliance 8 times per day and drop the following solutions on the enamel blocks: deionized distilled water (DDW), maltodextrin, sucrose + maltodextrin or sucrose. Biofilms formed were stained and the percentage of extracellular polysaccharide (%EPS) and thickness were determined by CLSM. Biofilm formed in the presence of sucrose and sucrose + maltodextrin presented similar %EPS and higher than DDW and maltodextrin. Regarding to the biofilm thickness, sucrose and sucrose + maltodextrin treatments were thicker than DDW and maltodextrin and similar between them. The structural organization of the multispecies dental biofilm formed in situ in the presence of sucrose does not change when this carbohydrate is associated to maltodextrin.
Objective: To assess the relationship between asthma, malocclusion and mouth breathing. Material and Methods: This investigation was a cross-sectional study of 228 children between 6 and 12 years of age, of whom 112 were asthmatic and 116 were not, performed in two Primary Health Units of Porto Alegre, Brazil. The assessment consisted of a mouth exam performed by two calibrated dentists, an interview with parents/caregivers and medical chart data. Mouth breathing was determined through oral-facial changes related to Mouth Breathing Syndrome. Occlusion was assessed according to Angle's Classification for permanent or mixed teeth and regarding primary teeth were based on the canine relationships. The data were assessed by the Chi-square test and Poisson regression, with robust variation, at a p<0.05 significant level. Results: Asthma [PR = 2.12 (95% CI: 1.46-3.08), p<0.001] and the use of pacifiers [PR = 1.98 (95% CI: 1.27-3.07), p<0.001] were associated with mouth breathing, in the final multivariate model. Age [PR = 1.02 (95% CI: 1.00-1.03), p=0.039] and thumb sucking [PR = 1.08 (95% CI: 1.03-1.13), p=0.001] were associated with malocclusion in the final multivariate model, while there was no relationship between asthma and malocclusion (PR = 1.00; 95% CI: 0.94-1.07). Conclusion: This study provides evidence of the relationship between asthma and mouth breathing in children, demonstrating that knowledge regarding the oral health of populations with chronic diseases is fundamental for developing health programmes suitable to their needs and risks.
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