It was concluded that the antihistamine-containing syrup reduced the hardness of primary enamel and that, in this experiment, the use of fluoride dentifrice was able to diminish this erosive effect.
The objective of this study was to assess the prevalence of traumatic injuries to the permanent incisors and the association with clinical predisposing factors and parents' schooling. A cross-sectional survey was conducted with schoolchildren aged 11 to 13 years in Biguaçu, Brazil. Dental examinations were conducted by a dentist, and the criteria for traumatic dental injuries used in the children's dental health survey in the United Kingdom were adopted. the study recorded the type of damage sustained, treatment performed or needed, the size of incisal overjet, and whether lip coverage was adequate. Socio-demographic data included sex, age, and parents' level of schooling. a total of 2,260 children were examined, and prevalence rates were 10.4%, 10.6%, and 11.2% in 11, 12, and 13-year-old children, respectively. Treatment need was 6.3 interventions per thousand incisors. Male gender and overjet greater than 5mm were significantly related to having a traumatic dental injury. Inadequate lip coverage and parents' educational level were not associated with dental trauma. The study concluded that male gender and incisal overjet greater than 5mm are associated with the occurrence of dental injury.
A obesidade, as doenças dela decorrentes e a cárie dentária têm no hábito alimentar um importante componente etiológico comum. Assim, o objetivo deste artigo foi revisar aspectos gerais da obesidade e da cárie dentária, enfocando a transição alimentar como problema comum ao desenvolvimento de ambas. As conseqüências da obesidade para a saúde são muitas, variando desde um maior risco de morte prematura até diversos problemas não fatais, mas debilitadores da qualidade de vida dos indivíduos. Os hábitos alimentares relacionados à obesidade podem também determinar uma maior prevalência de cárie dentária já que tanto a quantidade de sacarose ingerida quanto a freqüência de ingestão são importantes fatores envolvidos em sua etiologia. Os profissionais de saúde devem auxiliar e conscientizar os pais sobre os efeitos imediatos dos hábitos alimentares inadequados sobre a saúde da criança e do adolescente, principalmente em relação à obesidade e à cárie dentária. Termos de indexação:obesidade, cárie dentária, saúde bucal, infância, adolescente, nutrição da criança. A B S T R A C TThe dietary habits are important common etiological factors for both obesity and dental caries. The objective of this article was to review general aspects of obesity and dental caries focusing on the changing from
The aim of this study was to evaluate the antierosive effect of phosphorylated chitosan in dentin. Bovine dentin specimens were randomly distributed into the following groups: (1) no treatment (NoTx/negative control), (2) phosphate-buffered saline solution (PBS), (3) AmF/NaF/SnCl2 (positive control), (4) 0.5% chitosan solution (Chi), (5) 0.5% neutral phosphorylated (NP)-Chi, and (6) 0.5% alkaline phosphorylated (AP)-Chi. The specimens were submitted to de-remineralization treatment cycles for 5 days: 0.5% citric acid (2 min), remineralizing solution (30 min), and surface treatment according to assigned groups (2 min, 6×/day). The loss of dentin surface was measured by profilometry. Hardness and modulus of elasticity were measured using a nanoindenter equipped with a Berkovich diamond tip. The dentin surface was analyzed by scanning electron microscopy (SEM). The largest loss of dentin was observed in the No Tx and PBS groups (approx. 25 µm). The group treated with AmF/NaF/SnCl2 showed less loss of dentin (67% reduction vs. NoTx and PBS), followed by the groups treated with NP-Chi and AP-Chi (33% reduction), and Chi (18% reduction). Nanohardness and modulus of elasticity were similar in the NoTx and PBS groups, with a small increase in stiffness in all other groups. SEM revealed that the experimental solution of AP-Chi had a favorable effect on maintaining the integrity of collagen fibrils. AmF/NaF/SnCl2 showed a preserved mineralized collagen surface. Further studies are warranted to explore this nontoxic phosphorylated chitosan polymer as an effective agent in the prevention and treatment of dental erosion.
Because children with type 1 diabetes (DM) are prone to diseases of the buccal cavity, in this transversal study we investigate the prevalence of dental caries, gingivitis and buccal alterations in 26 patients (16F/10M; average age: 10.3 years) from the Diabetic Children's Group at the Federal University Hospital of Santa Catarina, to verify possible correlations among the following variables: index of decayed, missing or filled permanent or deciduous teeth [DMFT or dmft], index of visible plaque [IVP], index of gum bleeding [IGB], dental calculi, gum recession, tongue abnormalities, xerostomia, burning sensation of the mucosa, age at DM diagnosis, administration of insulin; occurrence of DM-related complications; glycemia and glycosilated hemoglobin [GH]. The most frequent alterations were dental calculi (42.3%), xerostomia (38.5%), burning sensation (11.5%), and gum recession (7.7%). The median indices for DMFT/dmft, IVP and IGB were 2.0, 27.21% and 10.91%, respectively. Only age and the level of GH were significantly correlated to IVP (r2 = 0.61), whereas the IVP and hypoglycemia correlated to IGB (r2 = 0.63). We conclude that the older the patient and the higher the GH level, the higher the IVP; whereas the higher the IVP and the less frequent the crisis of mild hypoglycemia, the higher the IGB.
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