Reasons for the iniquities of caries, globally recognized, may be related to how Cariology has been taught in dental schools. In Brazil, the most important universities, when considering healthcare teaching, are the public ones. The objective of this study was to identify the insertion of the contents of Cariology in the course flowcharts of public dental schools in the country. The survey was conducted in 2013 seeking to identify the realities of different geographical regions, aimed to the census of public dental schools. It was performed a documentary analysis of the menus of disciplines, identifying the following issues: number of dental schools that include content related to Cariology in their curricula; average total workload undergraduate courses and disciplines that contemplate the theme; distribution of disciplines in professional training cycles (basic, clinical and public health); existence of discipline and/or a specific department; verification of bibliographic indication directly related to Cariology. The response rate was 93.6%. All dental schools recommended specific books, and none of them had a Department of Cariology. All dental schools in the country contemplated content related to Cariology in their disciplines, distributed in specific disciplines (except for the Northern region) and disciplines in the three cycles of learning (basic, clinical and public health), with larger workload in the clinical cycle. Although public dental schools in Brazil demonstrated commitment to contemplating the content related to Cariology in their disciplines, the emphasis on the clinical cycle may not be promoting the integrated formation of students, which could be contributing to reflect the inequalities of the disease in the country.
Dental caries, still one of the most common diseases affecting people around the world, has a multifactorial nature encompassing necessary (biofilm accumulation), determinant (exposure to sugars and fluoride) and modulating factors (biological and social). The concepts about caries learned at dental schools may directly influence the conduct of the future dentists regarding the control and treatment of this disease. The aim of this study was to determine the concept that students at the Piracicaba Dental School, University of Campinas, Brazil, have about dental caries. In this cross-sectional descriptive study, 274 students answered the discursive question “Conceptualize dental caries”. Students' answers were analyzed by a content analysis technique that allowed the creation of response categories and classification of the concepts in categories. Frequencies were expressed as absolute numbers and percentages. Differences between the responses according to the students' class years were tested by the chi-square test. Differences with p<0.05 were considered statistically significant. The response categories were: biological concept (53.6%), restrictive multifactorial concept (12.1%), comprehensive multifactorial concept (8.1%), transmissibility concept (15.8%), and other (10.4%). Differences in response category frequencies were seen between the class years (p<0.001). There was no consensus on the disease definition, although students predominantly had a biological concept of dental caries.
Knowledge of dental caries and salivary factors related to the disease: influence of the teaching-learning process Abstract: Knowledge of factors related to caries and the possible consequences in controlling the disease may show the use of education as a relevant tool for achieving success in terms of dental health maintenance. Therefore, the aim of the present study was to investigate the relationship between acquired knowledge and salivary factors related to dental caries for freshmen students (n = 44) and trainees (n = 32) of the Piracicaba Dental School. Knowledge about dental caries was evaluated by a discursive questionnaire analyzed by the content analysis technique. Salivary flow and pH, buffer capacity, salivary sucrase activity, microbiological counts (total microorganisms, mutans, and lactobacilli) and inorganic concentration of calcium, phosphorus, and fluoride in saliva were evaluated and compared between groups using the Mann-Whitney test, with a significance of 5%. Trainees demonstrated knowledge of the disease, whereas freshmen showed unspecific and confusing concepts. Among the factors analyzed, statistically significant differences were observed for pH, buffer capacity, sucrase activity, total microorganisms, and calcium and fluoride concentrations in saliva. Knowledge about the disease increases and improves over time during the undergraduate program (highest among trainees); although the students from the final year of the program consume more sugar than those from the previous one, they try to balance this activity with greater exposure to fluorides.
Calcium fluoride-like materials ("CaF 2 ") formed on dental surfaces after professional fluoride application are unstable in the oral environment but can be retained longer with a daily NaF mouthrinse. We tested the effect of twice daily 0.05% NaF rinses on the retention of "CaF 2 " formed on enamel and dentine after applying acidulated phosphate fluoride (APF). "CaF 2 " formed on enamel/dentine by APF application significantly decreased after exposure to artificial saliva and the 0.05% NaF rinse was ineffective to avoid this reduction. These findings suggest that the combination of APF and 0.05% NaF is not clinically relevant, either for caries or dental hypersensitivity.
ResumoIntrodução: O Tratamento Restaurador Atraumático (ART) possibilita o tratamento de cárie com o auxílio de instrumentos manuais e sem anestesia, em locais onde o acesso a consultórios é impossibilitado, e é considerada uma técnica de fácil execução. Objetivo: Avaliar a efetividade do ART realizado pelos estudantes de graduação de odontologia em escolares de 4 a 11 anos de idade de Piracicaba-SP nos anos de 2009 e 2010, na dentição decídua, e a longevidade das restaurações em 6 e 12 meses. Método: A análise dos dados foi descritiva, e para avaliar diferença entre os grupos foi utilizado teste qui-quadrado (intervalo de confiança de 95%). Resultado: O sucesso das restaurações atraumáticas realizadas foi de 51,90% aos 6 meses e 47% aos 12 meses. A efetividade do ART variou segundo o tipo de restauração aos seis meses e aos 12 meses de reavaliação, apresentando maior sucesso em restaurações Classe I do que em restaurações Classe II (p<0,001). Conclusão: O sucesso do ART realizado por alunos de graduação foi próximo de 50% aos 6 e 12 meses, sendo significativamente melhor em cavidades Classe I nas duas avaliações.Descritores: Cárie dentária; saúde pública; cimentos de ionômeros de vidro. AbstractIntroduction: Atraumatic restorative treatment (ART) is a simple technique that enables the treatment of caries with hand tools and without anesthesia where clinic access is lacking. Objective: To evaluate the effectiveness of ART conducted in the primary dentition of 4-11-year-olds in 2009 and 2010 by graduate dental students in Piracicaba, SP, and the longevity of restorations at 6 and 12 months. Method: Descriptive data analysis was performed. Differences between groups were assessed using the chi-squared test with a 95% confidence interval. Result: The success rates of ART were 51.90% at 6 months and 47% at 12 months. Class I ARTs were more successful than class II ARTs at 6 and 12 months (p < 0.001). Conclusion: Approximately 50% of ART performed by undergraduates students have succeeded and was significantly better for class I carious lesions at both evaluation time points.
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