Retención del conocimiento de estudiantes después de una capacitación teórico-laboratorial para detección de caries / Retenção de conhecimento de graduandos após 1. 5 ano de treinamento teórico-laboratorial para detecção de cárie / Students' knowledge retention after theoretical-laboratory training for caries detection in pediatric dentistry. 1. 5 Year-assessment

Este estudio evaluó la retención de conocimientos, de estudiantes de pregrado expuestos a una actividad educativa de detección de lesiones de caries. Estudiantes de Odontología de los últimos años fueron invitados a participar del estudio. Ellos recibieron la capacitación 1 año y medio antes. Para evaluar su retención de conocimientos se realizaron evaluaciones teóricas y prácticas para dimensionar los conocimientos, habilidades y actitudes de los estudiantes. Cada prueba se valoró entre 0 a 10. Análisis de regresión multinivel se usaron para ver la asociación entre el desempeño de los estudiantes y su percepción sobre la importancia de la actividad. Otras peculiaridades relacionadas al desempeño en temas específicos y diferentes tipos de evaluación también fueron estudiadas. 302 estudiantes fueron evaluados. En promedio, los estudiantes tuvieron una nota 6.68 para la teórica y 5.5 para la práctica, con desviación estándar de 1.88 y de 2.27, respectivamente. La percepción de los estudiantes sobre la actividad didáctica fue asociada a su desempeño. En la evaluación teórica, los estudiantes fueron peores al relacionar la condición clínica con la histológica (21% de aciertos) y al justificar su conducta frente a lesiones inactivas (36% de aciertos). En la evaluación práctica, el 70-90% de los estudiantes demostraron tener capacidad para detectar, valorar la actividad y tomar decisiones clínicas sobre lesiones iniciales y severas. Solo 50% detectó correctamente lesiones moderadas y 32% sabe su manejo. Concluimos que la retención de conocimientos de los alumnos en mediano plazo es moderada está dentro de lo esperado.

Este estudo avaliou a retenção de conhecimento, em médio prazo, de graduandos expostos a uma atividade educativa de detecção de cárie. Esta é uma parte do estudo multicêntrico IuSTC. Alunos dos últimos anos foram convidados a participar e passaram pela atividade. Foram avaliados quanto à retenção do conhecimento após 1,5 ano. Avaliações teóricas e práticas (pontuadas de 0 a 10) foram preparadas para avaliar conhecimento, habilidades e atitudes. Os escores foram definidos como desfechos. Análises de regressão multinível testaram a associação entre a performance dos alunos e sua percepção sobre a importância da atividade dentro do seu currículo. Particularidades relacionadas à performance em tópicos específicos e diferentes tipos de avaliação também foram explorados. 302 alunos participaram das avaliações. Em média, os alunos tiveram medias (desvio-padrão (DP), de 6,68 (1,88) teórica e 5,5 (2,27) prática. A percepção dos alunos esteve associada com sua performance. Na avaliação teórica, os alunos tiveram pior performance ao relacionar a condição clínica com a histológica (21% de acertos) ou em justificar a conduta frente a lesões inativas (36% de acertos). Na avaliação prática, 70-90% dos alunos demonstraram habilidade de detectar, avaliar atividade e tomar decisões clínicas frente a lesões iniciais e severas, enquanto 50% avaliaram adequadamente as lesões moderadas e apenas 32% demonstrou atitude correta do manejo. Em conclusão, a retenção do conhecimento dos alunos está dentro do esperado em uma análise de médio prazo. Para alguns tópicos (por exemplo, relacionados a prática e justificativa de atitudes), a performance dos alunos tende a ser pior.

This study aimed to evaluate undergraduate students' medium-term knowledge retention after a learning activity related to caries lesions detection. This study is part of the IuSTC multicenter study. Last-years dental students were invited to participate and were exposed to the teaching activity. Their knowledge retention after 1.5 year was assessed. Theoretical and practical tests (scored 0 to 10) were prepared to evaluate knowledge, abilities and attitudes The scores were set as outcomes. Multilevel regression analyses were used to assess the association between students' performance and his/her perception about the importance of such learning activity in curriculum. Particularities related to students' performance in specific topics and types of evaluations were also explored. 302 students participated. On average, students achieved 6.68 (SD=1.88) in theoretical and 5.5 (SD=2.27) in practical assessment. Student's perception was associated with their performance. In theoretical test, students performed worse (21% of correct answers) in linking clinical and histological condition or justifying clinical decision-making for inactive lesions (36% of correct answers). In the practical test, 70-90% demonstrated ability to detect, assess activity and make the decision about management of initial or severe lesions, while 50% of students could assess adequately moderate caries lesions and only 32% demonstrated correct attitude related to their management. Undergraduate students' knowledge retention related to the detection of caries lesions is moderate in a medium-term analysis. It is noted that for some topics (e.g. not related to practice/justification of attitudes), the students' performance tends to be worse.

How combining different caries lesions characteristics may be helpful in short-term caries progression prediction: model development on occlusal surfaces of primary teeth.

BACKGROUND: Few studies have addressed the clinical parameters' predictive power related to caries lesion associated with their progression. This study assessed the predictive validity and proposed simplified models to predict short-term caries progression using clinical parameters related to caries lesion activity status. METHODS: The occlusal surfaces of primary molars, presenting no frank cavitation, were examined according to the following clinical predictors: colour, luster, cavitation, texture, and clinical depth. After one year, children were re-evaluated using the International Caries Detection and Assessment System to assess caries lesion progression. Progression was set as the outcome to be predicted. Univariate multilevel Poisson models were fitted to test each of the independent variables (clinical features) as predictors of short-term caries progression. The multimodel inference was made based on the Akaike Information Criteria and C statistic. Afterwards, plausible interactions among some of the variables were tested in the models to evaluate the benefit of combining these variables when assessing caries lesions. RESULTS: 205 children (750 surfaces) presented no frank cavitations at the baseline. After one year, 147 children were reassessed (70%). Finally, 128 children (733 surfaces) presented complete baseline data and had included primary teeth to be reassessed. Approximately 9% of the reassessed surfaces showed caries progression. Among the univariate models created with each one of these variables, the model containing the surface integrity as a predictor had the lowest AIC (364.5). Univariate predictive models tended to present better goodness-of-fit (AICs < 388) and discrimination (C:0.959-0.966) than those combining parameters (AIC:365-393, C:0.958-0.961). When only non-cavitated surfaces were considered, roughness compounded the model that better predicted the lesions' progression (AIC = 217.7, C:0.91). CONCLUSIONS: Univariate model fitted considering the presence of cavitation show the best predictive goodness-of-fit and discrimination. For non-cavitated lesions, the simplest way to predict those lesions that tend to progress is by assessing enamel roughness. In general, the evaluation of other conjoint parameters seems unnecessary for all non-frankly cavitated lesions.