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Relação entre a prevalência da estomatite aftosa recorrente e o risco de cárie dentária numa população infantojuvenil
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Authors
Abstract(s)
Objetivos: A Estomatite Aftosa Recorrente é uma doença da cavidade oral de etiologia
desconhecida. Contudo, foi sugerida como possível causa a suscetibilidade à atividade de determinados micro-organismos presentes na cavidade oral, entre os quais se destacam Streptococcus sanguinis. Dado um possível antagonismo com Streptococcus mutans,
procurou-se estabelecer uma relação entre esta doença e o risco de Cárie Dentária.
Materiais e Métodos: Amostra de 30 participantes, entre os 6 e os 18 anos, dividida em
2 grupos, um grupo controlo e outro com Estomatite Aftosa Recorrente. Aplicou-se um
questionário de recolha de história clínica, a ambos os grupos, e avaliou-se a Estomatite
Aftosa Recorrente do grupo com a doença. De seguida, registaram-se índices para
determinação do risco de Cárie Dentária. Complementou-se com recolha salivar para
análise fenotípica e bioquímica das espécies bacterianas. A análise estatística descritiva e analítica foi efetuada com recurso ao programa SPSS.
Resultados: Obtiveram-se resultados estatisticamente significativos da existência de uma relação entre a prevalência da Estomatite Aftosa Recorrente e o risco de Cárie Dentária numa população infantojuvenil (p=0.022). As contagens microbianas demonstraram um possível antagonismo bioquímico entre as espécies, com contagens elevadas para Streptococcus sanguinis e contagens baixas para Streptococcus mutans, o que levou a ponderar a existência da razão “Streptococcus mutans/ Streptococcus sanguinis”, que serve de indicador do risco de cárie. Contudo, as contagens foram semelhantes para ambos os grupos.
Conclusões: Os resultados permitem inferir que a Estomatite Aftosa Recorrente pode
acarretar risco de Cárie Dentária. Sendo a Estomatite Aftosa Recorrente uma doença com impacto psicossocial e na qualidade de vida de crianças e adolescentes, a determinação da sua etiologia é fundamental, especialmente após a descoberta de uma associação com a Cárie Dentária. Quanto aos micro-organismos, a sua influência na relação entre as duas doenças permanece desconhecida.
Objectives: Recurrent Aphthous Stomatitis is a disease of the oral cavity of unknown etiology. Nevertheless, it was suggested as possible cause the susceptibility to the activity of certain microorganisms in the oral cavity, among which stand out Streptococcus sanguinis. Given possible antagonism with Streptococcus mutans, an attempt was made to establish an association between this disease and the risk of Dental Caries. Materials and Methods: A sample of 30 study participants, aged between 6 and 18 years old, were divided into 2 groups, a control group and another with Recurrent Aphthous Stomatitis. It was applied a questionnaire in order to get informations about clinical history, to both groups, and evaluate Recurrent Aphthous Stomatitis of the disease group. Then, indices were recorded to determinate Dental Caries risk. This was complemented with saliva collection, for phenotypic and biochemical analysis of the species. A descriptive and analytical statistical analysis was performed using the SPSS program. Results: Statistically significant results were obtained from the existence of a relation between the prevalence of Recurrent Apthous Stomatitis and the risk of Dental Caries in a juvenile population (p=0.022). Microbial counts demonstrated a possible biochemical antagonism between species, with high counts of Streptococcus sanguinis and low counts of Streptococcus mutans, which led to ponder the existence of a ratio “Streptococcus mutans/ Streptococcus sanguinis”, as an indicator for caries risk. Despite this, the counts were similar for both groups. Conclusions: The results allow to deduce that Recurrent Aphthous Stomatitis may carry risk of Dental Caries. Since Recurrent Aphthous Stomatitis is a disease with psychosocial impact and quality of life of children and adolescents, determining its etiology is essential, especially after the discovering of an association with Dental Caries. As for the microorganisms, their influence on the association between the two disease remains unknown.
Objectives: Recurrent Aphthous Stomatitis is a disease of the oral cavity of unknown etiology. Nevertheless, it was suggested as possible cause the susceptibility to the activity of certain microorganisms in the oral cavity, among which stand out Streptococcus sanguinis. Given possible antagonism with Streptococcus mutans, an attempt was made to establish an association between this disease and the risk of Dental Caries. Materials and Methods: A sample of 30 study participants, aged between 6 and 18 years old, were divided into 2 groups, a control group and another with Recurrent Aphthous Stomatitis. It was applied a questionnaire in order to get informations about clinical history, to both groups, and evaluate Recurrent Aphthous Stomatitis of the disease group. Then, indices were recorded to determinate Dental Caries risk. This was complemented with saliva collection, for phenotypic and biochemical analysis of the species. A descriptive and analytical statistical analysis was performed using the SPSS program. Results: Statistically significant results were obtained from the existence of a relation between the prevalence of Recurrent Apthous Stomatitis and the risk of Dental Caries in a juvenile population (p=0.022). Microbial counts demonstrated a possible biochemical antagonism between species, with high counts of Streptococcus sanguinis and low counts of Streptococcus mutans, which led to ponder the existence of a ratio “Streptococcus mutans/ Streptococcus sanguinis”, as an indicator for caries risk. Despite this, the counts were similar for both groups. Conclusions: The results allow to deduce that Recurrent Aphthous Stomatitis may carry risk of Dental Caries. Since Recurrent Aphthous Stomatitis is a disease with psychosocial impact and quality of life of children and adolescents, determining its etiology is essential, especially after the discovering of an association with Dental Caries. As for the microorganisms, their influence on the association between the two disease remains unknown.
Description
Dissertação para obtenção do grau de Mestre no Instituto Universitário Egas Moniz
Keywords
Estomatite aftosa recorrente Cárie dentária Streptococcus sanguinis Streptococcus mutans