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Numa fase inicial, as lesões erosivas não são facilmente detetáveis e pode existir alguma dificuldade no estabelecimento do diagnóstico. Consideramos que o estudo das características salivares podem fornecer informações sobre a suscetibilidade individual na erosão dentária e, à partida, possibilitar um diagnóstico conclusivo. Assim, a presente revisão sistemática tem como objetivo determinar as características salivares na presença de desgaste erosivo. Foi efetuada uma pesquisa através das bases de dados bibliográficas computorizadas Pubmed, Web of Science (WoS) e Cochrane Database of Systemic Reviews de artigos publicados nos últimos 10 anos (2010-2020). Dos 377 artigos obtidos apenas 13 reuniram os critérios de seleção preconizados. Cerca de metade dos estudos (53%) analisaram os parâmetros básicos salivares, como o pH e fluxo salivar e a capacidade tampão. Foram também examinadas características da saliva como a concentração proteica e/ou enzimática (26%), e ainda características da película adquirida (11%). Baseando pelos resultados das investigações estudadas não foi possível chegar à conclusão se efetivamente existe alterações dos parâmetros básicos da saliva na presença de erosão dentária. A diminuição estaterina na película adquirida parece estar intimamente relacionada com a presença de erosões dentária. Uma concentração maior de estaterina na saliva explicar a redução de cálcio na película adquirida visto que há ligação entre estes dois componentes. Contudo, a ausência de estaterina na película adquirida pode efetivamente ser um sinal que poderá antecipar um futuro desgaste dentário.
In early stages, dental erosion is not easily noticeable and there may be some difficulty in diagnosis. Thus, we consider that the study of saliva (in the presence of erosive lesions) can provide information on individual susceptibility to this pathology and may contribute to a conclusive diagnosis. This systematic review aims to determine the changes that occur in saliva in the presence of erosive wear. It was carried out through the computerized bibliographic databases Pubmed, Web of Science (WoS) and Cochrane Database of Systemic Reviews in the last 10 years (2010-2020). Of the 377 articles obtained, only 13 met the selection criteria. About half of the studies (53%) analyzed basic salivary parameters, such as pH, salivary flow and buffer capacity. Saliva characteristics such as protein and/or enzymatic concentration (26%) were also examined, as well as characteristics of the acquired pellicle (11%). Based on the results of the studies, it was not possible to conclude whether there are changes in the basic parameters of saliva in the presence of dental erosion. The authors report that the decrease in staterin in the acquired pellicle seem to be closely related to the presence of dental erosions. A higher concentration of staterin in the saliva (as seen in one of the studies) may explain the reduction of calcium in the acquired film since there is a connection between these two components. However, the absence of staterin in the acquired film can effectively be a sign that may anticipate future dental erosive wear.
In early stages, dental erosion is not easily noticeable and there may be some difficulty in diagnosis. Thus, we consider that the study of saliva (in the presence of erosive lesions) can provide information on individual susceptibility to this pathology and may contribute to a conclusive diagnosis. This systematic review aims to determine the changes that occur in saliva in the presence of erosive wear. It was carried out through the computerized bibliographic databases Pubmed, Web of Science (WoS) and Cochrane Database of Systemic Reviews in the last 10 years (2010-2020). Of the 377 articles obtained, only 13 met the selection criteria. About half of the studies (53%) analyzed basic salivary parameters, such as pH, salivary flow and buffer capacity. Saliva characteristics such as protein and/or enzymatic concentration (26%) were also examined, as well as characteristics of the acquired pellicle (11%). Based on the results of the studies, it was not possible to conclude whether there are changes in the basic parameters of saliva in the presence of dental erosion. The authors report that the decrease in staterin in the acquired pellicle seem to be closely related to the presence of dental erosions. A higher concentration of staterin in the saliva (as seen in one of the studies) may explain the reduction of calcium in the acquired film since there is a connection between these two components. However, the absence of staterin in the acquired film can effectively be a sign that may anticipate future dental erosive wear.
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Palavras-chave
Erosão dentária Saliva Película adquirida Alterações salivares Características salivares Revisão sistemática Dental erosion Acquired pellicle Salivary alterations Salivary characteristics Systematic review