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Cimentação adesiva de restaurações indiretas com compósitos aquecidos: revisão narrativa
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Abstract(s)
Para a cimentação de restaurações indiretas, não está ainda descrito um protocolo ideal que, de forma unânime, reúna o consenso clínico e científico. Ao uso de cimentos resinosos acresce a técnica de cimentação com compósitos aquecidos a temperaturas capazes de maximizar propriedades mecânicas, de aumentar o grau de conversão de monómeros, sem que o aquecimento prejudique o complexo pulpo-dentinário.
O objetivo desta revisão narrativa foi determinar se a literatura permitia validar o uso das resinas compostas pré-aquecidas na cimentação de restaurações indiretas. Para tal, foi efetuada uma revisão narrativa com critérios de inclusão baseados em restrições linguísticas, temporais e temáticas, nas principais bases de dados eletrónicas.
Dos inúmeros estudos publicados, a maioria é efetuada em condições in vitro, havendo a complexidade previsível de transpor os resultados para as condições clínicas. Serão necessários ensaios clínicos randomizados para poder avaliar o desempenho a médio e longo prazo desta forma de cimentação de restaurações indiretas. Há algum consenso na escolha das resinas micro-híbridas à temperatura de 54ºC, para a cimentação de coroas de cerâmica não muito espessas e com alguma translucidez.
An ideal protocol for the cementation of indirect restorations has not yet been described, which unanimously gathers the clinical and scientific consensus. In addition to the use of resin cements, there is the technique of cementation with composites heated to temperatures capable of maximising mechanical properties, increasing the degree of monomer conversion, without harming the pulp-dentin complex. The aim of this narrative review was to determine whether the literature allowed validating the use of preheated composite resins in cementation of indirect restorations. To this end, a narrative review with inclusion criteria based on linguistic, temporal and thematic restrictions was conducted in major electronic databases. In the numerous published studies, most are performed under in vitro conditions, with the predictable complexity of transposing the results to clinical conditions. Randomized clinical trials will be necessary to evaluate the medium and long-term performance of this form of cementation of indirect restorations. There is some consensus in the choice of microhybrid resins at a temperature of 54ºC for the cementation of ceramic crowns that are not too thick and have some translucency.
An ideal protocol for the cementation of indirect restorations has not yet been described, which unanimously gathers the clinical and scientific consensus. In addition to the use of resin cements, there is the technique of cementation with composites heated to temperatures capable of maximising mechanical properties, increasing the degree of monomer conversion, without harming the pulp-dentin complex. The aim of this narrative review was to determine whether the literature allowed validating the use of preheated composite resins in cementation of indirect restorations. To this end, a narrative review with inclusion criteria based on linguistic, temporal and thematic restrictions was conducted in major electronic databases. In the numerous published studies, most are performed under in vitro conditions, with the predictable complexity of transposing the results to clinical conditions. Randomized clinical trials will be necessary to evaluate the medium and long-term performance of this form of cementation of indirect restorations. There is some consensus in the choice of microhybrid resins at a temperature of 54ºC for the cementation of ceramic crowns that are not too thick and have some translucency.
Description
Keywords
Pre-heated/Preheated resin Cimentation Indirect restoration