Abstract
Objetivo: avaliar os diferentes métodos de agitação da solução de irrigação com base nos dados da literatura existente, comparando o uso de EndoActivator, EndoVac, sistema Easy Clean, Xp-Endo Finisher, Fluxo Fotoacústico Induzido por Fótons (PIPS) e Irrigação Ultrassônica Passiva (PUI). ) associado a agentes químicos na remoção da smear layer do RCS. Material e Métodos: Foram selecionados 28 artigos de periódicos, 2 livros, 2 monografias e 6 dissertações sobre as diferentes alternativas para a remoção de smear layer do RCS nas bases de dados PUBMED - National Institutes of Health dos Estados Unidos da National Library of Medicine; SCIELO - Scientific Eletronic Library Online e MEDLINE - MedLars Online. Resultados: como uma alternativa de remoção da smear layer para melhorar a sanitização do RCS e aumentar a taxa de sucesso do tratamento endodôntico, diferentes técnicas de irrigação têm sido propostas, incluindo a agitação da solução de irrigação de maneira mecânica, sonora ou ultra-sônica, Instrumentos Ni-Ti, plásticos e energia laser. Conclusão: muitos estudos comprovam a eficácia dos diferentes métodos de agitação da solução irrigadora na remoção da smear layer, contribuindo para o processo de sanitização do sistema de canais radiculares.
Highlights
The chemical and mechanical root canal preparation is the main method for the reduction and control of the microorganisms of the root canal system (RCS)
The friction of the instruments used to model the conduits induces the formation of a layer of organic materials and inorganic materials that are adhered to the root canal walls, this layer is called a smear layer.[1]
The objective of this work is to evaluate irrigation methods based on the literature data, comparing the use of EndoActivator, EndoVac, Easy Clean system, Xp-Endo Finisher, Photon Induced Photoacoustic Streaming (PIPS) and Passive Ultrasonic Irrigation (PUI) associated with a chelating agent (EDTA) in the removal of the smear layer
Summary
The chemical and mechanical root canal preparation is the main method for the reduction and control of the microorganisms of the root canal system (RCS). According to Lopes and Siqueira,[4] if the smear layer is not adequately removed, it may favour the occurrence of microleakage in the root canals even after the final filling The irrigating solution such as sodium hypochlorite (NaOCl) plays a key role in its removal, since it is able to access areas of the RCS where the instruments cannot reach, especially areas of isthmus, lateral and accessories canals, apical deltas and extension canal where in these cases only 40% of the canal walls are touched by mechanical instruments.[5,6] In addition, it has antimicrobial and dissolution capacity of the remaining pulp tissue.[7]
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