Protocolos de irrigação intracanal
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Data
2023
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Editor
Universidade Brasil
Resumo
Endodontic therapy aims to decontaminate the root canal system in teeth with pulp
necrosis in order to eliminate bacteria and prevent periapical infections. Irrigating
solution agitation protocols are used to increase the chances of success, favoring the
cleaning of sites that are difficult to access, such as accessory canals, apical deltas
and dentinal tubules. The aim of this study was to evaluate the irrigants and irrigant
solution agitation protocols used in endodontic treatment. A bibliographical survey
was carried out, consisting of a search in databases such as Pubmed and Scielo for
scientific articles related to the topic. The articles found were read and analyzed and,
where relevant, used in the writing of this paper. Sodium hypochlorite is the most
widely used in endodontics, in concentrations of 0.5% to 5.25%, it has antimicrobial
activity and is effective in dissolving organic tissue. EDTA removes the Smear Layer,
unclogging the dentinal tubules, the most commonly used composition is 17%.
Another irrigant is Chlorhexidine or Chlorhexidine Digluconate in concentrations of
0.2% to 2.0%. It has antimicrobial activity, but its ability to dissolve organic matter is
not effective, so it is more suitable for patients allergic to Sodium Hypochlorite.
Among the agitation protocols are Passive Ultrasonic Irrigation (PUI), EasyClean,
XPClean and XP-Endo Finisher. Agitation of the irrigation solution increases the
chances of success, promoting disinfection of hard-to-reach sites. Among the most
commonly used protocols is the combination of 2.5% sodium hypochlorite and 17%
EDTA, combined with agitation with PUI and EasyClean.
Descrição
Palavras-chave
Endodontia, Irrigação, Clorexidina, Irrigation, Chlorhexidine, Edta, Terapia endodôntica