Effect of post-space irrigation with acid solutions on bond strength and dentin penetrability using a self-adhesive cementation system.
J Clin Exp Dent
; 13(6): e564-e571, 2021 Jun.
Article
em En
| MEDLINE
| ID: mdl-34188762
ABSTRACT
BACKGROUND:
The aim of this study was to evaluate the effects of surface treatments with 1% peracetic acid (PA), solution containing 17% EDTA (SmearClear, Kerr Endodontics), solution containing a combination of 17% EDTA with 2% chlorhexidine (QMix, Dentsply Sirona) on the post-space root dentin compared to 2.5% sodium hypochlorite (NaOCl) on bond strength and resin tags length in dentin. MATERIAL ANDMETHODS:
Forty human-canine roots were endodontically treated and the post space was prepared. The specimens were randomised into four groups (n = 10) control - irrigation with 2.5% NaOCl solution, PA - irrigation with 1% PA, SmearClear - irrigation with SmearClear solution, and QMix - irrigation with QMix solution. The fibre posts were cemented using a self-adhesive resin system (Relyx U200, 3M ESPE). After six months, the specimens were cross-sectioned and subjected to push-out and confocal laser microscopy tests. One-way ANOVA and Tukey's tests were used to analyse the data (α= 0.05).RESULTS:
PA and QMix presented the highest bond strength values compared to the other groups (p< 0.05). There was no significant difference between the resin tags length in dentin by the groups (p = 0.75).CONCLUSIONS:
Irrigation of the post space with 1% PA and QMix showed a positive clinical impact on the adhesion between the fiber post and root dentin. However, these materials had no influence on resin tags length in dentin by self-adhesive resin cement. Key wordsFiber post, adhesive cementation, self-adhesive resin cement, root dentin, irrigating solutions.
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Base de dados:
MEDLINE
Idioma:
En
Ano de publicação:
2021
Tipo de documento:
Article