Can viscosity of acid etchant influence the adhesion of fibre posts to root canal dentine?

Abstract

The use of a liquid acid etchant created higher bond strength values in the apical region.

Push-out bond strength of different translucent fiber posts cemented with self-adhesive resin cement

“…In such cases, it is believed that the effectiveness of acid etching of root dentin in the different thirds may significantly influence the results,[12] since some studies have reported the presence of a residual smear layer, especially in the apical third. [13] Salas et al . [13] also showed that the viscosity of acid etching could influence the etching pattern obtained in root dentin and consequently affect the bond strength.…”

“…[13] Salas et al . [13] also showed that the viscosity of acid etching could influence the etching pattern obtained in root dentin and consequently affect the bond strength. The liquid phosphoric acid produced higher bond strength in the apical region when compared with phosphoric acid gel, in the same concentration of 37%.…”

Restoration of Root Canal-Treated Teeth

“…Some recent studies have reported that liquid phosphoric acid applied with an endodontic needle yielded better smear layer removal from the canal wall and higher bond strengths when an ER adhesive system was used, especially if applied actively (Salas et al 2011 ;Scotti et al 2013 ).…”

Effect of surface treatments on fracture resistance of root filled teeth with bonded fibre posts

“…Previous studies have reported that application of various irrigants in the prepared post space has different effects on resin-dentin bond strengths (3,(5)(6)(7)(8)(9)(10)(11)(12). Altogether, the application of EDTA (6)(7)(8)11) or acidetching (5,10,12) can result in higher bond strengths, while irrigants such as sodium hypochlorite (3,9) can have adverse effects.…”

“…Altogether, the application of EDTA (6)(7)(8)11) or acidetching (5,10,12) can result in higher bond strengths, while irrigants such as sodium hypochlorite (3,9) can have adverse effects.…”