Comparative evaluation of 2% sodium fluoride iontophoresis and other cavity liners beneath silver amalgam restorations

Comparative evaluation of 2% sodium fluoride iontophoresis and other cavity liners beneath silver amalgam restorations

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Background: This study was designed to compare 2% sodium fluoride (NaF) iontophoresis with other cavity liners.Materials and Methods: This study was carried out in 30 patients in the Fryer Accessories age group 10-14 years with bilateral carious permanent first molars.The study evaluated the use of 2% NaF iontophoresis as a cavity liner and also compared its desensitizing effect with varnish and an adhesive bonded liner.

Sensitivity gradings were done on a subjective verbal rating scale.Results: All the liner treatments decreased the sensitivity following liner application.However, decrease of sensitivity in the case of 2% NaF iontophoresis was more compared with that of varnish and adhesive bonded liner.

The results were statistically significant.Conclusions: It was found that 2% NaF iontophoresis was more effective in Drone Filter reducing the postoperative sensitivity compared with that of varnish and scotchbond multipurpose.