Comparative cariostatic efficacy of a novel Nano-silver fluoride varnish with 38% silver diamine fluoride varnish a double-blind randomized clinical trial.

However, there was an increase in the mean depth in NSSF group at 6 (3.12 ± 1.21) and 12 months (3.15 ± 1.23) follow up, which was highly significant statistically ( p -value< 0.0001) ( Table 2 ).

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