A positive association was observed between viscosity measured at 50 s−1 and DFF reduction rate after 5,000 brushings (Spearman ρ = 0.77), although this association did not reach statistical significance.
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Assessment of dentinal fluid flow reduction following simulated brushing with desensitizing toothpastes using sub-nanoliter fluid flow measurement system.
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The sentences
A positive trend was observed between formulation viscosity and DFF reduction (Spearman ρ = 0.77), but this did not reach statistical significance ( p = 0.07).
The Bamboo salt medicare toothpaste showed a trend toward greater dentinal fluid flow reduction than Bamboo salt sensitive.