Figure 4From: Sodium channel Nav1.7 immunoreactivity in painful human dental pulp and burning mouth syndromeImmunoreactive Na v 1.7 nerve fibres in control tongue (Figure 4a) and burning mouth syndrome (Figure 4b), magnification × 40. The bar charts (Figure 4c) show the image analysis and visual intensity scores (Figure 4d) of the Nav1.7 fibres in tongue (Mean ± SEM).Back to article page