Fig. 2From: Dentin tubule obturation of a bioglass-based dentin desensitizer under repeated exposure to lactid acid and brushingExperimental set-up. 1 a – tube cover, b – pvc-tube, c – artificial saliva, d – adjusted pressure 0.5 bar, e – tap water, f – silicone tube, g – methacrylate socket, h – dentin disc, i – water basin. 2 Photo of the pendulous pvc tubes. 3 Silicon tube tips in the water basinBack to article page