Fig. 4From: Effects of desensitizing dentifrices on dentin tubule occlusion and resistance to erosive challengesEnergy dispersive X-ray spectroscopy shows chemical composition of dentin tubule plugs in the CPP and PVM/MA groups. Titanium element was present in CPP dentifrice as titanium dioxide. Silica element was present in the PVM/MA dentifrice as silicon dioxideBack to article page