Fig. 1From: Equine saliva components during mastication, and in vivo pH changes in the oral biofilm of sound and carious tooth surfaces after sucrose exposureA polymethyl methacrylate (PMMA) mouthpiece with holes specially constructed for the study, adjusted like a bit on a bridle. When the horse is chewing, saliva is collected in the reservoir. After removing the mouthpiece, the saliva can be emptied through a hole on the short side into an Ellerman polystyrene tubeBack to article page