Orofacial sensitivity: tactile, thermal and painful sensitivities. Anatomo-functional organization of the trigeminal nerve. Periodontal receptors and the oral mucosa. The pulpo-dentinal complex: function of the pulp nerves and the nociceptive response. Mastication: muscles, biomechanics of mastication, chewing efficacy, chewing cycles, muscular activities and forces developed during chewing, nervous control of the mastication. Mandibular reflexes, rhythmic movements and chewing. Swallowing: swallowing movements, muscles activity during swallowing and their nervous control, role of sensory afferents during swallowing. Occlusion and the resting position of the jaw. The phonation. The tongue: resting position, movements and function. Suction and vomiting. Taste sensitivity: mechanisms of gustative transduction, taste pathways, psychophysiology of the taste sensitivity, role of saliva in gustative sensitivity. Salivary glands: innervation and stimulus to secretion. Saliva: composition, volume and functions; morphofunctional organization of the salivary glands; primary saliva formation. Fluid dynamics of the gingival fluid.