Note any changes in pigmentation and movability of the mucosa, a pronounced linea alba, leukoedema, hyperkeratotic patches, intraoral swellings, ulcers, nodules, scars, other red or white patches, and Fordyce’s granules. Observe open
ings of Stensen’s ducts and establish their patency by first drying the mucosa with gauze and then observing the character and extent of salivary flow from duct openings, with and without milking of the gland. Palpate muscles of mastication.