Can chronic dry mouth cause blocked salivary glands and other mouth issues?

Dry mouth: I would expect that blocked salivary glands would be the cause of dry mouth better than the other way around. You should see a dentist to evaluate the patency of both your sublingual and parotid salivary glands. In the meantime use biotene or some other product to enhance and helpbto eliminate dry mouth.

Dry mouth : you may benefit from a physical examination by a board certified otolaryngologist who can check your salivary gland