Also termed salivary calculi, or salivary stones, is a condition where a calcified mass or sialolith forms within a salivary gland, usually in the duct of the submandibular gland (also termed "Wharton's duct").
Symptoms:
Swelling of the affected saliva glands which normally occurs with meals.
Difficulty opening the mouth.
Difficulty swallowing.
A painful lump under the tongue.
Gritty or strange tasting saliva.
Dry mouth.
Pain and swelling usually around the ear or under the jaw.