What causes a sharp pain under the jawbone when eating?

What causes a sharp pain under the jawbone when eating?

1. Introduction and Direct Answer A sharp, stabbing pain under the jawbone that occurs specifically while eating is most frequently caused by a physical obstruction in the submandibular salivary gland, typically a calcified salivary stone known as a sialolith. When you begin to eat, the brain signals the gland to produce and secrete a surge … Read more