Explaining Biology on Instagram: "A salivary stone, also known as sialolith, is a calcified structure that forms inside the salivary glands or their ducts. It develops when minerals like calcium accumulate around thickened saliva, gradually hardening over time. These stones can block the flow of saliva, leading to pain, swelling, dry mouth, and discomfort—especially while eating. The submandibular gland is the most commonly affected due to its thicker saliva and upward duct flow. While small sto