Mucous Retention Cyst in the Mouth: Causes, Symptoms & Treatment
Have you ever noticed a small, painless bump inside your mouth—on your lips, cheeks, or even under your tongue? It might be a mucous retention cyst (also called a mucocele). While it sounds serious, it’s usually harmless. But let’s talk about what it is, why it happens, and when you should see a doctor. What is a Mucous Retention Cyst? A mucous retention cyst is a fluid-filled sac that forms when the salivary glands get blocked or damaged. Instead of saliva flowing freely, it gets trapped, creating a small bump in the mouth. These cysts are non-cancerous and often go away on their own, but sometimes they need treatment. Causes: Why Do They Form? The most common cause of a mucous cyst is injury or irritation. This can happen due to: ● Biting your lip or cheek (accidentally or as a habit) ● Trauma from sharp foods (like chips or hot pizza) ● Damage from dental appliances (like braces or dentures) ● Blocked or damaged salivary gland ducts Symptoms: What Does It Feel Like? ...