Mucoceles may have these traits:<\/p>\n
Where does an oral\u00a0cyst<\/a>\u00a0come from? It centers on a small salivary gland, which makes\u00a0saliva<\/a>\u00a0in your\u00a0mouth<\/a>.<\/p>\n Here\u2019s what happens:<\/p>\n Your saliva moves from a salivary gland through tiny tubes (ducts) into your mouth. One of these ducts can become damaged or blocked. This most often happens if you repeatedly bite or suck on your lower lip or cheek.<\/p>\n<\/section>\n What happens once the duct damage is done?\u00a0Mucus<\/a>\u00a0seeps out, pools, becomes walled off, and causes a cyst-like swelling. A similar buildup happens when the duct has become blocked.<\/p>\n A few other common causes include:<\/p>\n\n