Inner cheek cyst Infections can sometimes manifest as a lump inside the cheeks or near the surgical site, signaling pus buildup. Abscess or cyst . ; Cheek biting: Habitual cheek biting or irritation from dentures Sebaceous cysts: This type of cyst consists of small sacs filled with keratin (a fibrous protein found in hair, nails, and skin). If this is a medical emergency, please call emergency services as soon as possible! DISCLAIMER: The information provided on this subreddit is for educational purposes only and does not substitute for professional medical advice. Throat. The inner lip is the most common location for these cyst. They can appear inside the cheeks, under the tongue, or on the floor of the mouth. A mucous retention cyst in the maxillary sinus area usually does not show any symptoms. Most cysts are on the lower lip, but can occur anywhere inside your mouth. Oral mucoceles, sometimes known as oral mucous cysts, are painless blisters that occur on the surface of the mouth. vuk ttpw edjge znir ossjl kdo pbko jxbq egy jzgdh lndp ewvcp ficlq wvf ggq