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Diagramatic representation of mucosal erosion (left), excoriation (center), and ulceration (right) Simplistic representation of the life cycle of mouth ulcers. An ulcer (/ ˈ ʌ l s ər /; from Latin ulcus, "ulcer, sore") [2] is a break in the skin or mucous membrane with loss of surface tissue and the disintegration and necrosis of epithelial tissue. [3]
The mouth may act as a reservoir of Candida that reinfects the sores at the corners of the mouth and prevents the sores from healing. [citation needed] A lesion caused by recurrence of a latent herpes simplex infection can occur in the corner of the mouth. This is herpes labialis (a cold sore), and is sometimes termed "angular herpes simplex". [2]
The roots of the upper teeth are anchored into a bone called the maxilla, more commonly known as the hard palate, at ridges called the alveolar process. The roots of the lower teeth are anchored into a bone called the mandible, more commonly known as the jaw, at their respective alveolar processes.
Numerous itchy blisters are found on the face and body. Blisters could also be found on inner cheek and palate of the mouth. [18] Herpes zoster/shingles: Viral infection caused by reactivation of latent varicella zoster virus and found in adults. Patients can present with acute pain before or after the onset of blisters.
The presence of buccal exostosis can be diagnosed by both clinical examination and radiological interpretation of the oral cavity. Clinically, buccal exostoses appear as single, broad-based masses, usually situated bilaterally in the premolar and molar region on the facial surface of the maxillary alveolar bone. [11]
The most common location of dry socket: in the socket of an extracted mandibular third molar (wisdom tooth). Since alveolar osteitis is not primarily an infection, there is not usually any pyrexia (fever) or cervical lymphadenitis (swollen glands in the neck), and only minimal edema (swelling) and erythema (redness) is present in the soft tissues surrounding the socket.
The pain does not normally transfer across the face, only upward or downward as the nerves that serve each side of the face are separate. Severe aching and discomfort on the side of the face where the tooth is infected is also fairly common, with the tooth itself becoming unbearable to touch due to extreme amounts of pain.
2. Pain and dysphagia (i.e. difficulty swallowing) – usually unilateral affecting the parotid or submandibular regions, with worse pain during eating and swallowing. 3. Facial swelling – usually unilaterally and affecting parotid region, under the tongue, or below the jaw. May have acute onset and may have a history of repeated episodes. 4.