oral commissure - HEALTHY
Angular cheilitis is a common, non-contagious, inflammatory condition affecting the corners of the mouth or oral commissures. Depending on the underlying cause, it may last a few days or persist indefinitely. Mild angular cheilitis causes discomfort and tightness at the oral commissures.
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It may also cause flaky skin and discoloration, along with discomfort when the mouth is opened wide. Explore the anatomy and function of oral commissures, their importance in facial expressions and oral health, and learn about clinical considerations for maintaining healthy oral commissures. A variety of methods have been described in the literature, though generally arise from 2 basic techniques. Herein is a description of the basic principles and techniques for reconstruction of the oral commissure including modifications and considerations for complex scenarios.
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Angular cheilitis, also known as perlèche, is diagnosed clinically by the presence of inflammation, maceration and fissuring of the oral commissures. Affected patients may complain of a burning sensation or tenderness at the corners of the mouth. The oral commissure is the corner of the mouth where the upper and lower lips meet. Its normal appearance is symmetrical, varies with age, and is crucial for facial expressions. Common issues include aging-related drooping and inflammatory conditions like angular cheilitis.
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For painful fissures in the oral commissure (corners of the mouth), topical application of petrolatum or lip balm is recommended as first-line treatment, combined with topical antibiotics if infection is suspected. 1 The surface of the lip is comprised of four zones: hairy skin, vermilion border, vermilion and oral mucosa. The normal shape of the lips varies with age, and is influenced by ethnicity.