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Angular cheilitis
Angular cheilitis, (pronounced , sometimes abbreviated to AC, and also called rhagades, perlèche, cheilosis,〔 angular cheilosis,〔 commissural cheilitis,〔 or angular stomatitis), is inflammation of one, or more commonly both,〔 of the corners of the mouth. It is a type of cheilitis (inflammation of the lips) and is the second most common type of lip infection. Angular cheilitis often represents an opportunistic infection of fungi and/or bacteria, with multiple local and systemic predisposing factors being involved in the initiation and persistence of the lesion.〔〔 Such factors include nutritional deficiencies,〔 overclosure of the mouth,〔 dry mouth,〔 a lip-licking habit,〔 drooling,〔 immunosuppression,〔 and others, such as the wearing of poor fitted dentures. Treatment for angular cheilitis varies based on the exact causes of the condition in each case, but often an antifungal cream is used among other measures. It is a fairly common problem,〔 and is more prevalent in people without any natural teeth who wear dentures,〔 and in elderly people, although it may also occur in children.〔
==Classification==
Angular cheilitis could be considered to be a type of cheilitis or stomatitis. Where Candida species are involved, angular cheilitis is classed as a type of oral candidiasis, specifically a primary (group I) Candida-associated lesion. This form angular cheilitis which is caused by Candida is sometimes termed "Candida-associated angular cheilitis",〔 or less commonly, "monilial perlèche".〔 Angular cheilitis can also be classified as acute (sudden, short-lived appearance of the condition) or chronic (lasts a long time or keeps returning), or refractory (the condition persists despite attempts to treat it).
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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