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Xerostomia is the subjective sensation of dry mouth, which is often (but not always) associated with hypofunction of the salivary glands. [3] The term is derived from the Greek words ξηρός (xeros) meaning "dry" and στόμα (stoma) meaning "mouth". [4] [5] A drug or substance that increases the rate of salivary flow is termed a sialogogue.
Chronic dry mouth is prevalent in a high proportion of the elderly population, affecting roughly one fifth of the group. [25] There has been a link between dry mouth and comorbid diseases including diabetes, Alzheimer's or Parkinson's disease [14] [16] Additionally, xerostomia can arise from general dehydration. [26]
Dry mouth (also called xerostomia) can be caused by dehydration, says Hoss, which reduces saliva production. Drinking enough water is a key part of maintaining oral health and preventing bad breath.
Salivary gland dysfunction affects the flow, amount, or quality of saliva produced. A reduced salivation is termed hyposalivation.Hyposalivation often results in a dry mouth condition called xerostomia, and this can cause tooth decay due to the loss of the protective properties of saliva.
Angular cheilitis typically starts with a red dry patch on the corners of the mouth. It can be on one or both sides, with a dry, scaly appearance, according to the Cleveland Clinic.
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Angular cheilitis can be caused by infection, irritation, or allergies. [2] Infections include by fungi such as Candida albicans and bacteria such as Staph. aureus. [2] Irritants include poorly fitting dentures, licking the lips or drooling, mouth breathing resulting in a dry mouth, sun exposure, overclosure of the mouth, smoking, and minor ...
Burning mouth syndrome (BMS) is a burning, tingling or scalding sensation in the mouth, lasting for at least four to six months, with no underlying known dental or medical cause. [ 3 ] [ 7 ] No related signs of disease are found in the mouth. [ 3 ]
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