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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]
It turns moist litmus pink (being acidic), then white (due to its bleaching effect). It may be identified by bubbling it through a dichromate solution, turning the solution from orange to green (Cr 3+ (aq)). It can also reduce ferric ions to ferrous. [21] Sulfur dioxide can react with certain 1,3-dienes in a cheletropic reaction to form cyclic ...
Morsicatio buccarum is a condition characterized by chronic irritation or injury to the buccal mucosa (the lining of the inside of the cheek within the mouth), caused by repetitive chewing, biting, or nibbling.
The oxidation of reduced sulfur compounds is performed exclusively by Bacteria and Archaea.All the Archaea involved in this process are aerobic and belong to the Order Sulfolobales, [20] [21] characterized by acidophiles (extremophiles that require low pHs to grow) and thermophiles (extremophiles that require high temperatures to grow).
Sulfonated phenolics/sulfuric acid appears to be more effective on sores in areas of the mouth that produce less saliva. Since a sore must be dry prior to application of Debacterol, it is difficult to properly apply under the tongue. The duration of pain relief and the overall effectiveness may be reduced in such areas. [citation needed]
An aphtha (plural aphthae) is a non specific term that refers to an ulcer of the mouth. The word is derived from the Greek word aphtha meaning "eruption" or "ulcer". [ 9 ] The lesions of several other oral conditions are sometimes described as aphthae, including Bednar's aphthae (infected, traumatic ulcers on the hard palate in infants), [ 30 ...
Pressure ulcers can trigger other ailments, cause considerable suffering, and can be expensive to treat. Some complications include autonomic dysreflexia, bladder distension, bone infection, pyarthrosis, sepsis, amyloidosis, anemia, urethral fistula, gangrene and very rarely malignant transformation (Marjolin's ulcer – secondary carcinomas in chronic wounds).
Sulfurous acid is commonly known to not exist in its free state, and due to this, it is stated in textbooks that it cannot be isolated in the water-free form. [4] However, the molecule has been detected in the gas phase in 1988 by the dissociative ionization of diethyl sulfite. [5]