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Black hairy tongue is a harmless condition which causes blackening pigmentation on the dorsum of the tongue. It is a very common oral condition and affects 13% of the world population. It is often due to poor oral hygiene which leads to accumulation of oral bacteria and build up of keratin on the tongue surface.
Black hairy tongue syndrome (BHT [4]) is a condition of the tongue in which the small bumps on the tongue elongate with black or brown discoloration, giving a black and hairy appearance. The appearance may be alarming, but it is a harmless condition.
The tongue is moved side to side and inspected; it should be pink, moist, smooth and glistening. Assessment of the ventral (bottom) surface of the tongue is done by having the patient touch the tip of their tongue against the roof of their mouth. If healthy, it should have prominent veins and be pink, smooth, moist, glistening and free of lesions.
The tongue is only one of the 10 ways you can see disease written all over your face. There are a whole host of other reasons for bumps on the tongue. Bumps on the tongue come in many other varieties.
Also known as benign migratory glossitis, experts cover the symptoms, causes, diagnosis, and treatment of geographic tongue.
Poor diet can cause malnutrition and nutritional deficiencies. Deficiency of iron, B vitamins and folic acid are common causes for atrophic glossitis. Black hairy tongue - some factors thought to cause black hairy tongue are environmental, such as eating a soft diet, poor oral hygiene, smoking and antibiotic use.
Cyanosis is the change of body tissue color to a bluish-purple hue, as a result of decrease in the amount of oxygen bound to the hemoglobin in the red blood cells of the capillary bed. [1] Cyanosis is apparent usually in the body tissues covered with thin skin , including the mucous membranes , lips, nail beds , and ear lobes. [ 1 ]
Crenated tongue is usually asymptomatic and harmless. [3] It is not a disease as such, but usually results from habits where the tongue is pressed against the lingual surfaces (the side facing the tongue) of the dental arches, or from any cause of macroglossia (enlarged tongue), [3] which in itself has many causes such as Down syndrome.