A condition in which fissures develop in the tongue which can make it look winkled is called scrotal tongue. There are few other names given to the condition which are like furrowed tongue, lingua fissurata, lingua plicata, lingua scrotalis, plicated tongue or grooved tongue. There can be occurrence of many fissures or a single groove down the middle of the tongue with fissures branching off from it. Scrotal tongue has affected a population of between 1 to 5 percent in the United States and 21 percent worldwide.
Usually the condition is present at the time of birth but it comes into notice only when a person gets older. The symptoms of the condition get more noticeable when a person ages. The condition sometimes occurs as result of infection or malnutrition. Also, people with conditions Melkersson-Rosenthal syndrome, Down syndrome, and benign migratory glossitis, or geographic tongue are most vulnerable.
Usually this condition cannot be diagnosed till the time a dentist tells you about it. The dentist can diagnose the condition by looking at the tongue.
There has been no way established that can help you prevent the fissures from occurring on the tongue.
There has been no treatment for the condition. If there is an occurrence of burning and infection, you must avoid foods that cause it. You must also follow proper tongue hygiene, which includes cleaning the tongue daily with a special tongue scraper.
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Read more on Scrotal Tongue Prevention.