Lingua plicata
Lingua plicata, also known as fissured, scrotal or plicated tongue or dissecting glossitis, represents one deep or multiple grooves on the dorsal surface of the tongue. It is an idiopathic, mostly incidentally discovered variant which occurs relatively frequently (up to 20 % in the general population). The grooves and fissures can disappear spontaneously. Because microorganisms and debris accumulate, halitosis, local irritation and inflammation can occur. In this case, mechanical washing and tongue brushing are a sufficient treatment. Lingua plicata is more common in people with Melkersson-Rosenthal syndrome (MRS), down syndrome, Sjögren syndrome, psoriasis or chronic granulomatous disease and is in approximately 20 per cent of cases accompanied by the geographic tongue condition.
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