<unk>  is a benign condition characterized by deep grooves <unk>  in the dorsum of the tongue. Although these grooves may look unsettling, the condition is usually painless. Some individuals may complain of an associated burning sensation. It is a relatively common condition, with a prevalence of between 6.8% and 11% found also in children. Often hereditary, it may also be part of degenerative process. The prevalence of the condition increases significantly with age, occurring in 40% of the population after the age of 40.
Fissured tongue
Crenated tongue
Caviar tongue
Black hairy tongue
Overbite
Geographic tongue
Oedema glottidis
Onychomadesis