<unk>  is a common condition, affecting 2-3% of the adult general population, although other sources report a prevalence of up to 14%. It is one of the most common tongue disorders that occurs in children. The condition often starts in childhood, sometimes at an early age, but others report that the highest incidence occurs in the over 40 age group. Females are sometimes reported to be more commonly affected than males, in a 2:1 ratio, although others report that the gender distribution is equal. Clinical Implications
Geographic tongue
Mouth ulcer
Caviar tongue
Glossitis
Linitis plastica
Lichen planus
Fissured tongue
Oral candidiasis