Table 1. Oral mucosal variations reported in literature.

Oral variations	Prevalent normal variations reported in the literature
Fissured tongue	[1–3,11,13,14]
Crenated tongue	[11]
White and black hairy tongue	[1,13]
Coated tongue	[2,3,11,14]
Sublingual varices	[11,13–15]
Hyperpigmented mucosa	[2]
Depapillated tongue, including geographic tongue	[1,2,13]
Linea alba	[3,15,16]
Fordyce granules	[1,3,13,15]
Torus palatinus	[14]
Torus mandibularis	[14]