Oral Mucosa Leukoplakia, also known as leukoplakia of buccal mucosa, is related to leukoplakia and oral leukoplakia. An important gene associated with Oral Mucosa Leukoplakia is CYB5RL (Cytochrome B5 Reductase Like), and among its related pathways/superpathways are Transport of inorganic cations/anions and amino acids/oligopeptides and PAK Pathway. The drugs Rosiglitazone and Celecoxib have been mentioned in the context of this disorder.