Areas of carcinoma of oral mucosa can be identified by staining with:
Toluidine Blue Toluidine blue is a basic metachromatic dye with high affinity for acidic tissue components, thereby staining tissues rich in DNA and RNAQ. Wide applications both as vital staining in living tissues and as a special stain used in vivo to identify dysplasia and carcinoma of the oral cavityQ.
1% zinc chloride
2% silver nitrate
Gentian violet
2% toluidine blue
Oral cavity