Brush your tongue gently every day
Rinse your mouth with water after meals
Stay well hydrated
Avoid spicy, acidic, and very salty foods if they irritate your tongue
Avoid tobacco and limit alcohol
Use a mild alcohol-free mouthwash
Keep dentures or dental appliances clean and properly fitted
Treat dry mouth if present
Maintain good oral hygiene
See a dentist or doctor if you have pain, swelling, bleeding, bad odor, or signs of infection
Get checked if the fissures are new, worsening, or associated with other symptoms