Why Your Tongue's Coating Disappeared After a Burn Injury

After the tongue has healed from an injury, the coating on the tongue may disappear?

A few days ago, I drank soup that was too hot and burned one-quarter of my tongue.
Later, the surface of that quarter of my tongue became red and developed blisters.
After that, I took medication and applied ointment.
Once it healed, the surface of my tongue became very smooth, and the normal texture of the tongue coating disappeared.
What could be the reason for this? Do I need to see a doctor?

wise633, 30~39 year old female. Ask Date: 2019/09/06

Dr. Zeng Guanghui reply Dentistry

After the tongue is burned and heals, if the tongue coating pattern is gone, it indicates inflammation of the mucosal surface of the tongue.
It is advisable to consult a dentist for further examination.

Reply Date: 2019/09/06

More Info

Burn injuries to the tongue, particularly from consuming hot liquids, can lead to a range of symptoms and changes in the oral mucosa, including the coating of the tongue. When you burn your tongue, the immediate response is inflammation, which can manifest as redness, swelling, and the formation of blisters. This is a natural reaction of the body to injury, as it attempts to protect the damaged tissue and initiate the healing process.

The coating of the tongue, often referred to as "tongue coating" or "tongue fur," is primarily composed of dead cells, bacteria, and food particles. It can vary in thickness and color depending on various factors, including oral hygiene, diet, and overall health. After a burn injury, the affected area may undergo significant changes. The loss of the tongue's coating, leading to a smooth appearance, can occur for several reasons:
1. Destruction of Papillae: The tongue's surface is covered with tiny projections called papillae, which contain taste buds and contribute to the texture of the tongue. A burn injury can damage these papillae, leading to a loss of the normal coating and a smooth appearance.

2. Healing Process: As the tongue heals, the regeneration of the epithelial cells can temporarily alter its appearance. The new cells may not yet have developed the typical texture and coating, resulting in a smooth surface.

3. Inflammation and Infection: If the burn is severe or if there is an infection, the inflammatory response can further affect the tongue's appearance. Inflammation can lead to changes in the normal flora of the mouth, which may also contribute to the loss of the tongue coating.

4. Medication Effects: If you are using topical medications or oral medications to treat the burn, these can also influence the appearance of the tongue. Some medications may alter the normal bacterial balance in the mouth or affect the healing process.

In most cases, the smooth appearance of the tongue after a burn injury is temporary and should improve as the tissue heals. However, it is essential to monitor the healing process. If you notice any signs of infection, such as increased redness, swelling, pain, or discharge, or if the smoothness persists for an extended period, it is advisable to consult a healthcare professional. They can assess the injury, provide appropriate treatment if necessary, and ensure that the healing process is proceeding normally.

In summary, the disappearance of your tongue's coating after a burn injury is likely due to the damage to the papillae and the healing process. While it is usually not a cause for concern, keeping an eye on your symptoms and seeking medical advice if needed is always a good practice. Maintaining good oral hygiene and avoiding irritants, such as spicy or acidic foods, can also aid in the healing process.

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