the Healing Process of Oral Ulcers: What to Expect - Dentistry

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The condition after the healing of oral ulcers?


Hello, Doctor! About a week ago, I had a small ulcer on the inner mucosa of my right cheek.
The white area of the ulcer was about the size of a sesame seed, surrounded by redness, and I felt a stinging pain when eating and speaking.
I applied an oral ointment, and after about three to four days, it started to heal.
It is now completely pain-free, but I noticed that the area, although healed and less noticeable, still does not match the color of the surrounding tissue 100%.
The edges of the sesame-sized ulcer are slightly visible, but the center has healed, and there is a slight redness around it (much less than when it was painful).
Is this a normal situation after the healing of an ulcer? Will it eventually return to 100% without any trace? Thank you, Doctor!

Jack, 30~39 year old female. Ask Date: 2023/07/04

Dr. Lin Jiayong reply Dentistry


Hello: The guidelines for oral mucosa examination state that a wound that has not healed after two months is considered abnormal.
If you continue to observe for two months and still have concerns, it is recommended to consult an oral surgeon to see if a biopsy is necessary.

Reply Date: 2023/07/04

More Info


The healing process of oral ulcers, such as the one you described, can vary significantly from person to person, but there are some general patterns and expectations that can help you understand what you might experience.

Firstly, it is important to recognize that oral ulcers, often referred to as canker sores or aphthous ulcers, are common and usually heal on their own within one to two weeks. The initial symptoms you experienced, including pain and discomfort while eating or speaking, are typical. The white area you observed is often a sign of tissue necrosis or ulceration, while the surrounding redness indicates inflammation.
As you mentioned, after applying an oral ointment, you noticed improvement within three to four days, which is a positive sign. The fact that the pain has subsided and the ulcer appears to be healing is encouraging. The healing process typically involves several stages:
1. Inflammation: This is the initial response to injury, where the area becomes red, swollen, and painful. This phase can last for a few days.

2. Granulation Tissue Formation: As the ulcer begins to heal, new tissue starts to form. This tissue is often pink or red and may appear slightly raised.
3. Epithelialization: The final phase involves the regeneration of the epithelial layer over the ulcer. This can take a week or more, depending on the size and depth of the ulcer.

Regarding your specific situation, it is normal for the healed area to appear slightly different from the surrounding tissue. The color may not match perfectly for some time, as the new tissue may take longer to regain its normal pigmentation. The slight redness you observe is likely residual inflammation, which should gradually resolve.

In most cases, the area will continue to improve and may eventually return to a color that closely resembles the surrounding mucosa. However, complete normalization can take weeks to months, depending on factors such as the individual's healing capacity, the size of the ulcer, and any underlying health conditions.

If the area remains discolored or if you notice any new symptoms, such as increased pain, swelling, or the development of new ulcers, it would be wise to consult a healthcare professional. Persistent changes in the oral mucosa can sometimes indicate other underlying conditions that may require further evaluation.

In summary, what you are experiencing is a normal part of the healing process for oral ulcers. The area may take some time to return to its original appearance, but with proper care and monitoring, you should expect continued improvement. If you have any concerns about the healing process or if symptoms persist, do not hesitate to seek medical advice.

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