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Q. Do ulcers with white spots inside the mouth after extraction suggest cancer?

Answered by
Dr. Geeth Sadasivam
and medically reviewed by Dr. Vinodhini. J
This is a premium question & answer published on Jan 16, 2020

Hello doctor,

Ulcers are formed after getting a tooth extraction and have gotten worse and not gone away. They have been there for a month. I am worried it is oral cancer. Also, my tongue is sensitive and my tongue is slightly white, I also got white spots on the inside of my cheek and irritated red spot on my tongue and the roof of the mouth. I was taking Amoxicillin.



Welcome to

I have read through your complaint and the relevant details and also saw the pictures you have attached. (attachment removed to protect patient identity).

The oral ulcer at the corner of your mouth seems to be formed by some external irritating factors like a toothbrush hurt. If that is the same area where tooth extraction was done, it looks perfectly healed. So the ulcer close by can also heal equally. The red and white spots are nothing but oral ulcers that have recurred every now and then. Maybe that is why you say that it is there for more than a month.

Also, I find that you have done tongue piercing. I suspect that is the reason for the red spot ulcers over the roof of your mouth. This also is an indicator of difficulty in maintaining tongue hygiene which resulted in a white tongue. Oral ulcers can be treated by applying a small amount of Dentogel 15 gm on the affected area with clean fingers three to five times daily. Make sure you maintain good oral hygiene too.

Recurrent mouth ulcers also refer to vitamin B deficiencies for which please eat nutritious whole fruits and veggies instead of fried and fast food. Please do not relate it to cancer and get panicked. Once the rooting cause for oral ulcers are removed, then it will heal normally and might not come back. You will be fine.

Investigations to be done:

Blood check for vitamin deficiencies.

Preventive measures:

Tongue cleanliness: Scraping tongue with blunt plastic tongue cleaner or with the back of the toothbrush head.

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