Ask a Dentist. Get Answers to Your Dental Questions.
Thank you for your question and for choosing justanswer.com
NO. It is not likely to be something serious.
"Shadows" at the top (apex) of a tooth's root is almost invariably an abscess. Ocasionally it may be a cyst.
What has your dentist recommended?
Dr. John BDS PhD
I can only repeat my previous answer, this is nothing to concern yourself with.
At worse, this is a cyst that may need removal. It will not be cancer. Cancer does not present like this.
Please stop worrying about this, it is a routine dental problem.
* If you found my answer helpful, please press the "ACCEPT" button.
* Positive feedback is always appreciated.
* If for any reason you have a further question related to this answer, please contact me.
Good luck and my very best wishes,