Like Mr. Z said, adding would be a wiser and safer decision than trying to take anything away. The trigerminal nerve might not be directly where the procedure site might be, but it still a big risk. It could also affect the dendrites in the lower jaw. Whereas this is not as big of a deal as contending with the nerve, it could be risky.
The pics you posted do not help to illustrate the problem very well. Maybe post a few more? You can see there is a difference, but it appears very slight. I was going to tell you to post a frontal shot, and then upon further scrutiny of your post, you said it is not detectable from the front. If the difference is slight, it might not be worth it to try to undergo a potentially risky procedure.
Also, if you do post additional pictures or have more info and/or questions, you might want to start a new thread.
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