Anyone know what this lump is?

I noticed it a few days ago, it is not painful and feels quite solid. I'm M28. Smoker.

https://m.imgur.com/a/IIOTLBh

submitted by /u/throwawayschool0101
[link] [comments]
from https://www.reddit.com/r/Dentistry/comments/gnuexi/anyone_know_what_this_lump_is/