May not be painful now, but it will become a site for chronic infections if it isn't dealt with, things wil get much worse, and those can be dangerous. Do a search for hyperbaric oxygen treatments, or O2 dives, and you will likely find threads where people have discussed this healing issue.

Brian, stage 4 oral cancer survivor. OCF Founder and Director. The first responsibility of a leader is to define reality. The last is to say thank you. In between, the leader is a servant.