What is that growth?

I had my tooth extracted Jan 3rd and it was fine up until last week. Put in an old mouth piece for boxing so I’m thinking it might be an infection. Going to dentist Monday but what do yall think?

I had my tooth extracted Jan 3rd and it was fine up until last week. Put in an old mouth piece for boxing so I’m thinking it might be an infection. Going to dentist Monday but what do yall think?