Hi, I got 4 wisdom teeth extracted exactly a week ago. I have no pain or irritation around the sites, but on my lower left jaw, a little inn front of the site, is a hard lump. It's a little sore, and hurts a little when I wash my face and stuff. I had my follow up with my dentist today, and he looked at it VERY quickly and said it was probably due to bone re growth. He just looked so fast and hurried out, I just wondered if he's probably right, or if I should have someone else look at it