Hi:Normally sometimes there is more swelling and bruising on the third day post op. It’s best to have your dentist reevaluate the area to make sure all is ok.Best,Dr. Maddahi.
Hello!
If it's just a week after your graft, I don't see a reason to be too concerned about. From what you're describing it sounds like it could be some of the grafting material. You can always go into your dentist and have them take a look too.
Good luck!