The paw is probably fine and will heal. I would suggest that you keep an eye on it and keep up the use of peroxide and ointment to ensure cleanliness. I speak from the recent experience of our black lab's (Bogey) osteomyelitis (bone infection). He was on antibiotics for 5 weeks and multiple x-rays to monitor progress. There was a possibility that the 'outer toe' would need amputation - but I hung in there despite the cost. We will probably never know what caused the infection, but suspect that he received an in and out puncture wound which we could never see. Anytime he limps, I am worried. I think we are doing great now - just need to figure out how to keep a 5 year old lab more calm - he LOVES to play! Sending our best wishes, Cheryl, Bogey and Fairway!