Hello,
The healing depends on the depth of the skin. If it is very deep involving multiple layers of skin then it may cause a small indentation. In that case laser resurfacing can be considered. But if it is superficial then it may heal with passage of time.
It is very difficult to precisely confirm a diagnosis without examination and investigations and the answer is based on the medical information provided. For exact diagnosis, you are requested to consult your doctor. I sincerely hope that helps. Take care and please do keep me posted on how you are doing.