Shin contusion 1 week ago. was improving but now numb with intermittent shooting pain and bruising down to the inside of the ankle. bone feels dented?

Bone Bruise?: Contusions can be painful, especially tibial (shin) bone contusions. If the pain is severe and you feel a dent there, see a dr. As there is the possibility you may have suffered a hair line fracture as well. Nsaids can help to start, but best to get it checked out. Best wishes.

Get checked: If pain is intense you may have compartment syndrome if not intense likely bruised the nerves in area to cause the sharp pain.

Get X-rayed: You may have a small area of bone fracture or crack, and the bruising may be a sign. Very worthwhile to contact your doctor, get the images, and decide management. Could be likely a minor challenge?