When is it safe to resume playing the piano after a scaphoid fracture is healed?

Right away! If your doctor has confirmed that your fracture has healed, you can start playing again. Start slow and gradually build up to your pre-injury playing frequency!
As pain permits. Returning to light activities, such as piano, as soon as xrays demonstrate a healed fracture, is encouraged. Sometimes such activities can even be started before the fracture is entirely healed -.
As soon as healed. As soon as the fracture is healed, you should be permitted to practice piano.