Do not worry,  it's a common problem . These is a small injury in the joining fibres between tooth and bone. avoid eating on that side. It will take care of itself. hope this helps. good day.

firstly now for a week avoid eating hard food and strictly no pulling force the pain might subside on its own with in 2 days and if not u need to visit the dentist usually canine tooth have good anchorage due to its long root and does not get mobile until it has some periodontal pathology then it becomes loose don't wory if problem persists u need to get yourself checked with a dentist at the earliest