The time required for emergency dental care in Calgary NW, SE, SW, or NE for a chipped, cracked, or broken tooth is determined by the method required to correct the problem. Every session with the dentists begins with an emergency exam that lasts for about half an hour. In addition, other techniques require different amounts of time: - 30-40 mins for filling - 70-90 mins for the crown - 50-80 mins for the veneer - 1-2.5 hours for a root canal