Can Dental Laser Care Help a Painful Canker Sore? Transcript accompanies the approved October 15, 2026 edition. Tired of waiting two painful weeks for a canker sore to heal? Here's a shortcut. Using soft tissue dental lasers, we safely seal nerve endings and kill bacteria in under two minutes without touching the sore. You get instant pain relief and heal in a fraction of the time. Call us and schedule your appointment to treat this so you don't have to deal with those painful ulcers again.