If gums whiten or sting, eliminate gel, rinse
https://www.instapaper.com/read/2003101834
If gums whiten or sting, remove gel, rinse, and apply vitamin E oil; decrease gel volume next time and ensure trays aren't striking soft tissues.
If gums whiten or sting, remove gel, rinse, and apply vitamin E oil; decrease gel volume next time and ensure trays aren't striking soft tissues.