If gums whiten or sting, eliminate gel, rinse
https://www.instapaper.com/read/2003460525
If gums whiten or sting, eliminate gel, rinse, and apply vitamin E oil; reduce gel volume next time and guarantee trays aren't impinging on soft tissues.
If gums whiten or sting, eliminate gel, rinse, and apply vitamin E oil; reduce gel volume next time and guarantee trays aren't impinging on soft tissues.