i tried crest 3d whitening strips 1 hour express and it made my gums very red and swollen and sensitive where it touched the strips. its been 4 days now and no sign of getting better. They are so uncomfortable I can't eat. And I can barely brush and forget flossing. What should I do?
Answers (2)
From board-certified doctors and trusted medical professionals
The appearance of white patches can be troubling when you are actually trying to improve the appearance of your teeth.
Though you may find it hard to believe, the white patches were already on your teeth, only they were not as white, as they were stained the same way your teeth are. The...