MarketplaceBleaching Your TeethPosted on April 16, 2010. What is the effect of whitening teeth while you have gingivitis? What is the effect of bleaching teeth (as with PlusWhite) even if you have gingivitis? it may aggravate gingivitis due to chemical bleaching teeth causes inflammation of the gums, even if you do not have gum problems in the first place. The only negative real teeth whitening is that the teeth can become sensitive to hot or cold foods or sugary foods / liquids. So stop using the bleach if you have a sensitivity to cold liquids later. CommentsThere are no comments.Leave a Comment | Popular My Friends |