Crest Whitestrips have been popular with some patients. While they are much weaker than in-office bleaching of teeth, they do whiten the teeth a little bit, and they have been thought to be a very mild form of whitening with no real risks.
However, there is a posting on the mynewsmile blog that came to our attention. Someone who was using Crest Whitestrips had a tooth that became so sensitive that it needed a root canal treatment. It reinforces what we have been telling patients for a long time, that the safest way to bleach your teeth is under the direct supervision of a dentist.
Read the posting about Crest Whitestrips risks.