Can I use Crest Whitestrips on my teeth if I have tooth decay? Many people wonder if they can use Crest Whitestrips when they have tooth decay. While Crest Whitestrips are effective for whitening teeth, it's important to consider your oral health first. Tooth decay affects the enamel, and using whitening strips on decayed teeth may cause discomfort or further damage. Read more:- https://thewhitesmilesuk.bcz.com/2025/03/12/can-i-use-crest-whitestrips-on-my-teeth-if-i-have-tooth-decay/