Should my teeth have darkened after Zoom Whitening?

I got Zoom whitening about 3 weeks ago. For the first 3 days after treatment, my teeth were really white. I stuck to my dentist’s instructions on what to/what not to eat, drink etc. My teeth are not as white as they first were.  Will this happen again after the next whitening process? – LyneRead… Continue reading Should my teeth have darkened after Zoom Whitening?