Does teeth whitening last long?

I've wanted to get teeth whitening for a long time.

However, I am curious whether the whitening effect lasts after the treatment.

Because I drink coffee every day,

I'm also hesitant, wondering if it will quickly return to its original color afterward.

Does teeth whitening last?

Factors and correlations related to tooth discoloration caused by lifestyle habits

Thinking about it, I hesitate to do it easily.