Cigarette smoking and vaping cause persistent tooth discoloration; stopping

https://andersonwmsf170.yousher.com/in-office-vs-at-home-teeth-whitening-your-guide-to-specialist-teeth-whitening-gilbert-and-affordable-teeth-whitening-gilbert-az-2

Smoking and vaping cause persistent tooth discoloration; stopping and whitening together can drastically improve tooth brightness and total oral health.