If you clench or grind, discuss it before whitening; enamel wear and exposed dentin can heighten level of sensitivity

https://martinvddt734.iamarrows.com/is-teeth-whitening-safe-expert-safety-tips-and-standards

If you clench or grind, discuss it before whitening; enamel wear and exposed dentin can increase sensitivity, needing tailored procedures and gentler gels.