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

https://beckettocln150.image-perth.org/why-expert-whitening-is-safer-for-your-enamel

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