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

https://beckettocln150.image-perth.org/why-professional-whitening-is-safer-for-your-enamel-4

If you clench or grind, discuss it before whitening; enamel wear and exposed dentin can heighten level of sensitivity, needing personalized protocols and gentler gels.