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

https://devinjdan182.cavandoragh.org/whitening-for-delicate-teeth-how-we-decrease-discomfort

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