If you clench or grind, discuss it before whitening; enamel wear and exposed dentin can heighten level of sensitivity
https://devinjdan182.cavandoragh.org/how-to-whiten-your-teeth-before-a-significant-occasion-or-wedding-1
If you clench or grind, discuss it before whitening; enamel wear and exposed dentin can increase level of sensitivity, needing customized protocols and gentler gels.