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

https://milowbea115.theburnward.com/hydrogen-peroxide-vs-carbamide-peroxide-understanding-the-distinction

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