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

https://www.mediafire.com/file/m62as8dkwoajm6m/pdf-11710-9750.pdf/file

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.