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

https://www.mediafire.com/file/mzdo4rt1irmv9y7/pdf-66295-4519.pdf/file

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