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

https://www.mediafire.com/file/bkq250x6aqlwhev/pdf-69142-56044.pdf/file

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