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

https://www.mediafire.com/file/o3befn9icv9m7xv/pdf-54850-44416.pdf/file

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