Decrease level of sensitivity throughout whitening with desensitizing gels or toothpaste consisting of potassium nitrate or fluoride
https://www.mediafire.com/file/bhwihrk6c5nx022/pdf-31531-713.pdf/file
Decrease level of sensitivity throughout whitening with desensitizing gels or toothpaste containing potassium nitrate or fluoride, and follow day of rest between sessions if required.