The meta-analysis showed that the desensitizing agents, potassium nitrate and sodium fluoride, reduce tooth sensitivity in tooth bleaching treatments. Ref: Wang Y, et al. Journal of Dentistry 2015. Link: https://www.sciencedirect.com/science/article/abs/pii/S0300571215000834 2. The systematic review and follow-up analysis shows that potassium nitrate is effective in the treatment of Dentinal Hypersensitivity. Ref: Marto CM, et al. J Oral Rehabil. 2019 Link: https://onlinelibrary.wiley.com/doi/ab