Over-the-counter products for the treatment of tooth sensitivity are considered to be a simple and cost-effective first line of treatment for most patients.18 The primary at-home non-invasive treatment option has historically been anti-sensitivity dentifrices. The two most common ingredients are potassium nitrate, which interferes with the transmission of the nerve impulse, and stannous fluoride, which blocks dentinal tubules by forming a smear layer at the surface.
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