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tooth numbing drugs

With an estimated 50 million Americans suffering from sensitive teeth, this is a big problem.  To combat this issue, most sensitive toothpaste uses drugs (potassium nitrate) to temporarily numb the nerves of the teeth, but when the drug wears off, the tooth pain returns. 

Also, every time you brush your teeth with sensitive toothpaste with potassium nitrate, this nerve numbing drug is absorbed through the gums and enters the bloodstream…. not ideal for health-conscious consumers. 

Instead of using drugs in our toothpaste to numb the nerves, Davids uses hydroxyapatite to repair the tooth and block the passageways to the nerves.


nano-hydroxyapatite (n-Ha for short), was developed by NASA to repair and regenerate bone and enamel that astronauts were losing while in a zero-gravity environment in space. 

Davids has now incorporated this same cutting edge ingredient in our Sensitive+Whitening Hydroxyapatite Toothpaste to create a revolutionary advancement for those who suffer from sensitive teeth. The breakthrough proprietary formula of Davids Sensitive+Whitening toothpaste works to repair the tooth as hydroxyapatite is deposited inside the passageways to the nerves (tubules), where the bio-active material bonds to the inner tooth surface to plug the tubules and stop sensitivity at its source.


300x magnification of a human tooth. Image shows the holes (tubules) normally found in teeth along the gumline. As gums recede, the tubules are exposed and act as passageways to the tooth nerves causing sensitivity.


same tooth (300x magnification) after five days of twice daily brushing with Davids hydroxyapatite (n-HA) toothpaste. The bioactive nano material enters the tubules and bonds to the tooth surface, plugging the passageways to the nerves and reducing sensitivity.