Sensitivity
Burning, gagging, cold shocks — and the ingredients behind them.
Mint & burning
Why toothpaste stings, foams and makes people gag.
Check the Height Before Anything Else
A sensitive tooth for a few weeks after a filling is expected. One specific cause gets missed constantly, and it is fixed in minutes with a strip of paper.
For Many People It Is the Toothpaste
For a large number of people the cause is the toothpaste, and switching tubes ends years of them. Here is the rest of the list and what to do while one heals.
Breathe Through Your Nose. It Delays It.
Gagging while you brush is a choking reflex triggered by a toothbrush. Two tricks from people who live with it work at once, and neither involves willpower.
The Difference Is Whether It Lingers
Teeth sensitive to cold are teeth with exposed dentin. One dentist drew the line between normal and worth-checking in a single sentence about how long it lasts.