What's actually happening inside the tooth

Sensitivity happens when the enamel wears thin or the gums pull back, exposing thousands of microscopic tubules that connect directly to the nerve. Hot, cold, sweet, and even air send signals straight through those tubules. The good news: those tubules can be sealed.

Step 1: desensitizing toothpaste (yes, it works)

Toothpastes with potassium nitrate or stannous fluoride block the nerve signal over two to four weeks of daily use. They only work if used consistently — one application does nothing. After brushing, rub a small amount directly onto the sensitive area with a clean finger and don't rinse.

Step 2: check your technique

Aggressive brushing with a hard or medium brush is the leading cause of gum recession — and therefore sensitivity — in adults. Switch to a soft-bristle or electric brush with a pressure sensor. Stop sawing side-to-side; use gentle circles at 45 degrees.

Step 3: when to see us

If sensitivity lingers in one tooth, comes with pain after temperature exposure for more than 30 seconds, or wakes you at night, it's not generic sensitivity — it's a cavity, cracked filling, or exposed root that needs professional care. We can apply in-office fluoride varnish, bonding, or a quick filling that resolves it in a single visit.