That Wince When You Breathe Cold Air? Your Teeth Are Telling You Something.

Ice cream. Cold air on a winter walk. A sip of hot coffee. If any of these send a sharp jolt through your teeth, you're one of the roughly 1 in 3 UK adults with sensitive teeth. Here's what's actually happening — and how to fix the cause instead of masking the symptom.

What sensitivity really is

Under your enamel sits dentine — a layer full of microscopic fluid-filled channels that lead straight to the nerve. When enamel wears thin or gums recede, those channels are exposed. Temperature changes move the fluid, the nerve fires, and you wince. Sensitivity isn't a nerve problem; it's an exposure problem.

The usual suspects

• Overbrushing — hard bristles and aggressive scrubbing wear enamel at the gumline
• Acid erosion — fizzy drinks, citrus, wine and reflux soften and thin enamel
• Whitening treatments — peroxide-based products temporarily open dentine channels
• Gum recession — exposes root surfaces that never had enamel to begin with
• Grinding — night-time clenching cracks and thins enamel over time

Why most sensitivity toothpastes only mask the problem

Conventional sensitivity toothpastes work by numbing the nerve (potassium nitrate) — stop using them and the pain returns, because the channels are still open. The alternative approach: physically seal the channels. Medical hydroxyapatite bonds to the tooth surface and plugs exposed dentine tubules with the same mineral your enamel is made of.

The seal-it-at-the-source routine

1. Daily: brush gently, twice a day, with ApaCare Remineralising Toothpaste — soft brush, light pressure, spit don't rinse.
2. Targeted: paint ApaCare Varnish onto specific sensitive spots 1–2× a week — professional-style protection at home.
3. Intensive: for post-whitening or persistent sensitivity, apply ApaCare Repair Gel overnight for a concentrated remineralising layer.

Most users feel a difference within days, with cumulative improvement over 2–4 weeks as the mineral layer rebuilds.

When to see your dentist

Sudden severe sensitivity in a single tooth, pain that lingers minutes after the trigger, or sensitivity with visible damage warrants a dental appointment — it can signal a crack or decay that needs treatment.

Browse everything for sensitivity in one place: the Sensitive Teeth collection.