Tooth pain when drinking cold

Sharp, brief pain when cold food or drink touches a tooth is one of the most common dental complaints. It ranges from harmless (dentin sensitivity) to serious (deep decay or a cracked tooth) — the differentiator is whether the pain lingers.

When should you see a dentist?

Not urgent

Sharp but brief pain (under 5 seconds) triggered only by cold, on multiple teeth, that stops immediately once the cold source is removed. Usually dentin sensitivity from receded gums or thin enamel.

What to do: Try a desensitizing toothpaste (Sensodyne, Colgate Sensitive) for 2-4 weeks. Avoid whitening toothpastes temporarily. If sensitivity persists, see a dentist for a non-urgent evaluation.

See a dentist within a week or two

Pain focused on one specific tooth, that lingers 10-30 seconds after the cold source is gone, or that's getting more intense over weeks.

What to do: Book a routine dental appointment. Likely causes: a cavity, a cracked filling, exposed root surface, or early pulpitis (nerve inflammation).

See a dentist urgently (same-day if possible)

Prolonged sharp pain (minutes) after cold exposure, spontaneous pain that wakes you at night, or pain when biting — especially if the tooth also hurts to heat or when tapping on it.

What to do: Call for an emergency appointment. This can signal irreversible pulpitis or an infection requiring a root canal. Untreated infections can spread and become serious.

Possible causes

Dentin sensitivity from receded gums

Most common

Gums recede over time (from aggressive brushing, gum disease, or aging), exposing the sensitive root surface which has no enamel protection.

Typical treatments:Dental Cleaning ($105)Deep Cleaning ($275)

Small cavity (early tooth decay)

Common

Decay is close enough to the nerve to trigger a response but hasn't reached it yet. Cold reaches the pulp faster than warm.

Typical treatments:Tooth Filling ($210)

Cracked tooth or filling

Common

A crack lets cold liquid reach the inner tooth. Cracks often don't show on x-rays and can be tricky to diagnose.

Typical treatments:Dental Crown ($1150)Root Canal (Molar) ($1050)

Recent whitening or dental work

Temporary — resolves in days

Whitening treatments and recent fillings can cause temporary sensitivity that fades within 1-2 weeks.

Pulpitis (nerve inflammation)

Less common — but serious

Persistent pain that lingers after the cold source is gone signals inflammation of the tooth's nerve. Reversible pulpitis can be treated conservatively; irreversible pulpitis needs a root canal.

Typical treatments:Root Canal (Molar) ($1050)Dental Crown ($1150)

What you can try at home

✓Use a soft-bristled toothbrush and don't scrub aggressively
✓Try a fluoride mouthwash (ACT, Listerine Total Care) once daily
✓Cut back on acidic foods (citrus, soda, wine) that erode enamel
✓Wait 30 min after eating acidic food before brushing
✓If you grind your teeth, ask about a nightguard

FAQ: Tooth pain when drinking cold

Should I stop drinking cold drinks?▾

Not permanently, but avoid them for 1-2 weeks while trying desensitizing toothpaste. If the sensitivity resolves with that approach, you likely have straightforward dentin sensitivity. If not, see a dentist.

Are Sensodyne and other desensitizing toothpastes worth using?▾

Yes for genuine dentin sensitivity. They contain potassium nitrate or stannous fluoride that block the tiny tubules connecting your outer tooth to the nerve. It takes 2-4 weeks of consistent use to fully work — one brushing won't do it.

Can this go away on its own?▾

Mild sensitivity from receded gums or thin enamel can improve with better brushing habits and desensitizing toothpaste. Pain from decay, cracks, or infection will not go away on its own and will get worse.

How much does treatment cost?▾

Depends on the cause. A filling for a small cavity: $150-$400. A crown for a cracked tooth: $1,000-$1,800. A root canal + crown for pulpitis: $2,000-$3,500. Most dental insurance covers 50-80% of these costs.

Related symptoms

Tooth pain when biting or chewing Swollen gums

Information on this page is educational and does not replace a dental exam. If you have severe pain, facial swelling, difficulty breathing or swallowing, or fever alongside dental symptoms, seek emergency care.