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Published 1 November 2026·Dr. Gabriel Joel, DMD

Is Tooth Pain Constant? What a Steady Ache Is Telling You

Constant tooth pain usually means the nerve inside the tooth is badly inflamed, or that infection has reached the root. A tooth that only twinges with cold is irritated. A tooth that aches on its own, hour after hour, has gone past that. If you are in Beit Shemesh and the ache has been steady for a day or more, it needs to be looked at rather than waited out.
A dentist examining a patient's teeth with a mouth mirror

Photo by cottonbro studio via Pexels

What Constant Pain Usually Means

A healthy tooth nerve switches off when the trigger goes. Constant pain is the nerve no longer doing that. Two things tend to be behind it:

  • Irreversible inflammation of the nerve (pulpitis). Deep decay, a crack or a leaking old filling has irritated the nerve (the pulp) for long enough that it cannot recover. It aches without a trigger and often throbs.
  • Infection at the tip of the root. Once the nerve dies, bacteria collect around the root and the bone responds. The tooth becomes tender to bite on and the ache is steady and deep.

In both cases the tooth is usually still saveable. The treatment is normally a root canal, and it is a simpler job the earlier it is done.

When Constant Pain Isn't the Tooth

Steady pain in the upper back teeth can be a sinus problem, and a sinus infection that feels like toothache is common. A dull ache across the jaw that is worst in the morning points more towards clenching, which teeth grinding explains. Gum trouble around a single tooth can also hurt constantly.

A useful test: if the pain sits in one tooth, gets worse when you bite on it, or flares when you lie down, it is probably the tooth. If it is spread across several teeth and you have a blocked nose, think sinus first. An X-ray settles it quickly, which is a better use of ten minutes than a night of guessing.

If the Pain Stops by Itself

Plenty of people hope a constant ache will simply wear off. Sometimes, after days of pain, it does, and that is not the good news it feels like. When a nerve dies the pain can stop because there is nothing left to feel it. The infection carries on underneath. Pain that stopped is not proof the infection is gone, and it often returns as swelling instead.

What Helps Until You're Seen

None of this fixes the tooth, but it makes the night easier:

  • Take an ordinary over-the-counter painkiller exactly as the packet says.
  • Keep your head raised on an extra pillow. Lying flat sends more blood to the head and the ache usually gets worse.
  • Avoid very hot and very cold food and drink, and chew on the other side.
  • Do not put aspirin against the gum. It burns the tissue and does nothing for the tooth.

There is more on this in how to stop tooth pain until your appointment.

Timing It in Beit Shemesh: Thursday Night and Friday Afternoon

Constant pain has a way of choosing its moment. A tooth that starts at 4pm on Friday has a short window before Shabbat, and one that begins on Thursday night is better dealt with first thing Friday. We are open Sunday to Thursday 08:00 to 20:00 and Friday 09:00 to 17:00. Shabbat is reserved for genuine emergencies only, and we do offer after-hours emergency treatment outside those times.

Dr. Joel trained in the US and treats in both English and Hebrew, so you can describe exactly where it hurts and what sets it off without translating a symptom in your head. That detail makes the diagnosis faster. Same-day appointments are possible at our Harav Kook clinic, and for patients in Ramat Beit Shemesh it is a short drive.

When to Come In, and When to Go Elsewhere

Book a same-day or next-day visit if the pain is constant, throbs, wakes you at night, or the tooth hurts to bite on. These are the signs a root canal may be needed, and the symptoms that point to one are worth reading through.

Go to a hospital emergency room, not a dentist, if the ache comes with swelling spreading towards the eye or down the neck, a fever alongside facial swelling, or any difficulty breathing or swallowing. If the pain is mild and fades within a few seconds of a cold drink, that can wait for a routine check-up. When a toothache becomes a dental emergency sets out the line in more detail.

If your tooth has been aching steadily, call or message us on WhatsApp at 055-985-8845. Urgent Dental Care in Beit Shemesh keeps same-day slots open, and we handle emergency dental care in Beit Shemesh. We will take an X-ray, tell you what we see, and say honestly whether it needs treatment today.

For independent background, the ADA's MouthHealthy covers what causes a toothache and when to see a dentist, and the American Association of Endodontists explains what happens when a tooth nerve is damaged.

Common questions

Why is my tooth pain constant?
Constant tooth pain usually means the nerve inside the tooth is inflamed beyond recovery, or that infection has formed at the root. Unlike a twinge from cold, it carries on without a trigger. The tooth can normally still be saved if it is treated promptly.
Is constant tooth pain a sign of infection?
Often, yes. A steady, deep ache, especially with tenderness when you bite, can mean infection around the root. Swelling, a bad taste or a small bump on the gum make it more likely. Only an examination and X-ray can confirm it.
Can constant tooth pain go away on its own?
The pain can stop, but the cause usually has not. If the nerve has died, the pain fades while infection continues quietly at the root. A tooth that ached steadily and then went silent should still be checked.
Is constant toothache an emergency in Beit Shemesh?
It deserves a same-day or next-day appointment, and we offer same-day appointments at our Beit Shemesh clinic. It is a hospital emergency only if there is spreading facial swelling, fever with swelling, or trouble breathing or swallowing.
What can I take for constant tooth pain?
An ordinary over-the-counter painkiller taken as directed on the packet is reasonable for a night. Keep your head raised and avoid hot and cold foods. Do not place aspirin on the gum. These steps only buy time until the tooth is treated.
Can a sinus problem cause constant tooth pain?
Yes, particularly in the upper back teeth, which sit just beneath the sinuses. Pain across several teeth with a blocked nose points to the sinus. Pain in one tooth that worsens on biting points to the tooth itself.

Still not sure? Message us.

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