You break a tooth and immediately feel a sharp jolt when you bite down. Or perhaps the opposite happens: a surprisingly large piece breaks away, yet you feel almost nothing. Both situations can occur. Broken tooth pain does not always match the visible damage, which is why a tooth should be assessed even when the break seems painless. Cracked and fractured teeth can cause anything from no symptoms to pain when biting, temperature sensitivity or spontaneous toothache.
Why Does a Broken Tooth Hurt?
A tooth is made up of several layers. Beneath the hard outer enamel is dentine, which contains microscopic channels connected to the inner pulp. When a fracture exposes dentine, hot, cold, sweet or mechanical stimuli can trigger a sudden, sharp sensation.
A deeper break may irritate or damage the pulp, where the tooth’s nerves and blood vessels are located. This is why a painful broken tooth may hurt in different ways depending on the extent of the damage. If the pulp has been significantly damaged or infected, root canal treatment may be needed to treat the inside of the tooth before it can be restored.
Broken Tooth Hurts When I Bite Down
Pain while chewing is one of the symptoms that can occur with a cracked or fractured tooth. Sometimes, pressure causes the damaged parts of the tooth to move slightly. In other cases, the fracture has exposed sensitive tissue or the tooth has become inflamed internally.
It is tempting to avoid the painful side and hope the problem settles. However, repeated pressure on a damaged tooth can worsen the discomfort. For a closer look at the signs that may indicate a more significant fracture, see our guide to Broken Tooth Symptoms.
Why is My Broken Tooth Sensitive to Hot and Cold?
Temperature sensitivity can happen when the break exposes dentine. You may notice a quick, sharp pain after drinking something cold or eating something sweet. The discomfort may disappear as soon as the trigger is removed, particularly when the deeper pulp has not been significantly affected.
Can a Broken Tooth Hurt Without Looking Seriously Damaged?
Yes. A relatively small crack can sometimes cause significant discomfort, particularly when it affects the deeper structure of the tooth. Meanwhile, a more visible fracture may cause little pain initially. The size of the missing piece therefore does not always tell you how serious the damage is. A dental examination may involve assessing the tooth, checking how it responds to certain tests and, where appropriate, taking X-rays to understand the extent of the problem.
Broken Tooth No Pain: Is That a Good Sign?
Not necessarily. A broken tooth with no pain may simply mean that the fracture has not exposed sensitive tissue. But a lack of pain cannot confirm that the tooth is undamaged. Some cracks and fractures are asymptomatic. In other situations, damage to the pulp can eventually reduce or eliminate sensitivity even though the underlying problem still requires attention. This is why a broken tooth should still be examined even when it does not hurt.
Broken Tooth Pain Relief While Waiting for a Dentist
Pain relief can help you manage discomfort, but it does not repair the broken tooth. The NHS recommends options such as paracetamol or ibuprofen for toothache when appropriate for the individual. A pharmacist can also advise on suitable pain relief. While waiting for dental care, it may also help to:
- Eat soft foods
- Avoid chewing on the affected tooth
- Avoid very hot, cold or sweet foods if they trigger sensitivity
- Brush gently around the painful area
- Avoid smoking, which can worsen some dental problems
Painkillers should always be taken according to the instructions provided and may not be suitable for everyone.
How Do You Stop a Broken Tooth From Hurting?
There is an important difference between temporarily easing the pain and treating its cause. A painkiller may reduce discomfort. Avoiding pressure on the tooth may prevent another sharp episode. But if the fracture has exposed sensitive tissue, damaged the pulp or created another underlying problem, the pain may continue until the tooth receives appropriate treatment. The long-term solution depends on what has actually happened to the tooth.
Our guide to How Do You Fix a Broken Tooth? explains how dentists approach different types of fractures and damage.
Pain Tells You Something. But Not Everything
A broken tooth can hurt because sensitive tissue has been exposed, because the tooth is inflamed or because pressure is reaching a damaged area. But pain is only one part of the picture. A tooth with severe pain may still be treatable, while a painless broken tooth can also require professional care. The safest approach is to have the fracture assessed so that treatment addresses the damage rather than simply masking the discomfort.
