Toothache – Causes, Relief, and When to See a Dentist in London

Toothache

Nov 06, 2025

Toothache can appear suddenly or develop gradually, affecting your sleep, eating, and overall comfort. While it might start as mild discomfort, it often signals a more serious dental problem that requires professional care. In this guide, our Dental Art Implant Clinics specialists in East Finchley and Balham explain the common causes of tooth pain, what you can do at home, and how to prevent future issues.

1. Common Causes of Toothache

Tooth pain can be triggered by many factors – from surface enamel damage to deeper inflammation.

The most frequent causes include:

  • Tooth decay (cavities) reaching the dentine layer and causing sensitivity;
  • Pulpitis – inflammation of the inner tooth pulp that contains nerves and blood vessels;
  • Damaged or lost fillings exposing sensitive tissue;
  • Cracks or fractures, especially painful when chewing;
  • Gum disease (gingivitis or periodontitis), which can lead to pain and tooth mobility;
  • Exposed tooth roots causing sharp pain from hot or cold;
  • Wisdom tooth issues – pressure, impaction, or infection;
  • Dental trauma from accidents or falls;
  • Sinus infections pressing on upper teeth;
  • Tooth eruption in children, a natural but uncomfortable process.

2. Understanding Your Tooth Pain

Although only a dentist can make a final diagnosis, it helps if you can describe the pain at home before your visit.

  • Notice whether the pain is sharp, throbbing, constant, or occasional.
  • Identify what triggers it – cold, hot, sweet foods, chewing, or pressure.
  • Look for other symptoms such as swelling, warmth, bad breath, or fever.
  • Observe how long the pain lasts and how often it appears.
  • Check for visible changes – damaged fillings, cracks, redness, or bleeding gums.

This information helps your dentist quickly identify the cause and recommend suitable treatment.

3. What to Do Before Seeing a Dentist

If you can’t see a dentist right away, temporary relief can come from rinsing your mouth with warm salt water to reduce bacteria and calm the tissues. Gently brushing with a soft toothbrush helps remove debris around the sore tooth. Applying a cold compress to the cheek can reduce swelling. Over-the-counter painkillers such as ibuprofen or paracetamol can be used responsibly, following the instructions. Eat soft foods and avoid very hot, cold, sweet, or acidic items. Remember – these methods don’t treat the cause; they only ease the discomfort until you get professional care.

4. When to See a Dentist Immediately

Seek urgent care if the pain lasts for several days or worsens, if you notice swelling of the cheek or gums, fever, difficulty opening your mouth or chewing, loose teeth, bleeding, or pus and unpleasant taste in the mouth. Pain that spreads to the ear, jaw, or causes headaches also requires immediate attention. These symptoms may indicate an infection or another serious condition that needs prompt treatment.

5. How a Dentist Treats Toothache

Treatment depends on the diagnosis. Dental fillings restore tooth structure and prevent bacteria from spreading deeper. If the nerve is affected, root canal therapy can save the tooth. In cases where the tooth cannot be restored, extraction may be required. Gum treatment involves professional cleaning and inflammation control. Antibiotics may be prescribed for infection or abscesses. Wisdom teeth causing pressure or repeated infections are often treated with removal. However, the goal is always to preserve your natural tooth whenever possible.

6. Preventing Toothache

Good daily habits are the best protection against tooth pain.

  • Brush your teeth twice a day with fluoride toothpaste and floss regularly.
  • Visit your dentist for routine check-ups at least once a year (ideally every six months).
  • Limit sugary and acidic foods and drinks that damage enamel. If your teeth are sensitive, use toothpaste for sensitive teeth.
  • Use a mouthguard during sports and, if you grind your teeth at night (bruxism), ask about a night guard.
  • Prevention is the simplest and most cost-effective way to keep your teeth healthy long-term.

Conclusion

Toothache almost always indicates an underlying problem that can and should be treated. Home remedies provide temporary relief but cannot replace professional dental care. Early diagnosis and treatment help prevent complications, while daily oral care, regular check-ups, and a balanced diet are the most effective ways to protect your smile from pain.


Young blond woman brushing her teeth in front of the mirror

Like other clinics and businesses, we too feel the strain caused by the current COVID-19 situation and, therefore, are unable to...

dental art implant clinics balham clinic exterior

We are delighted to share some big and exciting clinic news that's happening this July!

Woman blowing a bubble with gum

Does chewing gum actually help improving oral health? Find out in this article.

Instagram icon YouTube icon Linkedin icon

East Finchley

91 High Road, East Finchley,
London, N2 8AG

Balham

143-145, Balham Hill, London, SW12 9DL

Book a FREE consultation

East Finchley

91 High Road, East Finchley, London, N2 8AG

Balham

143-145, Balham Hill, London, SW12 9DL

Call us: 020 3322 3218

East Finchley

Monday - Friday
9:00 am to 6:00 pm

Saturday
Closed

Sunday
Closed

Balham

Monday - Friday
9:00 am to 6:00 pm

Saturday
Closed

Sunday
Closed