That sharp, sudden jolt when you sip a hot coffee or bite into ice cream isn’t something you should have to live with. Sensitive teeth affect millions of people across the UK, turning everyday pleasures into uncomfortable experiences. The good news is that most cases of tooth sensitivity can be successfully managed once you understand what’s causing the problem.
Key takeaways:

Your teeth become sensitive when the protective enamel wears down or when your gums recede, exposing the dentine underneath. Dentine contains thousands of tiny tubules that connect directly to the nerve centre of your tooth, which is why exposure to hot, cold, sweet, or acidic substances can trigger that characteristic sharp pain.
Several factors contribute to this exposure. Brushing too aggressively wears away enamel over time. Acidic foods and drinks gradually erode the tooth surface. Grinding your teeth at night puts excessive pressure on the enamel, which can cause it to thin.
Gum disease also plays a significant role. When gums recede due to infection or inflammation, they expose the tooth roots, which lack the protective enamel coating found on the crown.
Understanding the specific triggers helps you address the root problem effectively. Some causes are related to your daily habits, whilst others stem from dental conditions requiring professional attention.
Lifestyle and dietary factors:
Dental health issues:
Recent dental procedures can also cause temporary sensitivity. This usually subsides within a few weeks as your teeth adjust.
Fixing sensitive teeth starts with identifying what’s causing the problem in the first place. A dentist for sensitive teeth will conduct a thorough examination to rule out underlying issues like cavities or gum disease before recommending treatment.
For mild to moderate cases, switching to a desensitising toothpaste often provides relief within a few weeks. These products contain compounds that block the tubules in your dentine, preventing triggers from reaching the nerve.
More severe cases may require professional intervention. Your dentist might apply fluoride varnish to strengthen enamel or use bonding agents to seal exposed dentine. In some situations, a gum graft can cover receded areas, whilst a root canal might be necessary if the nerve is significantly compromised.
When home remedies aren’t enough, professional treatments offer more comprehensive solutions. These procedures are typically quick and minimally invasive.
Read more: Maintain Oral Health with Hygienist Visits
You don’t always need complex treatments to manage sensitivity. Simple changes to your daily routine can make a substantial difference.
Some warning signs indicate you need professional assessment rather than self-treatment. Persistent pain that lasts more than a few days warrants a dental visit. Sensitivity in just one tooth could signal a crack, cavity, or abscess requiring immediate attention.
If over-the-counter remedies haven’t improved your symptoms, it’s time to consult a specialist. Your dentist can identify underlying issues that home treatments can’t address.
| Symptom | Possible Cause | Action Required |
| Brief pain with hot/cold | Exposed dentine | Try desensitising toothpaste first |
| Constant throbbing | Infection or abscess | Urgent dental appointment |
| Sensitivity to pressure | Cracked tooth or decay | Professional examination needed |
| Pain in multiple teeth | Enamel erosion or gum disease | Comprehensive dental assessment |
Read more: When Minutes Matter: Finding Emergency Dental Care in London
A tooth infection presents with more than just sensitivity, though sensitivity can be an early warning sign. The affected tooth often throbs continuously, rather than reacting only to specific triggers. This pain may worsen when you lie down or apply pressure.
Swelling around the tooth or in your face indicates infection has spread. You might notice a bad taste in your mouth or persistent bad breath that doesn’t improve with brushing. Some people develop a fever or feel generally unwell.
Visible signs include redness and swelling of the gums around the affected tooth. An abscess may form, appearing as a pimple-like bump on your gum. If you spot any of these symptoms, contact your dentist immediately, as infections can spread to other parts of your body.
Stopping tooth sensitivity requires a combination of prevention and treatment strategies. The most effective approach addresses both the symptoms and the underlying causes.
Switch to a toothpaste specifically formulated for sensitive teeth. These products need time to work, so give them at least two weeks before expecting results. Apply a small amount directly to sensitive areas before bed for extra protection.
Modify your diet to reduce acid exposure. Drink acidic beverages through a straw to minimise contact with teeth. Choose a fluoride mouthwash to strengthen enamel and provide additional protection between brushing.
Book regular dental check-ups to catch problems early. Professional cleanings remove plaque and tartar that contribute to gum recession. Your dentist can also spot enamel erosion before it becomes severe.
Long-term prevention means protecting the enamel you have left and maintaining healthy gums. These habits should become part of your daily routine.
How long does it take for sensitive teeth treatment to work?
Sensitive teeth treatment timelines vary depending on the method used. Desensitising toothpastes typically show improvement within two to four weeks of consistent use. Professional treatments like fluoride applications or bonding often provide relief immediately or within a few days. More complex procedures, such as gum grafts, may take several weeks to heal fully before you notice maximum benefit.
Is tooth sensitivity always caused by damaged enamel?
Tooth sensitivity isn’t always caused by damaged enamel, though this is the most common reason. Gum recession exposes tooth roots that naturally lack enamel protection. Temporary sensitivity can follow dental procedures as teeth adjust. Occasionally, sinus infections create pressure that mimics tooth sensitivity. A proper diagnosis determines the actual cause.
Can whitening treatments make sensitive teeth worse?
Whitening treatments can indeed make sensitive teeth worse, particularly if you already have exposed dentine or thin enamel. The peroxide in whitening products temporarily opens dentine tubules, increasing sensitivity. Professional whitening supervised by your dentist is safer than over-the-counter kits. Your dentist can adjust the concentration and treatment duration to minimise discomfort.
Should I avoid cold foods entirely if I have sensitive teeth?
You shouldn’t necessarily avoid cold foods entirely if you have sensitive teeth, though you may need to be more selective. Many people find relief through proper treatment and can eventually enjoy cold foods again. In the meantime, let cold foods warm slightly before eating or choose temperature-neutral alternatives. Complete avoidance isn’t usually required long-term.
Does insurance cover treatment for sensitive teeth?
Insurance coverage for sensitive teeth treatment depends on your specific policy and whether the sensitivity indicates underlying dental problems. Basic treatments like fluoride applications are often covered under preventative care. More extensive procedures, such as bonding or gum grafts, may be covered if deemed medically necessary. Check with your provider about your specific benefits.
You don’t have to wince every time you enjoy your morning tea or evening ice cream. Understanding what causes your sensitivity is the first step towards finding lasting relief. Whether your discomfort stems from enamel erosion, gum recession, or another dental issue, effective sensitive teeth treatment options are available.
At Cannon Street Dental Centre, our experienced team specialises in diagnosing and treating tooth sensitivity with personalised care plans. We’ll identify the root cause of your discomfort and recommend the most appropriate treatment, from simple desensitising procedures to more comprehensive restorative work.
Our central London location makes it convenient to address your dental concerns without disrupting your busy schedule. Book your consultation today and take the first step towards eating and drinking without pain.