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Port Dover Family Dentistry
Dentist explaining the causes of tooth sensitivity with a tooth model in Port Dover

Port Dover Family Dentistry

Tooth Sensitivity Treatment in Walsingham

Sharp twinges from cold drinks or sweets can have several causes. Walsingham patients can learn how the dentist finds the reason for sensitivity and which treatments may help.

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Serving Walsingham households from our Port Dover office

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Easing the twinge

Sensitive teeth can often be soothed once the cause is known.

Tooth sensitivity is a brief, sharp discomfort triggered by cold, heat, sweet or acidic foods, or even brushing. It often happens when the protective enamel wears down or gums recede, exposing the dentin underneath, which contains tiny tubes leading toward the nerve. Cavities, cracked teeth, worn fillings and recent dental work can also cause sensitivity.

Walsingham patients with sensitive teeth can have them assessed at our Port Dover office. The dentist will look for the cause, rule out problems like decay or cracks and suggest treatments ranging from special toothpaste to protective coatings or repairs, depending on what is found.

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Dentist performing controlled cold and bite testing to identify the source of a sensitive tooth

Causes

Several things can expose the sensitive layer.

Worn enamel and receding gums

Brushing too hard, acidic foods and drinks, grinding and acid reflux can wear away enamel. Gum recession, often from aggressive brushing or gum disease, exposes root surfaces that lack enamel. Exposed dentin lets hot, cold and sweet stimuli reach the nerve more easily, causing sharp twinges.

Cavities, cracks and dental work

Cavities, cracked teeth, chipped edges and worn or leaking fillings can also cause sensitivity. Teeth may be temporarily sensitive after whitening, cleanings or new fillings. Identifying the cause is important, because some need repair rather than just desensitizing treatment.

Assessment

The details of your sensitivity help the diagnosis.

  • Describing your symptoms

    Note which teeth are sensitive, what triggers the pain and how long it lasts. Brief twinges that fade quickly are typical of exposed dentin. Pain that lingers or throbs may suggest a nerve problem. Mention brushing habits, diet, grinding and any recent dental work.

  • Examination and tests

    The dentist examines teeth for wear, recession, decay, cracks and failing restorations. They may test teeth with air or cold and take X-rays. These findings help separate simple sensitivity from problems that need treatment, such as a cavity or cracked tooth.

Treatment

Treatment matches the cause.

Desensitizing products

Toothpaste for sensitive teeth, used consistently for several weeks, can reduce sensitivity for many people. Fluoride rinses or prescription-strength fluoride toothpaste may also help. Using a soft toothbrush and gentle technique protects enamel and gums from further wear.

In-office treatments and repairs

The dentist may apply fluoride varnish or a desensitizing agent to exposed areas. Bonding can cover exposed roots or worn spots. Cavities and failing fillings are repaired. In some cases of severe recession, a gum graft may be discussed. If the nerve is affected, root canal treatment may be needed.

Prevention

Daily habits can reduce future sensitivity.

  1. Gentle brushing and diet

    Brush gently with a soft brush and avoid scrubbing back and forth. Limit acidic foods and drinks like citrus, soda and sports drinks, and rinse with water afterwards. Wait a little while after acidic foods before brushing, as enamel is softer right after acid exposure.

  2. Protecting against grinding

    If you grind or clench, a night guard can help protect enamel. Treating acid reflux with your physician may reduce enamel erosion. Regular checkups help catch problems early. Report sensitivity that worsens or lingers, as it may signal a problem needing treatment.

Planning your appointment

Getting sensitive teeth checked

Walsingham patients can call our Port Dover office and describe which teeth are sensitive and what triggers the discomfort. The team will arrange an exam to find the cause.

Note any recent whitening, dental work or changes in diet, and bring the toothpaste and rinses you currently use.

Port Dover Family Dentistry

697 Norfolk County Hwy 6, Unit 2, Port Dover, ON N0A 1N2
519-583-2929Directions to our office (opens in a new tab)Office hours & contact details

Before you book

Sensitivity questions

Have a question about your situation? Our team can help you plan a visit.

How long does sensitive toothpaste take to work?

Many people notice improvement after a few weeks of regular use. It needs to be used consistently. If there is no improvement, have your teeth checked.

Is sensitivity a sign of a cavity?

It can be, but there are many causes, including worn enamel, gum recession and cracks. A dental exam helps identify the reason.

Why are my teeth sensitive after whitening?

Whitening gel can temporarily increase sensitivity. It usually fades after whitening ends. Sensitive toothpaste may help. Contact the office if it persists.

Can sensitivity go away on its own?

Mild sensitivity sometimes improves with gentler brushing and diet changes. Persistent or worsening sensitivity should be assessed to rule out problems.

When is sensitivity an emergency?

Severe or lingering pain, throbbing or swelling may signal infection or nerve damage. Call the office promptly in these cases.

Recognized year after year

Winner of the Three Best Rated Award

Best Dentists in Norfolk

Proudly recognized among Norfolk’s top-rated dental practices for six consecutive years.

  • Three Best Rated Best Business of 2021 Excellence award

    2021 Winner

  • Three Best Rated Best Business of 2022 Excellence award

    2022 Winner

  • Three Best Rated Best Business of 2023 Excellence award

    2023 Winner

  • Three Best Rated Best Business of 2024 Excellence award

    2024 Winner

  • Three Best Rated Best Business of 2025 Excellence award

    2025 Winner

  • Three Best Rated Best Business of 2026 Excellence award

    2026 Winner

Stories from our patients

Comfortable care, shared in their own words.

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New patients and CDCP patients are welcome. Tell us how we can help and our Port Dover dental team will follow up with you.

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