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Top Causes of Tooth Sensitivity and How to Treat Them

Dec 13, 2025
Tooth Sensitivity


Do you experience a sharp, fleeting pain when sipping hot coffee, enjoying ice cream, or even taking a deep breath of cold air? If so, you are one of the millions of people who suffer from tooth sensitivity, a common dental health issue that can make everyday activities uncomfortable. This sharp, jolting pain is your body's way of alerting you that something is exposed beneath the protective surface of your teeth.


Understanding the root cause of your sensitivity is the first crucial step toward finding effective relief. At Glendale Heights Family Dental, we specialize in diagnosing and treating common dental health problems. As your trusted dentist in Glendale Heights, IL, we believe that no one should have to avoid their favorite foods or drinks due to pain. If you are searching for a compassionate and expert dentist near you, look no further.


This comprehensive guide breaks down the top causes of tooth sensitivity and outlines the effective treatment strategies we use at Glendale Heights Family Dental.


1. Understanding the Science of Sensitivity


To understand why teeth become sensitive, it helps to know a bit about tooth anatomy. Beneath the hard enamel surface of your tooth lies a layer called dentin. Dentin is made up of millions of microscopic tubes (tubules) that run from the surface to the center nerve of the tooth.


The Mechanism of Pain


Normally, enamel or gums cover the dentin. However, when dentin becomes exposed, external triggers like temperature changes or high acidity travel through these tubules directly to the nerve, causing that characteristic jolt of pain. The common causes we treat at Glendale Heights Family Dental generally involve the loss of this protective outer layer.


2. Top Causes of Dentin Exposure


Several factors can lead to the erosion of enamel or the recession of gum tissue, exposing the underlying dentin.


Gum Recession

  • Cause: Aggressive brushing, existing gum disease (periodontitis), or genetics can cause the gum tissue to pull away from the tooth. When gums recede, the root surface, which is covered only by a thin layer called cementum (not hard enamel), is exposed, making it highly susceptible to sensitivity.
  • Treatment Focus: Addressing the underlying cause, whether it is correcting aggressive brushing habits or treating gum disease.


Enamel Erosion

  • Cause: Enamel is the hardest substance in the human body, but it can be worn away by highly acidic foods and drinks (sodas, citrus, wine), or chronic acid reflux. Enamel also wears down over time due to wear and tear.
  • Treatment Focus: Dietary changes and using specialized dental health products to remineralize the remaining enamel.


Tooth Decay and Chips

  • Cause: Untreated tooth decay (cavities) erodes the tooth structure, creating a direct pathway to the inner dentin. Similarly, a chipped, fractured, or cracked tooth exposes the dentin and often the pulp (nerve) itself.
  • Treatment Focus: Restorative dentistry using dental fillings, bonding, or dental crowns to seal the exposed area.


Teeth Grinding (Bruxism)

  • Cause: Chronic clenching or grinding, particularly while sleeping, wears down the enamel and can cause small fractures or cracks in the tooth. This repeated stress on the tooth structure exposes the underlying dentin.
  • Treatment Focus: Custom-fitted nightguards provided by your dentist in Glendale Heights, IL.


Poor Dental Hygiene

  • Cause: Failing to clean plaque properly can lead to tartar buildup, which causes gum disease and recession. Conversely, brushing too hard or using a hard-bristled brush physically wears away the enamel near the gum line.
  • Treatment Focus: Correcting hygiene techniques and recommending the proper toothbrush and toothpaste.


3. Effective Treatment Strategies from Your Dentist


Relief for tooth sensitivity often starts with conservative home care but may require targeted restorative dentistry based on the diagnosis from your dentist in Glendale Heights, IL.


Home-Based Care

  • Desensitizing Toothpaste: These toothpastes contain compounds (like strontium chloride or potassium nitrate) that block the dentin tubules, preventing triggers from reaching the nerve. Consistent use is key.
  • Soft-Bristled Brush: Switching to a soft-bristled brush and adopting a gentler technique will halt further wear and recession.
  • Fluoride Rinse: Using a daily fluoride rinse can help strengthen enamel and reduce sensitivity.


Professional Treatments at Glendale Heights Family Dental


For cases where home care isn't enough, your dentist in Glendale Heights offers advanced solutions:

  • Professional Desensitizing Agents: Your dentist can apply specialized fluoride varnishes or other desensitizing agents directly to the exposed root surfaces during your regular checkup. These provide a higher concentration of protective minerals.
  • Dental Bonding or Fillings: For sensitivity caused by exposed root surfaces, cracks, or minor chips, a tooth-colored resin can be applied to cover and seal the dentin, providing instant, effective relief. This is a common restorative dentistry procedure.
  • Gum Grafting: In severe cases of recession, particularly those caused by gum disease, a periodontist may perform a gum graft to cover the exposed root surfaces and restore dental health.
  • Nightguards for Bruxism: If grinding is the culprit, a custom-fitted nightguard prevents contact between the upper and lower teeth, protecting enamel and relieving jaw stress. Your dentist in Glendale Heights, IL, can fabricate this appliance.
  • Root Canal Therapy: In extreme cases where sensitivity is constant, severe, and cannot be alleviated by other means, it may indicate irreversible damage to the nerve, requiring a root canal to remove the damaged pulp and save the tooth.


4. Why Choosing an Expert Dentist is Crucial


Self-treating sensitivity with over-the-counter products without a professional diagnosis can mask a serious underlying issue, such as a deep cavity or advanced gum disease.


By choosing Glendale Heights Family Dental, you are choosing a comprehensive approach. As your dedicated dentist in Glendale Heights, IL, we don't just treat the symptom; we identify the exact cause to provide a tailored, long-lasting solution. If you are typing "best dentist near me" into a search engine, know that comprehensive care starts with an accurate diagnosis.


Frequently Asked Questions (FAQs)


Q1: Is tooth sensitivity an emergency?


A: Generally, brief, sharp sensitivity is not an emergency. However, if the sensitivity becomes constant, severe, or wakes you up at night, it could indicate deep tooth decay or an infection, and you should call your dentist in Glendale Heights, IL, immediately.


Q2: How long does it take for desensitizing toothpaste to work?


A: Desensitizing toothpastes usually require consistent daily use for about two to four weeks before you notice a significant reduction in sensitivity. If you don't see improvement after a month, call Glendale Heights Family Dental for an evaluation.


Q3: Can professional teeth whitening cause sensitivity?


A: Yes, temporary tooth sensitivity is a common side effect of professional teeth whitening. This is usually managed by using desensitizing products before and after the procedure and typically resolves within a day or two.


Q4: If I have gum disease, will treating it eliminate my sensitivity?


A: Treating gum disease is vital for your overall dental health. While the sensitivity may persist for a short time after treatment (due to cleaner, sometimes more exposed, root surfaces), controlling the inflammation stops further recession and exposure, which is the key to long-term relief.


Q5: Can I stop using desensitizing toothpaste once my sensitivity goes away?


A: Your dentist will recommend continuing the use of desensitizing toothpaste as your regular toothpaste. Stopping it completely can cause the tubules to reopen, leading to a return of the sensitivity, especially if the underlying cause (like mild recession) is still present.


End the Pain: Schedule Your Sensitivity Consultation Today


Don't let tooth sensitivity dictate what you can eat and drink. There are effective treatments available to restore your comfort and protect your dental health.


Contact Glendale Heights Family Dental today to schedule your comprehensive exam. Let our expert dentist in Glendale Heights, IL, identify the cause and provide a solution tailored just for you. If you need a reliable dentist near you, we are ready to help.

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Our team is happy to hear from you! Fill out our simple form to schedule your next visit. Email us at office@ghfdental.com. Call us at (630) 866-6000.

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