What Causes Tooth Sensitivity and How to Treat It

March 24, 2025

Understand the Causes of Tooth Sensitivity

Best Family Dentistry in Hunt Valley, MD

Tooth sensitivity is one of the most common yet frustrating dental issues. That sudden twinge of pain from a cold drink or a sweet treat can make you wince and disrupt your everyday comfort. At Nathanson Dental in Hunt Valley, MD, we believe no one should live with daily dental discomfort. If you're experiencing sharp or lingering tooth pain, understanding the causes—and how to treat them—can make a world of difference.

What Is Tooth Sensitivity?

Tooth sensitivity, or dentin hypersensitivity, occurs when the protective enamel of the tooth becomes worn or the gums recede, exposing the underlying dentin and nerve endings. When this dentin is exposed, everyday stimuli like cold air, hot beverages, or acidic foods can trigger discomfort or even sharp pain.

Common Causes of Tooth Sensitivity

1. Worn Enamel

The enamel on your teeth naturally wears down over time. Factors such as aggressive brushing, abrasive toothpaste, and acidic foods and drinks can speed up this erosion. Once the enamel is thin or gone, the dentin is exposed and pain can follow.

2. Gum Recession

Gum tissue can pull away from the tooth, especially in cases of gum disease in Hunt Valley MD. This exposes the tooth root, which lacks enamel and is highly sensitive to external stimuli.

3. Tooth Decay or Damaged Fillings

Cavities and cracked or loose fillings can allow stimuli to reach the tooth’s nerves. Untreated decay not only causes pain but can lead to infections and the need for restorative treatments such as dental crowns in Hunt Valley MD.

4. Tooth Grinding (Bruxism)

Many people grind their teeth while sleeping, which can wear down enamel and make teeth more vulnerable to sensitivity.

5. Recent Dental Procedures

Some dental treatments—like whitening, fillings, or tooth extractions in Hunt Valley MD—may cause temporary sensitivity. This typically subsides, but if it persists, it should be evaluated.

Diagnosing Tooth Sensitivity at Nathanson Dental

If you're dealing with sensitive teeth, we’ll begin with a comprehensive exam:

  • We’ll discuss your symptoms and lifestyle habits.
  • A gentle dental exam will check for enamel wear, gum issues, and other contributing factors.
  • We may take X-rays to rule out deeper issues like cavities or nerve inflammation.

From there, we’ll create a personalized treatment plan tailored to your needs.

How We Treat Tooth Sensitivity

At Nathanson Dental, we take a step-by-step approach depending on the severity and underlying cause of your sensitivity:

1. Desensitizing Toothpaste

These specialized formulas help block nerve pathways in the dentin, reducing sensitivity. They’re often recommended as a first line of defense.

2. Fluoride Treatments

Professional fluoride applications strengthen the enamel and help protect exposed areas of the teeth.

3. Dental Bonding

A tooth-colored resin can be applied to exposed roots, sealing sensitive areas and reducing discomfort.

4. Gum Therapy

In cases where gum disease in Hunt Valley MD is to blame, deep cleaning or periodontal therapy may be necessary to treat infection and reduce recession.

5. Root Canal

If decay or damage has reached the tooth's pulp, a root canal may be needed to eliminate the source of sensitivity and save the tooth.

Preventing Future Sensitivity

  • Use a soft-bristled toothbrush and non-abrasive toothpaste.
  • Avoid overbrushing and acidic foods.
  • Wear a nightguard if you grind your teeth.
  • Visit us regularly for exams and cleanings.

Cosmetic Considerations and Tooth Sensitivity

Cosmetic procedures like veneers in Hunt Valley MD and teeth whitening in Hunt Valley MD can sometimes increase sensitivity—especially when performed improperly. At Nathanson Dental, we prioritize both beauty and comfort, ensuring that every treatment is safe, effective, and personalized for your unique smile.

Take the Next Step Toward Relief

If sensitive teeth are impacting your life, it’s time to get help. Whether you’re dealing with worn enamel, receding gums, or more advanced dental concerns, our team at Nathanson Dental can provide the relief you need with a gentle, personalized approach.

Schedule an appointment today and let us help you regain a comfortable, confident smile.



Our Services

5 Shawan Rd, Cockeysville, MD 21030

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