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Home | Is Tooth Sensitivity Normal? Causes and How to Treat It

Is Tooth Sensitivity Normal? Causes and How to Treat It

Tooth Sensitivity
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Insights:
"My teeth are sensitive." If you've ever said that—or wondered why one tooth is suddenly sensitive—you’re not alone. Tooth sensitivity, also known as dentin hypersensitivity, affects millions of Americans. It occurs when the underlying dentin layer becomes exposed, often leading to sharp pain when triggered by heat, cold, acid, pressure, or sugar.
Read Time:
  • 4
  • Minutes
Overview:

Is Tooth Sensitivity Normal? Causes and How to Treat It

May 10, 2025

What You Will Learn:

Common causes of dentin hypersensitivity and enamel erosion

How fluoride, oral hygiene, and lifestyle affect sensitivity

Solutions including toothpaste, mouthwash, therapy, and diet changes

💡 3 Key Takeaways

  • Tooth sensitivity can result from enamel erosion, gum recession, or underlying disease.
  • Use ADA-approved toothpaste, adjust your diet, and maintain good oral hygiene.
  • Let Dr. Bruce G. Jones DDS help with therapy, fluoride, or even orthodontics if needed.

What Causes Tooth Sensitivity?

1. Tooth Enamel Erosion

Your tooth enamel is the hard outer shell that protects your teeth. Tooth brushing with a hard-bristled toothbrush, overuse of tooth whitening products with hydrogen peroxide, or eating too many acidic foods like citrus, candy, or wine can wear enamel away. This erosion exposes dentin, allowing stimulus like cold air, ice, or liquid to reach the nerve of the tooth.
 
What Causes Tooth Sensitivity

2. Gum Recession

Poor oral hygiene, smoking, or gingivitis can lead to recession of the gums, exposing the cementum and tooth roots. This can create direct access for triggers to the pulp and nerve, increasing sensitivity.

3. Tooth Decay & Cracks

Cavities caused by bacteria, dental plaque, and a high-sugar diet lead to tooth decay, which compromises the tissue and exposes canals that lead to the nerve. A cracked tooth or injury can cause similar symptoms.
 

4. Dental Procedures

Whitening products, including bleach or gel treatments, can cause temporary sensitivity. Patients using orthodontics or undergoing crown work may also experience temporary hypersensitivity.

Contributing Health & Lifestyle Factors

Certain conditions can heighten sensitivity:
  • Type 2 diabetes, ulcerative colitis, and psoriatic arthritis can cause inflammation affecting the mouth.
  • Hormonal shifts in menopause affect tissue and bone density.
  • High-stress lifestyle, poor nutrition, and inadequate exercise can weaken your body’s natural defenses.
  • Medications like ibuprofen or certain skin care treatments can impact oral health indirectly.
  • Gastroesophageal reflux disease (GERD) may cause acid to damage teeth.

How to Treat Tooth Sensitivity

How To Treat Tooth Sensitivity

1. Improve Oral Hygiene

Use a soft toothbrush, practice proper tooth brushing technique, and clean between teeth with dental floss. Consider adding mouthwash recommended by the American Dental Association to kill bacteria and reduce inflammation.

2. Desensitizing Toothpaste

Toothpaste containing tin, potassium nitrate, or fluoride can block pain signals and rebuild tooth enamel. Try Sensodyne for toothache or other brands designed for teeth whitening without sensitivity.

3. Lifestyle & Diet Changes

Limit candy, acidic drinks, and sugar. Increase vitamin intake through a balanced diet and drink more water. Avoid snacks that stick to your teeth and opt for healthy alternatives.

4. Professional Dental Therapy

Dr. Bruce G. Jones DDS offers several solutions:

  • Fluoride varnishes and gel treatments
  • Grafting for gum recession
  • Mouthguard to protect against bruxism (grinding)
  • Custom-fit crown or canal therapy
 

5. Pain Management

If discomfort persists, try topical cream, clove oil, or anti-inflammatory medication like ibuprofen. We may refer you for advanced pain management options if necessary.

When to See a Dentist

When To See A Dentist
  • One tooth suddenly sensitive
  • Tooth sensitive to hot and cold consistently
  • Teeth suddenly sensitive to cold air
  • Toothache that won’t go away
  • Unexplained inflammation or bleeding in the gums

Don’t wait—early therapy can save your teeth and prevent more serious problems.

Table of Contents

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Have A Question? Contact Us.

FAQ's About tooth sensitivity

Sudden sensitivity may be due to a crack, tooth decay, or exposed dentin. See a dentist immediately.
 
Yes, but use teeth whitening that doesn’t hurt or teeth whitening no sensitivity products.
 
 
Yes. Stress can lead to grinding and jaw pressure, contributing to wear and exposure.
 
 
 
Look for products with tin, fluoride, and potassium nitrate like Sensodyne.
 
 
 
 
Contact us at Dr. Bruce G. Jones DDS, or send your email address via our contact form for more information, tips, and our podcast on dental care.