Do you struggle with Sensitive Teeth?
If you feel a sharp, sudden pain when drinking cold water, eating ice cream, or even brushing your teeth, you’re not alone. Tooth sensitivity is one of the most common complaints patients mention during routine visits. The good news? It’s treatable — once you understand what’s causing it.
Let’s break down why tooth sensitivity happens and what you can do to fix it.
What Is Tooth Sensitivity?
Tooth sensitivity occurs when the protective layers of your teeth become compromised, exposing the inner layer called dentin. Dentin contains tiny tubules that connect directly to the tooth’s nerve. When hot, cold, sweet, or acidic substances reach those tubules, they stimulate the nerve — causing that quick, sharp pain.
Sensitivity may feel mild at first, but it can worsen over time if the underlying cause isn’t addressed.
Common Causes of Tooth Sensitivity
1. Worn Enamel
Enamel is the hard outer layer that protects your teeth. Over time, enamel can wear down due to:
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Aggressive brushing
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Acidic foods and drinks (soda, citrus, energy drinks)
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Teeth grinding (bruxism)
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Acid reflux
When enamel thins, dentin becomes exposed — leading to sensitivity.
2. Gum Recession
If your gums recede, they expose the root surface of the tooth. Unlike the crown of the tooth, the root doesn’t have enamel protecting it. That exposed root is extremely sensitive to temperature changes.
Gum recession can be caused by:
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Gum disease
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Hard brushing
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Genetics
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Tobacco use
3. Cavities or Tooth Decay
Sensitivity can sometimes be a warning sign of a cavity. As decay penetrates deeper into the tooth, it gets closer to the nerve — increasing discomfort.
If your sensitivity is isolated to one specific tooth and doesn’t improve, it’s important to schedule an exam.
4. Cracked or Chipped Teeth
Small cracks may not always be visible, but they can allow temperature and pressure to reach the inner tooth structure. This often causes pain when chewing or biting down.
5. Recent Dental Procedures
It’s normal to experience temporary sensitivity after:
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Teeth whitening
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Fillings
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Crowns
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Deep cleanings
This type of sensitivity usually resolves within a few days to a couple of weeks.
How to Fix Tooth Sensitivity
The right treatment depends on the cause. Here are the most effective solutions:
Use Desensitizing Toothpaste
Toothpastes designed for sensitivity help block the tiny tubules in dentin. With regular use, many patients notice improvement within a few weeks.
Improve Your Brushing Technique
Use a soft-bristled toothbrush and avoid scrubbing aggressively. Gentle, circular motions are more effective — and safer for your enamel and gums.
Fluoride Treatments
Professional fluoride applications can strengthen enamel and reduce sensitivity. Your dentist may recommend in-office treatments or prescription-strength fluoride at home.
Address Gum Disease
If gum recession is caused by periodontal disease, treating the infection can prevent further damage and discomfort.
Dental Restorations
If sensitivity is due to decay, cracks, or enamel loss, your dentist may recommend:
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A filling
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A crown
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Bonding
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A night guard (if grinding is the cause)
Treating the underlying issue often eliminates sensitivity completely.
When Should You See a Dentist?
Occasional mild sensitivity is common. However, you should schedule an appointment if:
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The pain is severe or persistent
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It’s affecting only one tooth
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You notice swelling or bleeding gums
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Over-the-counter toothpaste doesn’t help
Sensitivity can sometimes signal a bigger issue — and early treatment is always easier and less costly.
Don’t Ignore Tooth Sensitivity
Tooth sensitivity isn’t something you just have to live with. In most cases, it’s your mouth’s way of telling you something needs attention. With the right diagnosis and treatment plan, you can get back to enjoying hot coffee and cold treats without discomfort.
If you’re experiencing tooth sensitivity, schedule a dental exam to determine the cause and find the best solution for your smile.