Sensitive Teeth: Causes, Symptoms, Treatments, And More

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Why Are My Teeth So Sensitive?

Medically reviewed by Christine Frank, DDS — Written by Ana Gotter — Updated on September 29, 2018

Have you ever felt pain or discomfort after a bite of ice cream or a spoonful of hot soup? If so, you’re not alone. While pain caused by hot or cold foods could be a sign of a cavity, it’s also common in people who have sensitive teeth.

Tooth sensitivity, or “dentin hypersensitivity,” is exactly what it sounds like: pain or discomfort in the teeth as a response to certain stimuli, such as hot or cold temperatures.

It may be temporary or a chronic problem, and it can affect one tooth, several teeth, or all the teeth in a single individual. It can have a number of different causes, but most cases of sensitive teeth are easily treated with a change in your oral hygiene regimen.

Symptoms of sensitive teeth

People with sensitive teeth may experience pain or discomfort as a response to certain triggers. You may feel this pain at the roots of the affected teeth. The most common triggers include:

hot foods and beverages
cold foods and beverages
cold air
sweet foods and beverages
acidic foods and beverages
cold water, especially during routine dental cleanings
brushing or flossing teeth
alcohol-based mouth rinses

Your symptoms may come and go over time for no obvious reason. They may range from mild to intense.

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What causes sensitive teeth?

Some people naturally have more sensitive teeth than others due to having thinner enamel. The enamel is the outer layer of the tooth that protects it. In many cases, the tooth’s enamel can be worn down from:

brushing your teeth too hard
using a hard toothbrush
grinding your teeth at night
regularly eating or drinking acidic foods and beverages

Sometimes, other conditions can lead to tooth sensitivity. Gastroesophageal reflux (GERD), for example, can cause acid to come up from the stomach and esophagus, and may wear down teeth over time. Conditions that cause frequent vomiting — including gastroparesis and bulimia — can also cause acid to wear down the enamel.

Gum recession can leave sections of the tooth exposed and unprotected, also causing sensitivity.

Tooth decay, broken teeth, chipped teeth, and worn-down fillings or crowns can leave the dentin of the tooth exposed, causing sensitivity. If this is the case, you’ll likely only feel sensitivity in one particular tooth or region in the mouth instead of the majority of teeth.

Your teeth may be temporarily sensitive following dental work like getting fillings, crowns, or teeth bleaching. In this case, sensitivity will also be confined to one tooth or the teeth surrounding the tooth that received dental work. This should subside after several days.

How are sensitive teeth diagnosed?

If you’re experiencing tooth sensitivity for the first time, make an appointment with your dentist. You can book an appointment with a dentist in your area using our Healthline FindCare tool. They can look at the health of your teeth and check for potential problems like cavities, loose fillings, or recessed gums that could be causing the sensitivity.

Your dentist can do this during your routine dental cleaning. They’ll clean your teeth and do a visual exam. They may touch your teeth using dental instruments to check for sensitivity, and they might also order an X-ray on your teeth to rule out causes like cavities.

How is tooth sensitivity treated?

If your tooth sensitivity is mild, you can try over-the-counter dental treatments.

Choose toothpaste that’s labeled as being specifically made for sensitive teeth. These toothpastes won’t have any irritating ingredients, and may have desensitizing ingredients that help block the discomfort from traveling to the nerve of the tooth.

When it comes to mouthwash, choose an alcohol-free mouth rinse, as it will be less irritating to sensitive teeth.

Using softer toothbrushes and brushing more gently can also help. Soft toothbrushes will be labeled as such.

It typically takes several applications for these remedies to work. You should see an improvement within a week.

If home treatments don’t work, you can talk to your dentist about prescription toothpaste and mouthwash. They may also apply fluoride gel or prescription-grade desensitizing agents in-office. These can help to strengthen the enamel and protect your teeth.

Treating medical conditions that cause tooth sensitivity

If underlying conditions are causing your tooth sensitivity, you’ll want to treat it before it causes the enamel to wear down and damage the teeth.

GERD can be treated with acid reducers, and bulimia should be treated under a supervising psychiatrist.

Receding gums can be treated by brushing more gently and maintaining good oral hygiene. In cases of intense sensitivity and discomfort due to severe gum recession, your dentist may recommend using a gum graft. This procedure involves taking tissue from the palate and placing it over the root to protect the tooth.

You can train yourself to stop clenching or grinding your teeth by being mindful not to do so during the day. Reducing stress and caffeine before bed can also help prevent you from grinding your teeth at night. If this doesn’t work, you can use a mouthguard at night to prevent the grinding from damaging your teeth.

What’s the outlook for tooth sensitivity?

If your tooth sensitivity is making it difficult to eat, talk to your dentist about finding a solution. There are many toothpastes and mouthwashes designed for sensitive teeth available over the counter.

If these aren’t effective, talk to your dentist about prescription toothpaste and mouthwash. You should also make an appointment with your dentist if you experience symptoms of cavities or potential root damage so you can get treatment quickly and prevent complications. These symptoms may include:

spontaneous tooth pain that occurs without an obvious cause
tooth sensitivity localized to one tooth
sharper pain instead of milder pain
staining on the surface of your teeth
pain when biting down or chewing

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How we reviewed this article:

SourcesHistoryHealthline has strict sourcing guidelines and relies on peer-reviewed studies, academic research institutions, and medical journals and associations. We only use quality, credible sources to ensure content accuracy and integrity. You can learn more about how we ensure our content is accurate and current by reading our editorial policy.

Gumgraft surgery. (n.d.).https://www.perio.org/consumer/gum-graft-surgery
Mayo ClinicStaff. (2017). Cavities/tooth decay.https://www.mayoclinic.org/diseases-conditions/cavities/symptoms-causes/syc-20352892
Sensitiveteeth: Causes and treatment. (2003).https://www.ada.org/~/media/ADA/Publications/Files/patient_33.pdf?la=en

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Medically reviewed by Christine Frank, DDS — Written by Ana Gotter — Updated on September 29, 2018

Sensitive Teeth: Causes, Symptoms, Treatments, And More

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Parenthood

Symptoms of sensitive teeth

What causes sensitive teeth?

How are sensitive teeth diagnosed?

How is tooth sensitivity treated?

Treating medical conditions that cause tooth sensitivity

What’s the outlook for tooth sensitivity?

How we reviewed this article:

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