*Updated December 2025

Key takeaways about tooth sensitivity during the winter:

• Cold weather can worsen tooth sensitivity because teeth contract in low temperatures, potentially exposing sensitive dentin and roots and increasing discomfort.
• Common causes of sensitivity include enamel erosion from hard brushing or grinding, gum recession, cracked teeth, and certain whitening products or dental procedures.
• You can manage tooth sensitivity by using a soft-bristled brush, switching to toothpaste for sensitive teeth, limiting acidic foods, protecting your teeth from cold air, and visiting your dentist if discomfort persists.

Have you ever experienced tooth sensitivity in the cold?

Tooth sensitivity can be uncomfortable any time of year, but for many it becomes especially bothersome when cold weather comes around. That sharp, sudden pain when you breathe in chilly air or sip a hot drink can disrupt your day and make winter less enjoyable.

Learn how cold weather affects tooth sensitivity and tips to manage tooth sensitivity throughout the winter season:

What causes tooth sensitivity?

Tooth sensitivity can be caused by many factors that expose or irritate dentin, the underlying layer beneath tooth enamel. Common causes include:

• Brushing teeth too hard: Vigorous brushing or using a hard-bristled toothbrush can wear down enamel and expose dentin, leading to tooth sensitivity.
  • Pro tip: Learn how to brush your teeth the correct way.
• Teeth grinding (bruxism): Grinding wears down the enamel, exposing dentin and leading to sensitivity, particularly on biting surfaces.
• Cracked teeth: Cracks or fractures in teeth allow irritants to reach the dentin or even the pulp, which can result in sharp sensitivity or pain.
• Gum recession: Receding gums may expose the roots of teeth, which are more sensitive than the protected areas of the tooth.
• Some teeth whitening products: Some whitening agents can temporarily increase tooth sensitivity by weakening the enamel or irritating the gums.
• Recent dental procedures: Cleanings, fillings, or other treatments may cause temporary sensitivity due to irritation or exposure of underlying dentin.

Why does cold weather make tooth sensitivity worse?

Teeth can feel sensitive when exposed to hot, cold, or sweet food coming into contact with the tooth nerve, causing pain. However, tooth sensitivity may worsen in the winter or when exposed to cold air for a few reasons.

• Thermal contraction: Teeth, like many materials, react to cold by contracting. When enamel and dentin contract at different rates, tiny gaps can form, potentially exposing the underlying sensitive dentin.
• Exposed dentin or roots: If gums have receded or if enamel is worn down, exposing the dentin or tooth roots, the cold can reach these sensitive areas directly, triggering discomfort or pain.
• Increased blood flow: When teeth are exposed to cold, the body may increase blood flow to the area as a response, which can intensify the sensation and make the teeth feel even more sensitive.

Tips for managing tooth sensitivity in cold weather

Wearing a scarf to cover your mouth or breathing through your nose can help shield your teeth from the cold air when you’re outside, reducing sensitivity during colder weather. Additionally, changes to your oral health care routine may help protect against tooth sensitivity.

Here are some ideas:

• Use a soft-bristled toothbrush: Use a soft-bristled toothbrush and try to avoid brushing too hard. Using soft-bristled toothbrushes will cause less irritation to the tooth surface and gums.
• Change your toothpaste: Use a toothpaste made for sensitive teeth or those with exposed root surfaces. Not all desensitizing toothpaste works the same, so ask your dentist for recommendations.
• Maintain a good oral hygiene routine: Brush your teeth twice daily, floss once daily, and schedule a dental visit every six months if you can.
• Try to avoid teeth grinding: Consider consulting your dentist and purchasing a nightguard to protect against teeth grinding.
• Make changes in your diet: Acidic foods and beverages (like citrus, soda, or vinegar-based foods) weaken enamel, making teeth more vulnerable to temperature changes. Avoid or limit these foods and drinks to reduce tooth sensitivity.

When to see a dentist for tooth sensitivity

Although tooth sensitivity is common, there are times when it’s a good idea to see your dentist. If your sensitivity lasts more than a few weeks or doesn’t improve with desensitizing toothpaste or at-home remedies, it’s time for a professional evaluation.

If both hot and cold temperatures, or even chewing or brushing, cause pain, it could signal deeper dental problems that need to be treated by a dental professional. Intense or sharp pain may indicate a more serious issue, like a cracked tooth, cavity, or exposed root that needs treatment.

As a good rule of thumb, if tooth sensitivity is becoming bothersome, it’s time to see your dentist. Don’t wait until the sensitivity becomes too painful to seek evaluation.

Click here to find a dentist in your area.

Do you regularly experience an uncomfortable, sticky feeling in your mouth? Do you find it difficult to chew, swallow, or speak at times? You may be suffering from dry mouth.

*Updated November 2025

Key takeaways about diabetes and oral health: 

• Diabetes significantly increases the risk of oral health issues, including gum disease, dry mouth, and infections.
• There’s a two-way relationship between diabetes and gum disease. Each can worsen the other.
• Managing blood sugar levels and maintaining good oral hygiene are essential for preventing serious dental complications.

Diabetes is a chronic condition that affects millions of people in the United States. According to the Centers for Disease Control and Prevention, an estimated 38.1 million people live with diabetes, and around 8.7 million of those people meet the criteria to have diabetes but are undiagnosed.

As the number of individuals affected by this condition continues to rise, it’s crucial to understand the broader impact diabetes can have on overall health and oral health.

What is diabetes?

Diabetes is a chronic condition where the body struggles to regulate blood sugar levels due to either insufficient insulin or insulin resistance.

• In type 1 diabetes, the body doesn’t produce insulin, requiring daily insulin management.
• In type 2 diabetes, the body becomes resistant to insulin or doesn’t produce enough, which is often linked to lifestyle factors. Gestational diabetes occurs during pregnancy but can raise the risk of type 2 diabetes later.

When left unmanaged, diabetes can lead to complications like heart disease, kidney damage, vision problems, and oral health issues.

How diabetes impacts oral health

Diabetes impacts nearly every part of the body, including the mouth. People with diabetes are more prone to developing specific oral health issues due to fluctuating blood sugar levels.

Some of the most common oral health side effects of diabetes include:

• Dry mouth: Diabetes can reduce saliva production, leading to dry mouth, which increases the risk of tooth decay and gum disease.
• Oral thrush: Higher glucose levels in saliva can create an environment for fungal infections, such as oral thrush.
• Gum disease (gingivitis and periodontitis): People with diabetes have a heightened risk of gum disease, which, if untreated, can lead to tooth loss and infections.

Diabetes and gum disease

One of the most significant oral health risks for people with diabetes is gum disease. High blood sugar levels can lead to elevated glucose in saliva, which encourages bacterial growth and increases the risk of gum infections. Severe gum disease, also known as periodontitis, is a cause of tooth loss in adults.

It’s important to understand that the connection between diabetes and gum disease is cyclical. Not only does diabetes increase the likelihood of gum disease, but severe gum disease can also make it harder to manage blood sugar levels, further complicating diabetes control.

How diabetes affects gum disease treatment

Diabetes not only increases the risk of developing gum disease but also impacts the body’s ability to heal after treatment for periodontal disease. This makes early prevention and treatment of gum disease crucial for individuals with diabetes. Routine dental checkups and proper management of diabetes can help reduce the risk of severe gum complications.

Tips for managing diabetes and protecting your oral health

Managing diabetes effectively plays a critical role in maintaining oral health. Here are some tips to help you keep your mouth healthy if you are living with the condition:

• Control blood sugar levels: Maintaining stable blood sugar levels is essential not just for overall health but also for oral health. Uncontrolled diabetes increases the risk of gum disease, dry mouth, and infections.
• Practice good oral hygiene: Brush your teeth twice a day and floss daily to reduce the risk of gum disease and cavities.
• Inform your dentist about your diabetes: Always let your dentist know about your diabetes diagnosis. This will help them tailor your treatment plan and monitor potential signs of gum disease or other oral health issues more closely.
• Schedule regular dental checkups: Visit your dentist at least once a year for preventive cleanings and checkups. Early detection of gum disease or other oral problems is crucial in managing them before they worsen.
• Quit smoking: Smoking can exacerbate gum disease and increase the risk of other oral health issues. For people with diabetes, quitting smoking is one of the most effective steps you can take to protect your mouth.
• Monitor your gums: Pay attention to any signs of gum problems, such as swelling, redness, bleeding, or pain. If you notice any new symptoms, contact your dentist immediately to prevent the issue from progressing.

Controlling diabetes helps safeguard your teeth and gums

Diabetes can have a serious impact on oral health, but with proper management and regular dental care, many complications can be prevented. Staying on top of blood sugar levels and oral hygiene helps protect your smile and supports your overall well-being.

For more information about the connection between oral health and overall health, check out our blog: Oral health tips for those struggling with mental health challenges.

Swollen gums can be an uncomfortable and alarming condition, sometimes indicating underlying dental issues or general health problems. Understanding the reasons behind your swollen gums can help you take appropriate action to correct the problem and maintain your oral health.