Introduction

The changing seasons can have a biggerimpact on your mouth than you might think. From colder winter weather causingtooth sensitivity, to summer dehydration increasing the risk of dry mouth, youroral health can be influenced by the time of year. According to the Oral HealthFoundation and the College of General Dentistry, being aware of these changeshelps you protect your smile all year round.

Winter: Cold Temperatures and SensitiveTeeth

• Tooth sensitivity: Cold air or chilly drinks can trigger discomfort, especially if you already have worn enamel or exposed dentine.
• Chapped lips and dry mouth: Heated indoor air and reduced hydration can dry out the mouth, increasing the risk of decay and gum problems.
• Seasonal illnesses: Cough syrups and lozenges often contain sugar, which may raise your risk of cavities if used frequently.

Spring: Allergies and Oral Health

• Hay fever: Seasonal allergies can cause mouth breathing, leading to dryness and bad breath.
• Medication side effects: Antihistamines reduce saliva production, which may increase the risk of gum disease and decay.
• Sinus pressure: Can sometimes be mistaken for toothache, highlighting the importance of professional diagnosis.

Summer: Dehydration and Acidic Drinks

• Dry mouth: Hot weather and increased activity can reduce saliva flow, which normally protects your teeth.
• Sports drinks and fizzy drinks: Often high in sugar and acids, these can erode enamel and promote decay.
• Cold treats: Ice lollies or chilled drinks may trigger tooth sensitivity if enamel is worn.

Autumn: Lifestyle Changes and ComfortFoods

• Dietary habits: Heavier comfort foods and sugary snacks around celebrations like Halloween can increase the risk of decay.
• Reduced daylight: Lower vitamin D levels may affect bone and gum health, making a balanced diet more important.
• Seasonal routines: Busy school or work schedules can sometimes mean oral hygiene routines slip, making regular reminders important.

Tips for Healthy Teeth All Year Round

No matter the season, some habits areuniversally protective:

• Brush twice daily with fluoride toothpaste.
• Clean between your teeth with floss or interdental brushes.
• Drink plenty of water to stay hydrated and support saliva flow.
• Choose sugar-free medicines and sweets where possible.

Visit your dentist and hygienist regularly forpreventive care.

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FAQs

Why do my teeth hurt more in the cold?

Exposed dentine or enamel erosion can make teeth more sensitive to temperaturechanges. Your dentist can suggest treatments such as desensitising toothpaste.

Do allergies really affect oral health?

Yes. Mouth breathing and antihistamines both reduce saliva, increasing the riskof decay and gum disease.

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