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Treating and preventing mouth sores in Rotterdam

1 in 5 people suffer from mouth sores, but what exactly are they? How do they form? And most importantly, what can you do about them?

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Call: 010-282 7206

What are mouth sores?

Mouth sores (also called mouth ulcers) are small greyish-white spots with a red border inside the mouth. They often appear:

  • on the inside of the cheeks
  • on the inside of the lips
  • under the tongue
  • on the gums
  • on the palate


Mouth sores can be very painful, especially while eating or drinking.

What causes mouth sores?

The exact cause of mouth sores is still unknown, but we do know they are more common when linked to factors such as:

  • stress
  • hormonal changes
  • hereditary predisposition
  • deficiency of iron, vitamin B12, vitamin C, or folic acid
  • side effects of certain medication (e.g., fentanyl)
  • low immune system
  • accidentally biting the cheek
  • dry mouth
  • poorly fitting dentures
  • small injuries inside the mouth


It’s important to know that mouth sores are not contagious and are generally not dangerous.

Make an appointment
Call: 010-282 7206

What to do against mouth sores?

Mouth sores usually disappear on their own within about 14 days. To relieve symptoms, you can:

  • avoid spicy foods
  • ensure sufficient vitamins in your diet
  • avoid acidic drinks (like soda or orange juice)
  • avoid foods with sharp edges (like baguettes or crusty rolls)
  • don’t touch the sore with your tongue, fingers, or toothbrush
  • use a soft-bristled toothbrush to avoid irritation
    • apply an ice cube directly to the sore for relief

How to treat mouth sores?

Although they heal on their own, mouth sores can sometimes be very painful, making it hard to eat or drink. Some remedies often recommended include:

  • Perio-aid mouthwash – available at Mydent Dental Center Rotterdam
  • Perio-aid toothpaste – available at Mydent Dental Center Rotterdam
  • Lidocaine oral gel – available at the pharmacy
  • Evisense ulcer gel – available at the drugstore
Make an appointment
Call: 010-282 7206

What patients say about our dental practice in Rotterdam

With an excellent rating on Google is mydent, hét mondzorgcentrum Rotterdam among the best-rated dental practices in Rotterdam.

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Appointment for mouth sore treatment in Rotterdam

Would you like to schedule an appointment for mouth sore treatment in Rotterdam? Fill in the contact form below, and we will get back to you as soon as possible. For questions about the treatment, you can also call us during opening hours at 010-282 7206.