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Sensitive Teeth in Pregnancy: How to Treat Them

pregnancy care
sensitive teeth
pregnancy
dental sensitivity

Last updated: 3/24/2025

/ Published: 3/24/2025

How to treat sensitive teeth during pregnancy

During pregnancy, a woman’s body undergoes a series of hormonal and physical changes that can affect different aspects of health. One of the problems many women face during this stage is tooth sensitivity, an uncomfortable condition that can occur for various reasons. In this article, we explain why sensitive teeth in pregnancy are so common and what you can do to relieve them.

Why does tooth sensitivity happen during pregnancy?

Tooth sensitivity occurs when the tooth’s protective layer (the enamel) wears down or when the gums recede, exposing the inner part of the tooth, which is more sensitive. During pregnancy, there are several reasons why this may happen:

  • Hormonal changes: During pregnancy, levels of hormones such as oestrogen and progesterone increase significantly. These changes can affect gum health, encouraging the development of gingivitis, which can result in swollen and receding gums. Gum inflammation can expose more of the tooth surface, which increases sensitivity.
  • Increased blood flow: Increased blood flow to the gums during pregnancy can make the gums more sensitive and prone to inflammation. This can worsen tooth sensitivity, especially when consuming hot or cold foods.
  • Nausea and vomiting: Morning sickness is common in the early stages of pregnancy. Frequent vomiting can expose the teeth to stomach acid, which wears down tooth enamel and contributes to sensitivity.

For all these reasons, tooth sensitivity during pregnancy is a common issue that many women experience. However, there are solutions to help relieve this discomfort, such as using products specifically designed for sensitivity.

Toothache, a pregnancy symptom?

Tooth sensitivity can be a symptom of pregnancy due to several factors:

  • Hormonal changes: The rise in hormones such as progesterone and oestrogen during pregnancy can lead to increased tooth sensitivity and appear as an exaggerated inflammatory response in the gums. This increased sensitivity may be noticed particularly when eating cold foods.
  • Pregnancy gingivitis: this condition affects 45-60% of pregnant women and is characterised by swollen, bleeding gums. It generally occurs between the third and eighth month of pregnancy.
  • Enamel erosion: Frequent vomiting during the first trimester can damage tooth enamel due to stomach acids, increasing the risk of cavities and sensitivity.

Although toothache can be a symptom associated with pregnancy, this is not always the case, as it can also indicate other dental problems. For this reason, it is very important to maintain good oral hygiene during pregnancy, including regular brushing, flossing and routine dental check-ups.

How to relieve tooth sensitivity during pregnancy?

There are several ways to relieve sensitive teeth in pregnancy and protect your oral health:

Use products for sensitive teeth

Choosing a toothpaste specially formulated for tooth sensitivity is essential. Oral-B Calm Sensibilidad y Encías toothpaste is specifically formulated to reduce sensitivity and protect the gums. This toothpaste helps strengthen enamel and soothes inflamed gums, reducing the discomfort caused by sensitivity.

Choose a quality electric toothbrush

Using the right toothbrush is key to preventing enamel wear and keeping gums healthy. An electric toothbrush such as the Oral-B iO6, with advanced technology, can be an excellent choice during pregnancy. This electric toothbrush has a gentle design that supports effective yet delicate brushing, helping to reduce gum irritation and maintain overall oral health.

Avoid acidic foods and drinks

During pregnancy, it is advisable to avoid excessive consumption of acidic foods and drinks (such as citrus fruits, vinegar and fizzy drinks), as these can wear down tooth enamel even further. If you consume any of these foods, rinse your mouth with water afterwards to reduce the impact on your teeth.

Maintain regular oral hygiene

Brush your teeth at least twice a day with a toothpaste suitable for sensitivity and use dental floss to remove food debris. It is also important to rinse with an antiseptic mouthwash to help prevent gingivitis.

Increase dental check-ups

During pregnancy, it is essential to keep up with regular dental visits. Routine appointments make it possible to detect dental problems early and receive appropriate treatment to maintain oral health. In addition, if you experience tooth sensitivity during pregnancy severely or with ongoing discomfort, it is even more important to go for a full assessment. Tooth sensitivity can be a sign of other underlying problems, such as cavities or very inflamed gums. Make sure your dentist is aware of your pregnancy so they can adapt their recommendations during this stage.

Remember that maintaining good oral hygiene, avoiding acidic foods and speaking to your dentist are key steps to protect your dental health during pregnancy. If you experience intense or persistent discomfort, do not hesitate to seek professional advice to find the most suitable treatment.

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