Why Does Teeth Whitening Cause Sensitivity

October 10, 2023, Dubai Cosmetic Surgery Clinic

Teeth Whitening treatments
Teeth Whitening treatments

Teeth whitening procedures, whether performed at a dental clinic or at home, can trigger tooth sensitivity due to several factors:


1. Increased Permeability:
Whitening gels temporarily increase the permeability of tooth enamel, exposing the sensitive dentin layer containing nerve endings.


2. Dehydration:
Some teeth whitening trays can lead to enamel dehydration, causing temporary sensitivity.


3. Gum Irritation:
Contact between bleaching gels and the gums can lead to irritation and heightened sensitivity.


Now, let's explore seven effective methods to soothe teeth sensitivity after whitening:

1. Use Hydroxyapatite Toothpaste:
Hydroxyapatite toothpaste can help reduce sensitivity by forming a protective barrier around your teeth. This barrier shields nerves from temperature-related discomfort. It's advisable to use this toothpaste for at least two weeks before whitening, but results may not be immediate. Consult your dentist for toothpaste recommendations and usage frequency.


2. Avoid Hot and Cold Drinks:
Hot or cold beverages can exacerbate tooth sensitivity by triggering nerve responses. These temperature fluctuations can lead to discomfort, so it's best to avoid such drinks after teeth whitening.


3. Rinse with Salt Water:
A simple yet effective solution is rinsing with salt water. Mix a teaspoon of salt in warm water, swish it in your mouth for 30 seconds, and then spit it out. This can help soothe tooth nerves and reduce gum inflammation.


4. Apply a Cold Compress:
Surprisingly, a cold compress can provide relief by reducing swelling and numbing tooth nerves. Apply ice cubes wrapped in a towel or use an ice pack on your cheek for 10 to 15 minutes.


5.Must use a Toothbrush Soft-Bristled:
A soft-bristled toothbrush is suitable for teeth and gums compared to hard-bristled ones, which can exacerbate the sensitivity. Soft-bristled toothbrushes are good for gentle cleaning.


6. Avoid Acidic Foods and Beverages:
Acidic foods and drinks can increase tooth sensitivity by eroding enamel. Opt for less acidic options like milk, cheese, yogurt, bananas, and oats, and avoid acidic beverages such as soda, fruit juice, and wine.


7. Use a Mouth Guard for Sensitivity:
If you grind or clench your teeth, consider using a mouth guard. Mouth guards act as a protective barrier, reducing pressure on teeth and minimizing sensitivity. They come in various styles, including custom-made options from your dentist or over-the-counter choices.



By following these tips, you can alleviate tooth sensitivity after teeth whitening and enjoy the benefits of a brighter smile without discomfort. If sensitivity persists or worsens, it's crucial to consult your dentist for further guidance on managing the issue.


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