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  • Writer's pictureAlexia Rocha

Teeth Whitening with Sensitive Teeth: Is It Possible?

Updated: May 2

Teeth Whitening with Sensitive Teeth: Is It Possible?

Most people seek a brighter, whiter smile for reasons ranging from boosting their confidence to enhancing their overall appearance. Teeth whitening is one of the most popular cosmetic dental procedures. It can be done safely with professional treatments by experienced teeth whitening technicians

However, if you have sensitive teeth, you may wonder whether teeth whitening is right for you. In this blog post, we explore what causes tooth sensitivity, how to whiten sensitive teeth, considerations for dental sensitivity after teeth whitening, and other factors to keep in mind.

What Causes Tooth Sensitivity?

Tooth sensitivity can arise from various issues, including:

1. Worn enamel: Enamel, the outermost layer of the teeth, is crucial in shielding the teeth from decay and external damage. Over time, aggressive brushing, consuming acidic foods and drinks, or ageing can erode the enamel, exposing the underlying dentin sensitive to hot, cold, or sweet stimuli. 2. Gum recession: As we age, or due to poor oral hygiene, the gums may recede, exposing the roots of the teeth. Since the roots contain sensitive nerve endings, this can lead to discomfort and pain.

3. Tooth decay: Cavities or decay break down the enamel, leaving the tooth structure compromised and more prone to sensitivity. This is particularly noticeable when consuming hot or cold beverages.

4. Cracked or chipped teeth: Damage to the tooth structure can expose sensitive areas of the tooth, including the dentin, which may cause pain and sensitivity.

5. Recent dental procedures: Dental work such as fillings, crowns, or professional cleanings can temporarily increase sensitivity, particularly if the work involves the removal of enamel or exposure of the dentin.

How Can You Whiten Sensitive Teeth?

If you’re looking for teeth whitening in Adelaide, you can still proceed with it even if you have sensitive teeth. Here at Alexia Makeup Hair Beauty, we offer tooth sensitivity-focused methods: 

Safe, effective and desensitising whitening gels: We proudly offer products containing a lower concentration of hydrogen peroxide or carbamide peroxide. These agents are less likely to cause irritation and sensitivity.  

1. Shorten treatment times: Reducing the exposure time of whitening agents can minimise discomfort. We work with you to carefully allow sufficient treatment time whilst tolerable by you.

2. Professional whitening: In-clinic whitening treatments may be safer and more effective for sensitive teeth. Experienced teeth whitening technicians can tailor the process to your specific needs, monitor sensitivity, and use protective barriers.

3. Aftercare: We provide crucial teeth whitening aftercare so you can achieve the best possible results and reduce sensitivity.

What About Dentin Sensitivity After Teeth Whitening?

Dentin sensitivity can occur after teeth whitening, especially when the procedure is done too frequently or with strong bleaching agents. This sensitivity usually subsides within a few days to a week. To manage post-whitening sensitivity:

Use desensitising toothpaste: Sensodyne toothpastes are great to relieve tooth sensitivity and can provide relief and protection.

Avoid very hot or cold foods and drinks: Avoiding temperature extremes can help ease sensitivity.

Take a break from whitening: If you experience significant sensitivity, consider pausing the whitening process to allow your teeth to recover.

Consult your dentist: If the sensitivity persists or worsens, seek professional advice.

Are There Other Considerations?

When deciding whether teeth whitening is suitable for you, keep the following in mind:

Existing dental work: Whitening agents won't change the colour of fillings, crowns, or veneers, which may lead to uneven colouration.

Oral health issues: Whitening should not be done if you have untreated cavities or gum disease. These issues need to be addressed first.

Pregnancy or breastfeeding: Due to limited data on safety, it's generally recommended that teeth whitening be avoided during these periods.

Maintenance: Whitening results are not permanent. To maintain your brighter, whiter smile, you may need to follow up with additional treatments.

Cost: Professional whitening by experienced teeth whitening technicians can be expensive, so consider your budget when exploring options.


Teeth whitening can enhance your smile and your confidence, but if you have sensitive teeth, it is essential to approach the process with care. Understanding what causes tooth sensitivity and how to whiten sensitive teeth safely can help you achieve the brighter, whiter smile you desire without discomfort. 

Always consult experienced teeth whitening technicians or your dentist in the first instance to ensure the best results for your treatment. For safe and affordable teeth whitening in Adelaide, book an appointment with us today. 

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