---
title: Can Sensitive Teeth Be Whitened? - Dental Designs Clinic Singapore
description: Sensitive teeth often make the idea of teeth whitening daunting for many. Read to find out how to avoid sensitivity and can sensitive teeth be whitened?
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---

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# Can Sensitive Teeth Be Whitened?: Tips and Precautions!

Dental Designs Clinic Singapore

02 Jul, 2024

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Sensitive teeth often make the idea of whitening daunting for many as they wonder can sensitive teeth be whitened? Concerns about potential discomfort or pain can deter individuals from undergoing treatment, especially since tooth sensitivity is a common side effect of many teeth whitening treatments, particularly those involving hydrogen peroxide.

However, there are whitening options designed specifically for sensitive teeth that can help you achieve a brighter smile without causing discomfort. Effective whitening for sensitive teeth is achievable with the right approach and precautions!

But, how?

Well, the key lies in consulting your dentist beforehand and opting for whitening treatments for teeth under their guidance. Modern professional whitening agents now offer improved safety standards, making it easier than ever to brighten and whiten teeth, even for those with sensitivity.

 

## What causes tooth sensitivity?

Let's explore why your tooth is sensitive in the first place. Tooth sensitivity arises when there is a disruption in the normal structure of the tooth, particularly involving its outermost and protective layer, the enamel. Therefore, tooth sensitivity may occur due to the following reasons.

### Enamel Damage

Enamel is the hardest substance in the human body. However, factors such as aggressive brushing, acidic foods and drinks or [teeth grinding](https://www.dentaldesigns.com.sg/en-sg/articles/tooth-grinding-bruxism-all-you-need-to-know) can wear down the enamel over time. As enamel thins or develops [microscopic cracks](https://www.dentaldesigns.com.sg/en-sg/articles/teeth-grinding-cracked-tooth), it becomes less effective in protecting the vulnerable underlying layers from external stimuli.

### **Gum Recession**

Normally, the gums cover the neck of the tooth where the crown meets the root, protecting the sensitive root surfaces. When gums recede due to factors like gum disease, aggressive brushing or aging, the root surfaces can become exposed. Unlike hard enamel, the root surface is covered by softer tissue that lacks the same level of protection. Exposed roots can lead to increased sensitivity.

### **Tooth Decay (cavities) and Deep Fillings**

Cavities are areas of damage to the tooth caused by bacterial acids. As decay progresses, it eats away at the protective enamel layer and eventually reaches the vulnerable inner layers. Deep fillings, which are used to treat extensive decay, can also result in sensitivity if they are close to the tooth's pulp, where the nerves are located.

![Sensitive-teeth-causes](https://www.dentaldesigns.com.sg/hs-fs/hubfs/Sensitive-teeth-causes.jpg?width=600&height=483&name=Sensitive-teeth-causes.jpg)

Any existing dental issues should be addressed before attempting tooth whitening. During your check-up, your dentist will identify the cause of your tooth sensitivity. Once these issues are treated, we can safely proceed with whitening your teeth, giving you the perfect smile.

 

### Related Articles

- <https://www.dentaldesigns.com.sg/en-sg/articles/does-whitening-teeth-weaken-enamel-dental-designs-clinic-singapore?hs_preview=BfDssMDc-171614784316>[Let's debunk this myth - does whitening teeth weaken enamel?](https://www.dentaldesigns.com.sg/en-sg/articles/does-whitening-teeth-weaken-enamel-dental-designs-clinic-singapore?hs_preview=BfDssMDc-171614784316)
- [How to Whiten Teeth: 10 Essential Facts You Must Know (2024)](https://www.dentaldesigns.com.sg/en-sg/articles/10-things-need-know-tooth-whitening)

## **Can whitening procedure cause sensitivity?**

Teeth brightening can cause sensitivity, particularly in individuals with already sensitive teeth. This common side effect is typically temporary and can be managed with proper precautions and care. Below are some reasons why whitening procedure may cause sensitivity.

#### **1) Exposure to Whitening Agents**

Whitening products contain active ingredients like hydrogen peroxide or carbamide peroxide, which penetrate enamel to break down or removing stains. During this process, the inner tooth layer (dentin) and the nerves can become temporarily exposed, causing sensitivity.

#### **2) Dehydration of Teeth**

Whitening agents dehydrate teeth by removing moisture from the tooth structure. This dehydration can heighten sensitivity, especially to temperature changes and certain foods or drinks. Fortunately, this type of sensitivity is usually temporary and subsides as the teeth rehydrate.

#### **3) Existing Dental Conditions**

Individuals with pre-existing dental issues such as worn enamel, cavities, gum recession or exposed dentin are more likely to experience increased sensitivity during and after whitening procedure. Addressing these conditions before whitening can help minimise sensitivity.

#### **4) Gum Irritation**

If the whitening gel comes into contact with the gums, it can cause irritation and increase sensitivity in the surrounding area. Proper application techniques and the use of custom-fitted trays can help minimise this risk.

During your consultation, your dentist will work with you to determine the most effective whitening option for your smile. So, can sensitive teeth be whitened?

 

## **What precautions can I take to avoid sensitivity after tooth brightening?**

| **Before whitening** | - **Consult a dentist before starting: **Your dentist can assess the condition of your teeth and gums, recommend suitable whitening products and address any existing dental issues. - **Use desensitising toothpaste: **Begin using a desensitising toothpaste containing potassium nitrate or stannous fluoride a few weeks before your whitening treatment. This helps reduce sensitivity by strengthening enamel and soothing tooth nerves. - **Treat dental issues first: **Address any dental problems such as cavities, gum disease or exposed roots before whitening. This ensures your teeth are healthy enough for the procedure and minimises the risk of increased sensitivity. |
| --- | --- |
| **During whitening** | - **Opt for professional whitening: **They** **often safer and more controlled than over-the-counter products. - **Follow instructions carefully: **Adhere to the recommended application times and frequency. Overusing whitening products or leaving them on for too long can increase the risk of sensitivity. - **Avoid contact with gums: **Ensure the whitening gel is applied only to the teeth and does not touch the gums. Custom-fitted trays from your dentist can help achieve this. |
| **After whitening** | - **Avoid extreme temperatures: **Refrain from consuming very hot or cold foods and beverages immediately after whitening, as your teeth may be more sensitive to temperature changes. - **Use a fluoride treatment: **Apply a fluoride treatment or rinse to your teeth after whitening. Fluoride helps remineralise enamel and reduces sensitivity. - **Maintain good oral hygiene: **Continue brushing and flossing regularly with a soft-bristled toothbrush and non-abrasive toothpaste. |

 

## **What are the professional options available for whitening sensitive teeth?**

Professional whitening of teeth can be done either in-office or at-home. In-office whitening is performed at the d[ental clinic using a high concentration of whitening gel activated by special lights](https://www.dentaldesigns.com.sg/en-sg/articles/do-teeth-whitening-lights-work-dental-designs-clinic-singapore). This method delivers immediate results, often in just one visit.

[Whitening toothpastes](https://www.dentaldesigns.com.sg/en-sg/articles/teeth-whitening-toothpaste-does-it-really-work-dental-designs), are a great option for those with tooth sensitivity. These toothpastes work by gently removing surface stains while also calming the nerves in your teeth, which helps reduce sensitivity.

![portrait-expressive-young-woman](https://www.dentaldesigns.com.sg/hs-fs/hubfs/portrait-expressive-young-woman.jpg?width=600&height=400&name=portrait-expressive-young-woman.jpg)On the other hand, at-home whitening systems also provide effective results but over a longer period, usually several weeks. Using custom-fitted trays at home, you apply whitening gel daily to gradually whiten your teeth over time. This is a convenient way to whiten your teeth at home, but care should be taken to select products that are gentle yet effective. While these options may take longer to achieve the desired results, they are a safer choice for those with sensitive teeth. 

[Read more about the different tooth whitening procedures here.](https://www.dentaldesigns.com.sg/en-sg/articles/dentists-guide-teeth-whitening-singapore-2026)

 

## What are the alternatives to whitening for sensitive teeth?

For individuals with sensitive teeth who wish to avoid whitening methods, several alternatives are available:

- [Tooth Bonding](https://www.dentaldesigns.com.sg/en-sg/services/dental-fillings) – This involves applying a tooth-coloured composite resin material to the tooth surface to cover areas of discolourations or minor imperfections like chips or cracks.
- [Dental Veneers](https://www.dentaldesigns.com.sg/en-sg/services/veneers) –  These are custom-made thin shells that fit over the front surface of teeth. Before placement, a small amount of enamel is typically removed for a proper fit and natural appearance.
- [Dental Crowns ](https://www.dentaldesigns.com.sg/en-sg/services/dental-crowns)– Dental crowns cover the entire tooth and are made from materials like porcelain, metal or a combination. They also require shaving of tooth structure to improve both esthetic and functional aspects of the tooth.

 

The answer to can sensitive teeth be whitened is yes! While [whitening procedure ](https://www.dentaldesigns.com.sg/en-sg/services/teeth-whitening)can pose challenges for those with sensitive teeth, it can be successfully achieved with the right approach and precautions. Consulting with a dentist to identify the causes of sensitivity can help minimise discomfort.

[Find out how](https://24079546.hs-sites.com/contactus-0) our dentists can help you achieve a brighter smile. 

[WhatsApp us at : +65 8200 9092](https://wa.me/6582009092)

[Call us at : +65 6221 8284](tel:+6562218284)

 

### References

- Pierote, J. J. A., Barbosa, I. F., Prieto, L. T., Lima, D. A. N. L., Paulillo, L. A. M. S., & Aguiar, F. H. B. (2019). Effects of desensitizing dentifrices on the reduction of pain sensitivity caused by in-office dental whitening: a double-blind controlled clinical study. *Clinical, Cosmetic and Investigational Dentistry*, *11*, 219–226. [doi.org/10.2147/CCIDE.S198940](https://doi.org/10.2147/CCIDE.S198940)
- Kose C, Calixto AL, Bauer JR, Reis A, Loguercio AD. Comparison of the Effects of In-office Bleaching Times on Whitening and Tooth Sensitivity: A Single Blind, Randomized Clinical Trial. Oper Dent. 2016 Mar-Apr;41(2):138-45. doi: 10.2341/15-085-C. Epub 2015 Oct 28. PMID: 26509229.

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