Dentistry6 Side Effects Of Teeth Whitening

It’s human nature to be conscious about looks and facial features. This is why many cosmetic products that promise to enhance beauty are vastly dominating the market. But aside from make-up and smooth skin, a good set of teeth can also contribute to an overall pleasant look. This is why many toothpaste and mouth products promise to give you white, shiny teeth and fresh breath.

Thanks to innovations in cosmetic dentistry, there are now many ways and means to improve your teeth. Whitening or bleaching the teeth is a safe procedure that enhances your teeth and gives you a whiter smile. However, like all other procedures and regimens, they can come with side effects.

Here are some probable side effects to anticipate and be aware of if you’re thinking of having teeth whitening procedures:

1. Sensitive Teeth

The bleaching process may cause hypersensitivity, and that may last for a short period afterward. This side effect is subjective, though, as some patients may not feel it. However, if this happens, the ultimate reason for it is the exposure of the dentin layer. During the whitening process, this layer is directly exposed, causing all teeth to become sensitive.

To determine what teeth whitening options are suitable for your situation, talk to your dentist before you decide to whiten your teeth. If the increased sensitivity during the whitening or bleaching process bothers you, your dentist in Bankstown can suggest products that may lessen this effect.

2. Irritated Gums

Carbamide Peroxide is a component of most teeth bleaching products necessary for effective bleaching. However, the gums and soft tissues of the mouth can be damaged by the high concentration of this substance.

So, another side effect of tooth bleaching is the possibility of having irritated gums. Even though dentists will attempt to protect your gums and soft tissues from a tooth bleaching product, it could still get into the gums and cause unpleasant chemical reactions that can cause pain and irritation. However, this is just a temporary effect, so you can expect the irritation to dissipate in a few hours after being exposed to the bleaching component.

3. Discomfort

One of the dental myths that you should stop believing is that teeth bleaching is dangerous. Sure, you may also feel a sensation like an electric shock when you have just had your teeth whitened, as this may be caused by the bleaching agent used during the procedure, but it’s not entirely enough to tag it as dangerous. Others describe this effect in comparison to a tingling sensation in the mouth. You may observe which areas you feel on your mouth and ask your dentist about it, so they can go over your teeth and find out what’s causing it. Although this should last temporarily, you may seek a dentist’s advice during a follow-up session if the discomfort continues post-treatment.

4. Tooth Damage Due To Over Bleaching

Bleaching doesn’t go beyond a certain point; the process plateaus and peroxide doesn’t whiten further anymore. This is essential information for people who expect to have unlimited sessions of teeth whitening. When treated, the enamel will be broken down, resulting in altering its structure. When a patient’s initial shade is compared with a shade guide, the dentist can determine when the patient’s bleaching has reached its plateau. So, it’s crucial to have your bleaching treatment done by your family dentist rather than going for over-the-counter whitening products, which may cause enamel damage due to overuse and improper application.

5. Inflamed Teeth

In particular, teeth compromised due to cracks or breakage will be more sensitive to bleaching and whitening because the pulp of those teeth could be inflamed. Teeth whitening gels contain strong chemicals that can temporarily irritate the nerves inside teeth as well. Those with gum recession or exposed roots tend to suffer more from this reaction. So, if you do have cracks and teeth issues before treatment, consult your dentist before proceeding with the procedure.

6. Allergic Reaction

In any kind of teeth whitening procedure or treatment, there is always a chance of an allergic reaction. This is difficult to anticipate as an allergy could simply happen to anyone. Although you may want to have a generic tooth whitening procedure, consulting with your dentist will help you avoid allergic reactions. Your family dentist already knows your background and teeth health history, so they can better evaluate and assess if it’s safe for you. And if you are aware that you have existing allergies—whether to a certain food, drink, or any substance, it’s best to disclose that to your dentist too.

Unwanted Results

Aside from side effects, teeth whitening can also produce unwanted results. Like any other method or procedure, it doesn’t have a 100% guarantee. It is still likely that you would not get the results you imagined just by undergoing teeth whitening procedures. When your teeth are heavily stained or internally discolored, whitening may not produce a noticeable improvement. So, be mindful of this possibility.

In fact, whitening your teeth too often may make them appear gray or translucent, rather than the creamy white shade many people desire. Also, you should think twice about getting this treatment, especially if you have fillings, crowns, and veneers on your teeth. All these can affect the result of the procedure.


Side effects from teeth whitening are rarely seen. However, it is always beneficial to let patients know what risks could arise and avoid them as much as possible. Hopefully, the details above have cleared your mind and made you aware of the possible side effects of a teeth whitening or bleaching treatment. It is best to speak with your dentist first, especially if you have allergies or if you want to achieve a specific result.

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