Professional teeth whitening allows you to whiten your teeth by several shades. Here you will find everything you should look out for when whitening your teeth and what alternatives there are.
Reading time: 9min
Tooth whitening involves various methods to remove unwanted colour pigments on the teeth. Generally speaking, dental bleaching refers to a chemical process in which hydrogen peroxide penetrates into the tooth enamel, splits off oxygen radicals (atoms or molecules with at least one unpaired electron) and thus neutralises discoloured molecules.
The term “bleaching” means to make something whiter and/or to remove stains from it.
To achieve the desired result when whitening your teeth and to avoid any damage, professional teeth whitening is recommended. The most common teeth whitening treatments in dentistry are home bleaching and power bleaching, also called in-office bleaching.
Teeth are almost never perfectly white by nature. The natural ageing process or external influences, such as the consumption of certain drinks and/or foods like coffee, cause the teeth to darken over time and discolouration becomes visible. By bleaching your teeth, these colour pigments can be removed and the teeth can be whitened by several shades.
Benefits of teeth whitening:
For many, having white teeth means having beautiful teeth. There are even studies showing that people with white teeth are perceived to be more likeable. So it is no surprise that many would like to have a radiant smile with white teeth.
However, there are a few things you should look out for when removing tooth discolouration. We will explain why discolouration can occur, how tooth whitening works, what the most common treatments for white teeth are, who should avoid them and how you can whiten your teeth.
In addition to professional whitening, the most common and popular methods are simple domestic remedies. Below is a brief overview of the various methods, their differences and what you should pay attention to.
|Professional whitening||Home bleaching||Whitening toothpaste|
Easy to use
Not suitable for sensitive teeth
Should be repeated regularly
Little effect, temporary results
More than 1 year
Less than 1 year
Very short term
Unlike many teeth whitening treatments you get in the shop, home bleaching requires a professional whitening gel. In order for patients to whiten their teeth at home, they need custom-fit plastic trays.
Patients can fill the bleaching gel into their individual trays (aligners) and place them onto their teeth. Depending on the strength of the bleaching agent, the patient needs to wear the aligners for 1–8 hours. With the home bleaching it is possible to whiten the entire dental arch.
Home bleaching trays come in various types, which also differ in price. Simple trays start at CHF 50, but they are usually not a perfect fit. Custom-made whitening trays from the dentist start at around CHF 400.
At bestsmile you get a home bleaching kit for free with an Aligner treatment of both jaws. Whitening your teeth is the finishing touch for your new smile and you can pay for the Aligner treatment in flexible monthly instalments from CHF 40.
Depending on the intensity of the whitening gel used, lifestyle habits and dental hygiene, a home bleaching lasts between 3 to 24 months.
A professional whitening is a power bleaching or an in-office bleaching. This type of teeth whitening is performed directly in the dental practice.
Teeth are covered with a bleaching agent, which should be left on for 15–45 minutes. The gums are protected from the strong bleaching agent with a rubber-like coating. Unlike home bleaching, power bleaching can be applied to individual teeth and usually requires a stronger bleaching agent, which also means a stronger whitening effect.
A professional power bleaching starts at around CHF 300.
As a general rule, the effects of a professional bleaching last for over a year.
Nowadays, there is a wide choice of whitening toothpastes, but they are no substitute for proper whitening. With this type of tooth whitening, no chemical agent penetrates into the tooth. Discolouration caused by build-up is just removed from the tooth surface. Furthermore, the whitening effect of such bleaching products is also often only temporary and, in contrast to professional tooth whitening, relatively weak.
Whitening toothpaste can only remove superficial discolouration. You should be careful, however, as this can also attack the tooth enamel. Tiny cracks can appear on the tooth surface where colour pigments can be deposited more easily. In the long term, such products can discolour the tooth rather than whiten it.
Whitening toothpastes are available starting at CHF 5 in conventional supermarkets.
The whitening effect is very little and only temporary. Depending on the consumption of coffee, red wine or cigarettes, plaque will form again fairly quickly.
The results of tooth whitening can vary from person to person. The natural tooth colour, lifestyle habits and also how strong the whitening effect is, all have an impact on the final result.
There are a few things to consider when whitening your teeth, because not everyone's teeth can be whitened. If the teeth are healthy and not affected by cavities, teeth whitening is usually harmless. You should, however, be careful if you have impaired oral health or sensitive teeth. Furthermore, before whitening your teeth, always consult a dentist to avoid damaging teeth and gums.
Generally speaking, pregnant and breastfeeding women, children or people with impaired oral health should not have their teeth whitened. If the teeth are not healthy and bleaching is nevertheless carried out, the sometimes aggressive ingredients can penetrate deep into the tooth, damage it from the inside and lead to painful hypersensitivity.
It is therefore advisable to carry out a thorough dental examination before any whitening procedure. For an effective result, it is recommended to remove plaque, debris and build-up before whitening your teeth through a professional tooth cleaning.
Whitening products only work on natural teeth. The colour of fillings, crowns, bridges or veneers cannot be changed by bleaching as the desired result may not be achieved if these are in the visible area of the dental arch.
Your teeth may be slightly more sensitive after bleaching them, but the hypersensitivity goes away fairly quickly. It is important to use gentle and professional products to avoid risks.
At bestsmile, patients who opt for the Aligner treatment of both jaws get a home bleaching kit for free. The bleaching does not require any separate dental tray, as we already use custom-made aligners for our Aligner treatment. To successfully whiten your teeth, all you need are your custom-made Aligners and the whitening gel supplied, which lasts for 2 to 3 applications.
If you don’t have attachments, you can bleach your teeth during your treatment. But if you do have attachments, you should wait until they have been removed to make sure that the colour is consistent. 2–3 days after your bleaching, you should avoid strong pigmented foods such as coffee, red wine, curry or acidic fruit.
In most cases, it lasts between 3 months to a year, but it depends on the individual person. Depending on lifestyle habits and dental care, the bestsmile home bleaching should be repeated more often.
To keep your teeth beautifully white, there are some habits and tips you can follow:
There are several reasons why teeth discolour. On the one hand, the natural tooth colour may seem yellowish and has nothing to do with oral hygiene. On the other hand, external factors may affect the colour of the teeth. The shade and pigments of the tooth are often genetically determined. Generally speaking, there are 2 types of tooth discolouration.
This is caused by the penetration of staining substances such as:
These occur when dental plaque is discoloured by food and stimulants such as fruit juices, coffee, black tea, red wine or tobacco smoke.
If this plaque is not removed regularly through thorough oral hygiene, tartar can develop, which can also promote tooth discolouration or bad breath. Since in this case the discolouration is mainly on the surface of the teeth, it can easily be removed with a professional tooth cleaning.
Plaque or build-up are superficial, discolourations are inside the tooth. In the case of discolouration, the colour pigments are embedded in the tooth enamel and dentine. These stains cannot be removed with a superficial tooth cleaning. With a bleaching, which acts inside the tooth, colouring pigments can be neutralised.
Even if none of the whitening methods are suitable for you, there are still various methods to prevent tooth discolouration. Thorough dental care is essential for healthy teeth and also removes superficial discolouration in the long term.
Especially after consuming acidic foods, teeth should not be cleaned immediately afterwards. The acid contained in juices, red wine, fruits etc. dissolves minerals from the tooth surface, which makes the teeth vulnerable. It takes about 30 minutes for our saliva to neutralise these acids and the pH value in the mouth to change again. Therefore, in order to protect the tooth surface and avoid discolouration, you should always wait about half an hour after eating and drinking before brushing your teeth.