What is teeth whitening?


During an in-office teeth whitening the colour of the tooth is changed by a chemical way. A whitening gel is placed on the teeth while protecting the gum and keeping the saliva away. The treatment is done by a dentist or a dental hygienist. The tooth-whitening composition oxidizes (whitens) the stains in the teeth.


How teeth whitening is performed?

Single in-office whitening can lighten teeth up to 1-2 shades (assessed with classical Vita shade guide). To document the whitening effect, digital pictures are taken before and after the whitening procedure. During teeth whitening procedure the teeth may become sensitive from the whitening material placed on them. The procedure of in-office teeth whitening can be repeated after 3 days. At- home bleaching is able to lighten teeth further. Even this way, the desired tooth shade cannot be guaranteed. However, you will have to pay for each bleaching session also in this case. If you know, that you have a very sensitive tooth, please let us know. In this case it is possible to anesthetize 1 or 2 teeth with an injection. Anesthetizing all the teeth is not possible, because it would require the administration of too many injections. Naturally, whitening is recommended only for healthy teeth with no tooth decay or tartar build-up.


Before teeth whitening:

Removal of tartar build-up is necessary, mechanically removable pigments should be removed by using depurator, sandblasting. There are some teeth that (following an injury) became discoloured due to the root filling material, filling material. They are worth having cleaned from inside as well to get the optimum, uniform result.



During teeth whitening:

After tooth polishing, the freshly mixed whitening material will be placed with a brush in 2-mm thickness on the dried teeth surfaces.
Subsequently, 15x30-second application of light will be intermittently followed by 10- second pause under the set program for whitening with a device to activate the bleaching gel.



After teeth whitening

Within 3 weeks, the post-whitening colour of the teeth will slightly darken again and this condition can be considered permanent. During these 3 weeks, one should definitely avoid intensely coloured substances. Since the time when the teeth will darken again depends on how often you consume products that stain (for example: nicotine, coffee, tea, red vine, fruit juice). Good oral hygiene and the use of whitening toothpaste (if used in too frequent way it may cause sensitivity, therefore 1 tube is recommended for 6 months) may slow down this process.


Expected result of teeth whitening

The result of the teeth whitening cannot be predicted, teeth all respond differently to the bleaching process. Therefore multiple teeth whitening sessions might be needed to achieve the desired effect. After a single tooth whitening process 1-2 shade lightening can be expected, measured by the VITA Classic shade guide.



Dental hygiene treatment:

Learning the correct technique for brushing your teeth helps to maintain your gums, teeth, dentures at home as well. Hereby you can prolong the lifespan and the whiteness of your teeth. Oral hygiene procedures involve removal of dental calculus as well. It should be used most frequently for the treatment of gingivitis and periodontal diseases. Ultrasonic tartar removal is called depuration. Plaque, tartar, and other deposits, stains are removed by mechanical tools. It is possible, that teeth whitening procedure cannot be done immediately after tartar removal, only 1-2 weeks later, after the sensitivity has completely disappeared.



General risks:

Please inform us about possible allergies. Women should always inform us if there is any possibility that they are pregnant or if they are breastfeeding. In this case whitening cannot be done, although it probably would not cause any harmful effect. Fillings and crowns will not change in colour. After whitening there might be a mismatch in colour between natural teeth and fillings and crowns, therefore if the mismatch is odd, they might need to be replaced. This is why new fillings and restorations at visible places should be placed after the bleaching process. There might be discolorations on the teeth that become more visible, noticeable after the whitening process (for example areas of enamel hypoplasia/hypo calcification, areas with inadequate concentration of calcium, where the enamel has an abnormal structure).
Bleaching does not cause any permanent damage; it leads to some temporary dehydration of the teeth.
However, you may experience temporary increased sensitivity with chewing and to heat. This resolves itself with time, but special substances (toothpaste for tooth neck sensitivity, concentrated gel formulated specifically to reduce teeth sensitivity that you can ask in the dental office) can accelerate improvement.
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