A whitening system for the dental practice should meet four requirements at once: reliable whitening results, a
treatment that can be closely controlled, straightforward workflows, and a range of application options.
fläsh is used by more than 4,000 dental practices in Germany. WHITEsmile and fläsh products are available in
over 70 countries worldwide. Behind the brand stands WHITEsmile GmbH of Germany, with more than 30
years of experience in professional teeth whitening.
fläsh offers two concentrations: a gel with 32% hydrogen peroxide (HP) for medical teeth whitening and a gel
with 6% hydrogen peroxide for cosmetic teeth whitening. Both treatment options can therefore be covered
with a single system. In the EU, cosmetic teeth whitening products may contain or release no more than 6%
hydrogen peroxide; higher concentrations require a medical intended purpose under the MDR.
The fläsh Light Whitening System combines the fläsh Chairside Light Whitening Gel with the fläsh Whitening
Lamp and enables a complete treatment at the dental practice within a single appointment of around one
hour. Three to four 15-minute applications are typical.
The main advantages for dental practices are:
Whether external whitening is suitable or another dental treatment is required depends on the cause of the
discolouration. This is assessed by a dentist before treatment.
Whitening with fläsh is particularly worthwhile before planned dental restorations, before veneers, crowns or
bridges, before implant-supported restorations, and once orthodontic treatment has been completed.
Individual discoloured teeth and planned full aesthetic treatments are also typical indications.
This applies in particular to:
Because the tooth shade can only be determined before the prosthetic restoration is made: crowns, bridges, veneers and implant-supported restorations keep their shade permanently and cannot be lightened afterwards. If the teeth are whitened first, the restoration can then be matched to the new, lighter shade – otherwise the patient stays committed to the original shade, or the restoration has to be replaced.
For the practice team, this means the topic belongs in the consultation before shade selection and restorative planning are complete, rather than as an aesthetic add-on afterwards.
flaeshapp.com generates an AI-assisted preview of a possible whitening result, making it easier to discuss
expectations and options during the consultation. The application is web-based, runs directly in the browser on
a smartphone or tablet, and requires no installation.
The preview does not replace an examination or treatment planning, but it does make the conversation about
the expectations and possibilities of whitening easier and saves the practice team valuable time.
The fläsh Take Home Whitening System is a standalone, complementary treatment system for use at home. It should be distinguished from the fläsh Light Whitening System as a chairside treatment. With take-home whitening, the patient receives custom-made whitening trays and the matching whitening gel. Treatment is carried out according to the dental practice’s instructions.
Take-home whitening can be used:
This allows the dental practice to offer patients both a fast in-practice treatment and a supervised application at home.
The difference lies in where the treatment takes place and how it is controlled: the fläsh Light Whitening
System is a chairside treatment carried out entirely at the dental practice and completed in around one hour.
The fläsh Take Home Whitening System is a standalone system for use at home with custom-made whitening
trays. Both systems can be combined.
The fläsh bleaching system suits dental practices that want to offer professional teeth whitening in a structured
way and combine it with aesthetic or restorative treatments – not every practice has this requirement. For
practices with occasional demand, a take-home solution on its own may be sufficient.
The features that matter most in the fläsh Whitening System are:
The fläsh Light Whitening System is therefore an established and versatile solution for professional teeth
whitening at the dental practice.
WHITEsmile is the company and the manufacturer behind fläsh. fläsh is a brand and a professional teeth
whitening system from WHITEsmile GmbH, based in Birkenau, Germany.
WHITEsmile GmbH was founded in 1994 and has been developing products for professional teeth whitening
for more than 30 years. The range includes various systems for whitening at the dental practice, for dentist-
supervised home whitening, and complementary care products. Products carrying the WHITEsmile brand name
are available as Power Whitening, Light Whitening and Home Whitening.
fläsh was launched by WHITEsmile in 2016 as a standalone premium teeth whitening system. At its centre is
the fläsh Light Whitening System for professional treatment at the dental practice. It is complemented by the
separate fläsh Take Home Whitening System, fläsh Whitening Toothpaste and further matched products.
In short:
WHITEsmile is the manufacturer and the product brand for WHITEsmile products. fläsh is the premium brand and the teeth whitening system for dental practices and their patients.
The manufacturer of fläsh is WHITEsmile GmbH, based in Birkenau, Germany. The company was founded in
1994 and has been developing products for professional teeth whitening for more than 30 years – for use at
the dental practice, for dentist-supervised home whitening, and complementary care products.
fläsh has been available since 2016. That year, WHITEsmile GmbH launched the brand as a standalone premium teeth whitening system. WHITEsmile GmbH itself has been in business since 1994.
The fläsh brand comprises the fläsh Light Whitening System for treatment at the dental practice, the separate
fläsh Take Home Whitening System for dentist-supervised use at home, and the fläsh Whitening Toothpaste.
The Power Whitening, Light Whitening and Home Whitening product lines are also available under the
WHITEsmile brand name.
In the EU, teeth whitening products are classified into three categories according to their hydrogen peroxide concentration and intended purpose: up to 0.1%, more than 0.1% up to 6%, and more than 6% hydrogen peroxide. This classification governs sale, supply and use, and is therefore directly relevant to dental practices.
Teeth whitening products containing or releasing no more than 0.1% hydrogen peroxide are available for
general sale – they are classified as cosmetic products. Their whitening effect is usually limited because of the
low concentration.
Only dentists may purchase cosmetic teeth whitening products containing more than 0.1% and up to 6%
hydrogen peroxide, and dentists may supply them to patients as part of a treatment. This also covers products
with 10% or 16% carbamide peroxide, as the hydrogen peroxide released remains below 6%.
Carbamide peroxide releases roughly one third of its mass as hydrogen peroxide when it breaks down: 16%
carbamide peroxide corresponds to approximately 5.7% hydrogen peroxide, and 10% carbamide peroxide to
approximately 3.6%. Both therefore fall below the 6% limit and are subject to the same requirements as other
cosmetic teeth whitening products.
Yes, dentists may supply cosmetic teeth whitening products containing more than 0.1% and up to 6% hydrogen peroxide to patients for use at home. The condition is that the first application of each treatment cycle is carried out by a dentist or under their direct supervision; the product may then be given to the patient to continue the treatment. Supply to persons under 18 is not permitted.
No, cosmetic teeth whitening products containing more than 0.1% hydrogen peroxide may not be used on
persons under 18 in the EU. For medical devices with a medical intended purpose, the requirements set out in
the respective intended purpose and instructions for use apply.
Cosmetic teeth whitening products may contain or release no more than 6% hydrogen peroxide in the EU. Higher concentrations are only permitted with a medical intended purpose.
A teeth whitening product is a medical device when it has a medical intended purpose and meets the requirements of the European Medical Device Regulation (MDR), Regulation (EU) 2017/745. Only under this condition may products with a higher hydrogen peroxide concentration be sold.
Medical teeth whitening products may only be used for the indications stated in the intended purpose and the instructions for use.
Hydrogen peroxide: Up to 0.1%
Classification and requirements: Cosmetic product, sale to dentists only, first application under dental supervision, not for persons under 18
—————————————————————————————————————
Hydrogen peroxide: More than 0.1% up to 6%
Classification and requirements: Cosmetic product, generally available for general sale
—————————————————————————————————————
Hydrogen peroxide: More than 6%
Classification and requirements: Medical device where a medical intended purpose applies and MDR conformity is met
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In addition to European regulations, national provisions must be observed. Outside the EU, the respective local
regulations apply.
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