Xpreen XPRE067, Руководство пользователя

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FAQ
1. What kind of dental problem does cold-light teeth whitening work on?
Cold-light teeth whitening especially works on tobacco-stained teeth, tea-stained teeth,
dental fluorosis and yellow teeth.
2. How long will it take to see the whitening effect?
Generally, the whitening effect can be seen in 5 days if correct instructions are followed.
And for darker colored teeth, obvious whitening effect can be seen after 10-day use.
3. How long will the whitening effect maintain?
The actual time may vary depending on different eating habits and teeth structures. The
whitening effect will maintain 1-2 years on average.
4. Is the cold-light teeth whitening kit safe? Will it damage my teeth?
Cold-light teeth whitening is a safe and fast teeth whitening technology. Low
temperature cold-light does no irritation to dental nerves. Under the cold blue light,
oxidation-reduction quickly takes place on the teeth surface and active ingredients
penetrate dentinal tubules to remove variety kinds of stains on and inside the teeth.
Faster and more effective. No irritation and no side effect. Safe for gums and enamel.
5. Who is not suitable for cold light teeth whitening?
Dead teeth is not suitable for cold light teeth whitening cause it will fade quickly after
whitening;
Cold-light teeth whitening doesn't work on porcelain crown or filling;
Severe tetracycline teeth, dental fluorosis, or severe discolored teeth caused by other
reasons are not suitable for cold-light teeth whitening.
Pregnant women, children under the age of 16 years and people with severe periodontal
diseases are not suitable for cold-light whitening.
6. How to maintain the cold light teeth whitening device?
The device needs no special maintenance. Just wipe the cold-light teeth tray with alcohol
(75%) or warm water after each use and then put it back to its case. Keep it in a cool, dry
place and avoid direct sunlight.