Teeth Whitening Procedures and History In the Ancient Rome sodium carbonate and ash were used for teeth whitening. Lot of dental patient use power tooth paste os polish paste for home teeth whitening. Dentists use mainly carbamid-peroxide and sodium-perborat for whitening internal stain. At in-office teeth whitening dentist use teeth whitening gel which effects in 30 minutes. Another in-office teeth whitening method used by dentists is LED-lamp which is the most effective way of teeth whitening. There is an in-home teeth whitening procedure – the patient fills up a splint with oxidant fluid, it has to be worn for 2-3 hours daily for good teeth whitening results.

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