There are many Home Teeth Whitening or Teeth Bleaching methods to achieve good results. The results of teeth whitening differ from method to method but all these methods do make the teeth white. These various method are as under:
Whitening by brush is basically convenient for people who are not ready to spend much time and generally prefer less time consuming options. It just involves brushing it on and letting it to dry. The whole night it’s left like that.
But there are some disadvantages which are discussed as under:
1. Due to lack of isolation the bleaching agent will definitely get in contact with saliva. It will wipe off the part of the formula. Thus it will result in uneven whitening or bleaching of the surfaces (tooth).
2. The next is because of the ingredients. The first and foremost is alcohol it causes the agent to dry so that it can stick to the surface whole night but it does not reduce the adverse effects on the tissues and also causes bad odour.
3. The other one is glycerin it’s the main cause of sensitivity in many patients after using this as it absorbs the moisture from enamel.
It’s easy to use at home and can be applied easily. But it has drawbacks as anatomy of each tooth is different and it has grooves and fissures, so if the strips are applied on the tooth surface they do not adapt well to the tooth surface. So it results in uneven whitening of the teeth or tooth surface.
It is considered most effective. It is used in a concentration of 21 %. Some important rules are to be followed in order to achieve or get good results:
a) Type and intensity of the stain
b) The time for how long the bleach was in contact
c) The amount of active constituent in the bleach.
d) Location and depth of discoloration.
e) How frequently the solutions are changed.
f) What is the rate of material degradation?
This technique is widely known as home bleaching technique. In this 1.5 – 10 % hydrogen peroxide or 10 – 15 % carbamide peroxide is used. But carbamide peroxide is most widely used.
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