Photoactivation Teeth Whitening

Photoactivation teeth whitening

Photoactivated teeth whitening allows for 4 to 10 shades of lightening in a single 45-minute session. However, this should be done in the dentist’s office, as it is essential to isolate the soft tissues of the mouth before activating the hydrogen peroxide gel (bleaching agent) using a cold light source (LED).

An added value, in this case, is that the photoactivation is carried out on all teeth simultaneously and not tooth by tooth, as is the case with the kits that are marketed to perform whitening at home, without the intervention or supervision of a professional.

It is important to note that any teeth whitening treatment should not be performed when there is cavities, periodontal disease or tartar plaque. Hence the need to visit the dentist before starting the procedure and, better yet, for him/her to do so in the most convenient and comfortable way for the patient.

The photoactivation teeth whitening procedure is simple, but must be adapted to the patient’s characteristics, considering the possibility of combining it to reinforce its effects with a dental whitening treatment that the patient will perform at home. In this case, a splint will be made to fit the denture perfectly.

As mentioned above, it is very important to isolate the soft tissues (gums, tongue, and palate) before starting the procedure. The bleaching agent is then applied to the teeth. It is usually photoactivable hydrogen peroxide, which means that it increases its whitening action when exposed to a cold light source. In addition, these products are non-abrasive and do not maintain the integrity of tooth enamel. The process can consist of three 15-minute cycles of photo activation, each replacing the whitening gel.

Combined treatment

Photoactivation teeth whitening can be complemented with home treatment, for which the dentist will provide the patient with a splint and hydrogen peroxide or carbamide gel and indicate how to do it, during a period of four to seven days.

While this whitening process lasts at home, it is advisable to eliminate or reduce as much as possible any food or drink that may alter the colouring of the teeth (producing stains), since during this process, and even in the days following its completion, the teeth are more likely to capture pigments.

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