After making a good diagnosis and deciding whether this is or not necessary, we apply the most appropriate technique to each dental staining, depending on whether the colourations are due to injuries, medications or are congenital.
Effectiveness of the treatment depends on the degree of staining in the teeth. It is the professional who chooses whether the treatment is indicated or not.
It is painless, practical and has almost no contraindications.
The duration of the whitening effect depends largely on the habits (tabac) and the diet the patient keeps after the treatment.