- Opalescence Endo 35% is indicated for medical whitening treatments of non-vital teeth (Walking Bleach technique). - After covering the filling of the root canal with a glass ionomer cement, apply the ready-to-use gel (active ingredient 35% H2O2) directly inside the non-vital tooth and temporarily close the cavity. - Whitening gel is colorless and has a consistency that allows easy application inside the cavity, as well as a simple temporary filling. - In addition, it always has the same concentration of an active ingredient, unlike self-mixed pastes, which have the disadvantage of being removed with a spatula, have a softer consistency, and do not always have the same amount of active ingredient. **For further product information, please contact Chat Support**