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Blue (0.44 µm) and red (1.7 µm) diode laser activated bleaching-dental shade changes determination

Publication at Second Faculty of Medicine, Faculty of Medicine in Hradec Králové |
2023

Abstract

Tooth whitening or bleaching is one of the most common dental procedures that optimize the white color of the teeth and minimize the simultaneous damage to the tooth structure. Light can speed up the whitening process with halogen lamps, light-emitting diodes, plasma arc lamps, and lasers.

Our results show that combinations of a teeth whitening agent with laser light irradiation with a 0.44 μm blue laser diode or a 1.7 μm near-IR laser diode accelerate the whitening process not only during tooth irradiation but also within two weeks after the procedure.