Comparative Study of Transmission of 2940 nm Wavelength in Six Different Aesthetic Orthodontic Brackets.

Background: Previous studies have confirmed the superiority of using erbium lasers (2940, 2780 nm) over other lasers in the debonding of ceramic brackets due to their safety and effectiveness. The most important factor in the debonding of aesthetic brackets is the transmission of the erbium laser through the aesthetic bracket to the adhesive resin.

Objective: To identify the transmission of the 2940 nm wavelength through different types of aesthetic brackets.