Restorative materials were removed from the pulp cavity with a low-speed, number 3 round burr SS White. Remnants of filling materials and discolored dentin were withdrawn using Opmi 50 clinical microscope at 1X Carl Zeiss.
Posteriormente se retiraron los materiales restauradores de la cavidad pulpar con fresa de bola número 3 SS White a baja velocidad; los residuos de material obturador y dentina discrómica se retiraron utilizando microscopio clínico opmi 50 a 1X Carl Zeiss.