Doctor Leandro Pereira is a technology enthusiast, and uses all of this in his work. Since he has initiated his work in the operatory microscopic area, and dedicated himself to the developing of microphotography and microfilming through the microscope, developing new microsurgery alternatives, making him one of the pioneers in endodontic microsurgery (full) piezoelectric. He presents his keynotes around the world, disseminating his surgery techniques. He is a professor at São Leopoldo Mandic and attends at Blantus clinic.