1. Department of Endodontics, Positivo University, Curitiba, Brazil.
2. Department of Endodontics, Faculty of Dentistry, UNESP, Araraquara, Brazil.
3. Department of Biotechnological Processes, Human Health, Positivo University, Curitiba, Brazil.
4. Department of Endodontics, University of Joinville, Joinville, Brazil.
5. Physical Institute of São Carlos, Sao Carlos, Brazil.