1. Department of Prosthodontics and Periodontology, Piracicaba Dental School, University of Campinas (UNICAMP), Piracicaba, São Paulo, Brazil;
2. Department of Physiological Science, Piracicaba Dental School, University of Campinas (UNICAMP), Piracicaba, São Paulo, Brazil;
3. Laboratory of Technological Plasmas, Engineering College, University Estadual Paulista (UNESP), Sorocaba, São Paulo, Brazil;
4. Faculdade de Ciências do Tocantins (FACIT), Araguaína, Tocantins, Brazil;
5. Faculdade de Ciências Humanas, Econômicas e da Saúde de Araguaína/Instituto Tocantinense Presidente Antônio Carlos (FAHESA/ITPAC), Araguaína, Tocantins, Brazil;
6. Department of Dental Materials and Prosthodontics, University Estadual Paulista (UNESP), Araraquara Dental School, Araraquara, São Paulo, Brazil