1. Graduate Program in Electronic and Computer Engineering, Catholic University of Pelotas, Pelotas 96015-560, Brazil
2. Graduate Program in Materials Science and Engineering, University of Caxias do Sul, Caxias 95070-560, Brazil
3. Academic Area of Dentistry, Autonomous University of Hidalgo, Pachuca de Soto 42080, Mexico
4. Biology Institute, Federal University of Pelotas, Pelotas 96010-560, Brazil
5. Department of Restorative Dentistry, School of Dentistry, Federal University of Pelotas, Pelotas 96010-610, Brazil
6. Graduate Program in Materials Science and Engineering, Technology Development Center, Federal University of Pelotas, Pelotas 96010-610, Brazil