1. Department of Dental Materials University of the Republic Montevideo Uruguay
2. Graduate Program in Dentistry Federal University of Pelotas Pelotas Brazil
3. Laboratory of Technology and Development of Composites and Polymeric Materials – LaCoPol Federal University of Pelotas Pelotas Brazil
4. Advanced Crystal Growth and Photonics – CCAF Federal University of Pelotas Pelotas Brazil
5. Department of Restorative Dentistry University of São Paulo Ribeirão Preto Brazil