1. Department of Dentistry; Federal University of Rio Grande do Norte; Natal RN Brazil
2. Department of Dental Material and Prosthodontics; Sao Paulo State University Aracatuba School of Dentistry; Sao Paulo SP Brazil
3. Postgraduate Program in Dentistry; Potiguar University School of Dentistry; Natal RN Brazil
4. Department of Biomaterials and Biomimetics; New York University College of Dentistry; New York NY USA
5. Department of Mechanical and Aerospace Engineering; Polytechnic Institute of New York University; New York NY USA