1. Laboratory of Characterization and Analysis of Biomaterials; Faculty of Dentistry; Federal University of Alagoas; Alagoas Brazil
2. Laboratory of Quality Control of Drugs, Medicines, Foods and Biomaterials; School of Nursing and Pharmacy; Federal University of Alagoas; Alagoas Brazil
3. Dental Biomaterials Research Laboratory; Department of Restorative Dentistry; College of Dentistry; University of Manitoba; Manitoba Canada