1. Department of Restorative Dentistry, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
2. Department of Oral Pathology and Surgery, Faculty of Dentistry, Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil
3. Department of Restorative Dentistry, Division of Oral Health Science, Graduate School and Faculty of Dental Medicine, Hokkaido University, Sapporo, Japan