1. Department of Restorative Dentistry, Piracicaba School of Dentistry State University of Campinas Piracicaba Brazil
2. Department of Operative Dentistry, Endodontics, and Dental Materials, Bauru School of Dentistry University of São Paulo Bauru Brazil
3. Department of Conservative Dentistry & Endodontics Manipal College of Dental Sciences Manipal Karnataka India