1. Department of Dentistry Endodontics and Dental Materials Bauru School of Dentistry University of São Paulo Bauru Brazil
2. Department of Conservative Dentistry Center for Dentistry and Oral Hygiene University Medical Center Groningen University of Groningen Groningen The Netherlands
3. Physics of Fluids group Technical Medical (TechMed) Center and MESA+ Institute for Nanotechnology University of Twente Enschede The Netherlands