[1] University of Turin,Department Surgical Sciences, Dental School
[2] University of Turin,Department of Surgical Sciences, Dental School
[3] University of Geneva,Division of Cariology and Endodontology, School of Dentistry
[4] São Paulo State University-UNESP,Institute of Science and Technology, Department of Restorative Dentistry
[5] Federal University of Santa Maria,Department of Restorative Dentistry, Division of Prosthodontics
[6] University of Turin,Department of Surgical Sciences, Dental School