Associate Professor, Faculty of Medicine, University of Sassari, Italy Director of the Dental Clinic, Azienda Ospedaliero Universitaria (AOU), Sassari, Italy Director of the Post-Graduate School in Oral Surgery. Chair of Restorative Dentistry and Chair of Endodontic, School of Dentistry. Head of the Department of Conservative Dentistry (Endodontic and Restorative Dentistry) at the School of Dentistry and Dental Clinic, AOU Sassari. Head of the Department of Xerostomia and Hyposalivation, Dental Clinic, AOU Sassari, and President of the Association for Prevention and Cure of Xerostomia. Delegate for the Erasmus Programs of the School of Medicine, University of Sassari.