1. Clinical Assistant Faculty, Occlusion and Oral Rehabilitation, Lisbon University; School of Dental Medicine; Lisbon Portugal
2. Department of Endodontics; Implantology Institute; Lisbon Portugal
3. Clinical Assistant Faculty, Implant Dentistry, Lisbon University; School of Dental Medicine; Lisbon Portugal
4. Assistant Professor of the Master of Endodontics; International University of Catalunya; Barcelona Spain
5. Professor of Statistics and Probabilities; University of Lisbon Dental School; Lisbon Portugal
6. Full Professor and Chairman of the Implantology Department, Lisbon University; School of Dental Medicine; Lisbon Portugal