Across
- 1. Switzerland, Supportive therapy
- 4. France, Periodontal medicine
- 6. Sweden, Peri-implantitis
- 8. Greece, Keystone pathogen
- 12. Italy, Periodontal regeneration
- 15. France, Periodontal medicine
- 16. France, Soft tissue management
- 17. France, Root coverage
- 18. Italy, Root coverage
- 19. Sweden,Clinical periodontology
Down
- 2. Brazil, Socket preservation
- 3. Italy, Peri-implant soft tissues
- 5. France, Mucogingival surgery
- 7. Italy, Non-surgical therapy
- 9. Australia, Implant maintenance
- 10. United States, Red Complex
- 11. Italy, 2017 Classification
- 13. Italy, Gingival recession
- 14. Switzerland, Esthetic implantology