1. Aggressive periodontitis -- 2. Amelogenesis imperfecta -- 3. Apical periodontitis -- 4. Bisphosphonates and medication-related osteonecrosis of the jaw -- 5. Caries -- 6. Chronic periodontitis -- 7. Cleft lip and palate -- 8. Combination syndrome -- 9. Complete edentulism -- 10. Deep overbite -- 11. Dens invaginatus -- 12. Dentine hypersensitivity -- 13. Dentinogenesis imperfecta and dentine dysplasia -- 14. Dentoalveolar trauma -- 15. Discolouration -- 16. Ectodermal dysplasia -- 17. External root resorption -- 18. Failed restoration and compromised tooth -- 19. Fluorosis -- 20. Fractured endodontic instrument -- 21. Fractured or failed post -- 22. Gingival enlargement and gingivitis -- 23. Gingival recession -- 24. Halitosis -- 25. Hypodontia -- 26. Internal root resorption -- 27. Irrigation accidents -- 28. Low maxillary sinus floor -- 29. Microdontia -- 30. Necrotising periodontal diseases -- 31. Occlual issues and occlusion -- 32. Oncology-related defects in mandible -- 33. Oncology-related defects in maxillae -- 34. Open apex (immature non-vital teeth) -- 35. Open bite -- 36. Osteoradionecrosis -- 37. Partial edentulism- implant treatment -- 38. Partial edentulism- partial denture treatment -- 39. Perforation -- 40. Peri-implant disease -- 41. Periodontal abscess -- 42. Periodontic-endodontic lesion -- 43. Periodontitis as a manifestation of systemic disease -- 44. Radiotherapy side effects -- 45. Ridge defects (generalised) -- 46. Ridge defects (localised) -- 47. Shortened dental arch (SDA) -- 48. Supernumerary, fusion and gemination -- 49. Temporomandibular disorders -- 50. Tooth wear -- Index.