| No. | Term | Definition |
|---|---|---|
| 1. | Abscess | Localized pus infection near tooth. |
| 2. | Abutment | Tooth or implant supporting a prosthesis. |
| 3. | Acid Etch | Enamel conditioning with phosphoric acid. |
| 4. | Alginate | Irreversible hydrocolloid impression material. |
| 5. | Alveolar Bone | Jawbone surrounding tooth sockets. |
| 6. | Amalgam | Silver-colored restorative filling material. |
| 7. | Anesthetic | Drug that prevents pain sensation. |
| 8. | Antibiotic Prophylaxis | Preventive antibiotics before certain procedures. |
| 9. | Antiseptic Rinse | Mouth rinse reducing oral bacteria. |
| 10. | Apex | Tip of a tooth root. |
| 11. | Apex Locator | Measures working length in endodontics. |
| 12. | Aphthous Ulcer | Painful recurrent canker sore. |
| 13. | Articulating Paper | Marks occlusal contact points. |
| 14. | Aspiration | Inhaling fluid or debris into airway. |
| 15. | Autoclave | Steam sterilizer for instruments. |
| 16. | Bitewing Radiograph | X-ray showing crowns and bone levels. |
| 17. | Bleaching | Whitening teeth using peroxide agents. |
| 18. | Bonding Agent | Adhesive promoting composite retention. |
| 19. | Bruxism | Grinding or clenching of teeth. |
| 20. | Burnisher | Instrument smoothing restorative material. |
| 21. | CAD/CAM | Computer-aided design and milling restorations. |
| 22. | Calculus | Hardened plaque on teeth. |
| 23. | Caries | Tooth decay causing demineralization. |
| 24. | Cavitron | Ultrasonic scaler for calculus removal. |
| 25. | Cementum | Calcified tissue covering tooth root. |
| 26. | Cephalometric Radiograph | Lateral skull X-ray for orthodontics. |
| 27. | Chairside Assistant | Assists dentist during procedures. |
| 28. | Chlorhexidine | Antimicrobial mouth rinse for plaque control. |
| 29. | Composite Resin | Tooth-colored restorative filling material. |
| 30. | Cone Beam CT | 3D dental imaging scan. |
| 31. | Cotton Roll | Absorbent roll for isolation. |
| 32. | Crown | Full-coverage restoration over tooth. |
| 33. | Curette | Hand scaler for subgingival debridement. |
| 34. | Cusp | Pointed chewing surface on tooth. |
| 35. | Dam Clamp | Holds rubber dam on tooth. |
| 36. | Dental Dam | Rubber sheet isolating treatment area. |
| 37. | Dental Implant | Titanium root substitute placed in bone. |
| 38. | Dental Prophy | Professional teeth cleaning procedure. |
| 39. | Dentin | Hard tissue beneath enamel. |
| 40. | Dentition | Set and arrangement of teeth. |
| 41. | Diastema | Space between two teeth. |
| 42. | Disinfection | Reduces pathogens on surfaces. |
| 43. | Dry Socket | Painful clot loss after extraction. |
| 44. | Eruption | Tooth emerging into oral cavity. |
| 45. | Evacuation Tip | Suction tip removing fluids. |
| 46. | Exodontia | Tooth extraction procedures. |
| 47. | Explorer | Instrument detecting caries and calculus. |
| 48. | Extraoral | Outside the mouth. |
| 49. | Face Shield | PPE protecting eyes and face. |
| 50. | Fluoride Varnish | Topical fluoride coating to prevent caries. |
| 51. | Frenum | Fold of tissue attaching lips or tongue. |
| 52. | Full Mouth Series | Complete set of dental X-rays. |
| 53. | Gauze | Absorbent pad for bleeding control. |
| 54. | Gingiva | Gum tissue around teeth. |
| 55. | Gingivitis | Inflammation of gums without bone loss. |
| 56. | Glassionomer | Fluoride-releasing restorative cement. |
| 57. | Gloves | Hand PPE preventing cross-contamination. |
| 58. | Handoff | Safe transfer of instruments chairside. |
| 59. | Handpiece | Dental drill device for cutting. |
| 60. | High-Volume Evacuator | Strong suction for aerosols and fluids. |
| 61. | HIPAA | US patient privacy and security law. |
| 62. | Impression | Negative mold of teeth and tissues. |
| 63. | Incisal Edge | Cutting edge of anterior tooth. |
| 64. | Infection Control | Practices preventing disease transmission. |
| 65. | Informed Consent | Patient agreement after understanding treatment. |
| 66. | Intraoral | Inside the mouth. |
| 67. | Isolation | Keeping field dry and accessible. |
| 68. | Laminate Veneer | Thin porcelain facing on tooth. |
| 69. | Light-Cure | Hardening resin with curing light. |
| 70. | Local Anesthesia | Numbs a specific area. |
| 71. | Matrix Band | Forms contour for restorations. |
| 72. | Mouth Mirror | Reflects light and retracts tissues. |
| 73. | Mucosa | Soft lining tissue inside mouth. |
| 74. | N95 Respirator | Mask filtering airborne particles. |
| 75. | Occlusion | How upper and lower teeth meet. |
| 76. | Operatory | Room where dental treatment occurs. |
| 77. | Oral Pathology | Diseases of the mouth and jaws. |
| 78. | Orthodontics | Correcting tooth and jaw alignment. |
| 79. | Panoramic Radiograph | Wide-view X-ray of jaws. |
| 80. | Papilla | Gum tissue between teeth. |
| 81. | Partial Denture | Removable replacement for missing teeth. |
| 82. | Periapical Radiograph | X-ray showing full tooth and apex. |
| 83. | Periodontal Pocket | Deepened sulcus from periodontal disease. |
| 84. | Periodontitis | Gum disease with bone loss. |
| 85. | Plaque | Sticky bacterial biofilm on teeth. |
| 86. | Polishing | Smoothing tooth surfaces after cleaning. |
| 87. | Post-Op Instructions | Care directions after a procedure. |
| 88. | PPE | Protective equipment for staff safety. |
| 89. | Prophylaxis Angle | Rubber cup attachment for polishing. |
| 90. | Prosthodontics | Restoring and replacing missing teeth. |
| 91. | Pulp | Nerve and blood supply inside tooth. |
| 92. | Pulpitis | Inflammation of dental pulp. |
| 93. | Radiolucent | Appears dark on radiograph. |
| 94. | Radiopaque | Appears light on radiograph. |
| 95. | Recall | Scheduled follow-up hygiene visit. |
| 96. | Restoration | Filling or crown repairing tooth. |
| 97. | Retraction Cord | Cord displacing gingiva for impressions. |
| 98. | Root Canal | Endodontic treatment removing infected pulp. |
| 99. | Root Planing | Smoothing root surfaces to remove deposits. |
| 100. | Saliva Ejector | Low-volume suction for saliva. |