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eo 005 06 abnormal radiographic anatomy n.
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EO 005.06 Abnormal Radiographic Anatomy PowerPoint Presentation
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EO 005.06 Abnormal Radiographic Anatomy

EO 005.06 Abnormal Radiographic Anatomy

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EO 005.06 Abnormal Radiographic Anatomy

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  1. EO 005.06 Abnormal Radiographic Anatomy UNCLASSIFIED//REL TO NATO/ISAF

  2. Radiographic Interpretation of Dental Caries

  3. Severity of Caries • Early, incipient • Moderate • Advanced and Extensive

  4. Caries Progression

  5. Location of Caries • Occlusal, incisal • Proximal • Lingual, palatal • Facial • Cemental • Recurrent

  6. Incipient Caries

  7. Incipient Caries

  8. Occlusal Caries

  9. Occlusal Caries

  10. Occlusal Caries

  11. Proximal Caries

  12. Proximal Caries

  13. Proximal Caries

  14. Cemental Caries

  15. Recurrent Caries • Caries immediately next to a restoration • Inadequate margins or excavation • Pulpal necrosis • Metallic restorations often hide • Clinical examination

  16. Recurrent Caries

  17. Recurrent Caries

  18. Caries: Xerostomia • Therapeutic radiation • Xerostomia • Caries begins at cervical region

  19. Occlusal Caries

  20. Cervical Burnout

  21. Adumbration

  22. Adumbration • Between CEJ and alveolar crest • Diffuse radiolucency • Ill-defined borders • Presence of the edge of root • Clinical evaluation

  23. Adumbration

  24. Rampant Caries

  25. Rampant Caries

  26. Caries associated with an impacted tooth

  27. Periodontal And Periapical Diseases

  28. Periodontal Disease

  29. Usefulness of Radiographs • Amount of bone present • Condition of alveolar crest • Bone loss in furcation areas • Width of periodontal ligament • Local factors: calculus, overhanging restorations • Crown/root ratio

  30. Limitations of Radiographs • No indication of morphology of bony defects • No indication of successful management • No indication of hard/soft tissue relationship, i.e., depth of pockets

  31. Normal Alveolar Crest • 1.0-1.5 mm apical to cemento-enamel junction • Parallel to line joining the CEJ of adjoining teeth • Smooth • Continuation of lamina dura, has the same radiopacity

  32. Normal Alveolar Crest

  33. Normal Alveolar Crest

  34. Normal Alveolar Crest

  35. Evidence of Early Periodontitis • Localized erosion of crest of bone • Blunting of crest- anterior teeth • Loss of sharp angle between lamina dura and crest • Widening of PDL near crest

  36. Evidence of Early Periodontitis

  37. Periodontitis radiograph evaluation

  38. Local Factors • Calculus • Overhanging restorations • Poor restoration contours

  39. Calculus

  40. Overhanging Restoration

  41. Direction Of Bone Loss Horizontal Bone Loss: Crest of bone is parallel to CEJ line between adjoining teeth. The remaining bone is still horizontal but may be positioned apically.

  42. Direction Of Bone Loss Vertical bone loss Crest of remaining bone is not parallel to the CEJ line between adjoining teeth (displays an oblique angulation to the CEJ line )

  43. Bone Loss In furcation Areas

  44. Bone Loss In furcation Areas

  45. Bone Loss In furcation Areas

  46. Bitewing Radiographs Most Reliable For Crestal Bone Evaluation