1. Lecture 9 Intraoral Radiographic Anatomy
12/1/2017
Lecture 9 Intraoral Radiographic Anatomy
ODRP 701 Radiology I
Heidi L. Christensen, DDS, MS
ODRP 755 Radiology II

2. Additional Resources Textbooks Online Resources
Oral Radiology: pp
Color Atlas of Common Oral Diseases: pp 10-13,16
Online Resources
See Blackboard

3. Radiolucent Structures
↓ density of material
↓ thickness of structure
Space or hole in bone

4. Radiopaque Structures
↑ density of material
↑ thickness of structure
Overlapping structures

5. Teeth & Supporting Structures
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Teeth & Supporting Structures
Enamel
Crown
Dentin
Pulp
Cementum
Root
PDLS
Lamina Dura
Apex
ODRP 755 Radiology II

7. Pulp
Horn
Chamber
Canal

8. Alveolar Crest
CEJ
DEJ

9. Gingival shadow

10. Bony Landmarks of the Mandible

11. Inferior Border of the Mandible
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Inferior Border of the Mandible
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12. Anterior Mandible

13. 12/1/2017
Alveolar Crest
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14. 12/1/2017
Genial Tubercles
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15. Genial Tubercles

16. 12/1/2017
Genial Tubercles
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17. Genial Tubercles

18. 12/1/2017
Lingual Foramen
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19. 12/1/2017
Lingual Foramen
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20. 12/1/2017
Nutrient Canals
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21. Nutrient Canals

22. Nutrient Canals

23. Nutrient Canals

24. 12/1/2017
Mental Fossa
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25. Mental Fossa

26. 12/1/2017
Mental Ridge
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27. Mental Ridge

28. Mental Ridge A- Mental Ridge B- Inner Cortical Border
C- Outer cortical Border C A B

29. Mandibular Tori

30. Lower lip line

31. Mandibular Premolar & Molar projection

32. Alveolar Crest

33. 12/1/2017
Mental Foramen
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34. Mental foramen

35. Posteriorly Positioned Foramen
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Posteriorly Positioned Foramen
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36. Accessory mental foramen
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Accessory mental foramen
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37. 12/1/2017
Mylohyoid Ridge
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38. Mylohyoid Ridge

39. Internal Oblique Ridge
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Internal Oblique Ridge
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40. External Oblique Ridge
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External Oblique Ridge
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41. External Oblique Ridge

42. External Oblique Ridge

43. 12/1/2017
Mandibular Canal
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44. Mandibular Canal

45. Mandibular Canal

46. Mandibular Canal

47. Anterior Looping of the Canal

48. 12/1/2017
Submandibular fossa
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49. Submandibular Fossa

50. Image of Tongue

51. 12/1/2017
Coronoid Process
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52. 12/1/2017
Coronoid Process
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53. Coronoid Process

54. Enlarged PDL Space?

55. Bony Landmarks of the Maxilla

56. Maxilla
Maxilla forms
Floor of the orbit of the eye
Sides and floor of the nasal cavities
Hard palate
Lower border of maxilla supports the upper teeth (alveolar process

57. Maxilla

58. Maxillary Premolar & Molar projection

59. Alveolar Ridge

60. All Those Horizontal Lines!

61. All Those Horizontal Lines!
Alveolar Ridge/Crest
Floor / Wall of Maxillary
Sinus
Zygomatic Arch
(Inferior Border)
Zygomatic Process of
Maxilla
Floor of Nasal Cavity

62. 12/1/2017
Maxillary Tuberosity
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63. Tuberosity

64. 12/1/2017
Hamulus
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65. Clinical Hamular Notch

67. Zygomatic Process of the Maxilla
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Zygomatic Process of the Maxilla
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68. Zygomatic Process of Maxilla

69. 12/1/2017
Zygomatic arch
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70. Zygomatic Arch

71. 12/1/2017
Maxillary Sinus
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72. Sinus Floor

73. Floor of Maxillary Sinus

74. Bony septa within maxillary sinus
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Bony septa within maxillary sinus
ODRP 755 Radiology II

75. Wall of Maxillary Sinus

76. Pneumatization

77. Neurovascular canals 12/1/2017
Tiny, tube-like passageways through bone that contain blood vessels and nerves and supply the maxillary teeth and interdental areas
Appear as narrow, radiolucent band surrounded by two radiopaque lines
ODRP 755 Radiology II

78. Neurovascular canals

79. Nasolabial Fold

80. Anterior Maxillary Projection

81. Soft Tissue Outline of Nose

82. Incisive/Nasopalatine Foramen
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Incisive/Nasopalatine Foramen
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83. 12/1/2017
Incisive Foramen
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84. Incisive/Nasopalatine Canal
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Incisive/Nasopalatine Canal
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85. Superior Foramina of Incisive Canal
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Superior Foramina of Incisive Canal
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86. Intermaxillary Suture
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Intermaxillary Suture
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87. 12/1/2017
Lateral Fossa
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88. 12/1/2017
Nasal Aperture
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89. 12/1/2017
Nasal Septum
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90. 12/1/2017
Nasal Septum
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91. Floor of the Aperture 12/1/2017
Bony wall formed by the palatal processes of the maxilla and the horizontal palatal processes of the palatal bones
Floor is composed of dense cortical bone and defines the inferior border of the nasal cavity
Appears as a dense radiopaque band above the maxillary teeth
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92. Floor of Nasal Aperture
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Floor of Nasal Aperture
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93. 12/1/2017
Anterior Nasal Spine
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94. Anterior Maxilla

95. 12/1/2017
Inferior Nasal Concha
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96. Inferior Concha

97. The Inverted Y A- Floor of nasal aperture
B- Anterior wall of maxillary sinus

98. Inverted Y

99. 12/1/2017
Edentulous
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100. Edentulous

101. Maxillary Occlusal Film
A- Nasal Fossa
B- Nasal septum
C- Superior Foramina of Nasopalatine canal
D- Incisive Foramen
E- Intermaxillary suture A B C D E

102. Maxillary Occlusal Film
Nasolacrimal
canals
Lat. wall of nasal
aperture
Superior foramina
of nasopalatine
canal
Intermaxillary
suture

103. Questions?