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Maxilla bone

Maxilla bone. Hamulus. Hamulus. Hamulus. Maxillary tuberosity. Maxillary tuberosity. Maxillary tuberosity. Maxillary sinus/floor of the sinus. Maxillary sinus/floor of the sinus. Maxillary sinus/floor of the sinus. Maxillary sinus. Septum of maxillary sinus. Septum of maxillary sinus.

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Maxilla bone

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  1. Maxilla bone

  2. Hamulus

  3. Hamulus

  4. Hamulus

  5. Maxillary tuberosity

  6. Maxillary tuberosity

  7. Maxillary tuberosity

  8. Maxillary sinus/floor of the sinus

  9. Maxillary sinus/floor of the sinus

  10. Maxillary sinus/floor of the sinus

  11. Maxillary sinus

  12. Septum of maxillary sinus

  13. Septum of maxillary sinus The tendency for the maxillary sinus to pneumatize and form multiple lobes may give rise to the appearance of radiopaque lines extending from the floor of the sinus into the radiolucent interior. These white lines represent cortical extensions of the wall of the sinus and represent the wall of a smaller compartment within the sinus. Because these walls subdivide the sinus they are termed sinus septa or septum (singular).

  14. Zygomatic bone Zygomatic process of Maxilla b.

  15. Maxilla bone Zygomatic process of maxilla Zygomatic bone Zygomatic arch Zygomatic process of temporal b. Temporal bone

  16. Zygomatic process of Maxilla b.

  17. Zygomatic process of Maxilla b. White arrows denote the zygomatic process (generally over the first molar) Black arrows delineate the lower border of the zygomatic arch

  18. Zygomatic arch

  19. Zygomatic arch

  20. Nasal fossa

  21. Nasal fossa

  22. Nasal fossa

  23. Nasal fossa

  24. Anterior nasal spine

  25. Anterior nasal spine

  26. Anterior nasal spine

  27. Median palatal suture

  28. Median palatal suture

  29. Median palatal suture The mid-palatine suture appears in this central incisor periapical projection as a dark, or radiolucent, line at the midline (white arrows). You can also see the more radiopaque inverted triangle at the top of the image that represents the anterior nasal spine.

  30. Median palatal suture

  31. Incisive nerve foramen

  32. Incisive nerve foramen The incisive foramen is the opening in the midline of the palate just posterior to the central incisors.

  33. Incisive foramen 1 - Incisive Foramen 2 - Nasal septum

  34. Shadow of the nose

  35. Shadow of the nose

  36. Shadow of the nose

  37. Lip line

  38. Lip line

  39. Lip line

  40. Mandible

  41. Coronoid process

  42. Coronoid process This is the thin triangular prominence off the upper part of the mandible

  43. Coronoid process Black arrows delineate margin of coronoid process

  44. Coronoid process

  45. Inferior alveolar canal

  46. Inferior alveolar canal The mandibular canal extends from the mandibular foramen, on the lingual aspect of the ramus, through the body of the mandible under the roots of the molar teeth.

  47. Inferior alveolar canal

  48. Inferior alveolar canal The inferior alveolar canal or mandibular canal runs from the lingular area of the mandible to the mental foramen and radiographically. is outlined by thin opaque edges to the canal.  Its contents are the inferior alveolar nerve, artery and vein.

  49. External oblique ridge

  50. External oblique ridge The external oblique ridge is a ridge of bone located along the facial of the mandible, which extends from the superior aspect of the posterior body of the mandible down to the necks of the molar teeth. It runs in the same direction as the internal oblique ridge, but is located on the facial, or external surface of the mandible To distinguish radiographically between the internal and external oblique ridges, note that the external ridge is always superior to the internal oblique ridge

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