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Panoramic Anatomy

Panoramic Anatomy

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Panoramic Anatomy

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  1. Panoramic Anatomy The following is a PowerPoint presentation. If you right click on the screen and select “Full Screen”, the images should fill the entire screen. The directions on slide 8 for printing the “Panoramic Anatomy Key” will not work in this full-screen mode. You must right-click, select “End Show” and then right click again on slide you want to print and select “Print”.

  2. Types of Panoramic Images Single Real Image Double Real Image Ghost Images

  3. Single Real Image Only one image results from a given anatomical structure. Most images seen on a panoramic film are of this type.

  4. Double Real Image Two images of a single object which is located in the midline. Structures that produce these double real images include the hard & soft palate, hyoid bone and cervical spine.

  5. Ghost Image Usually caused by external objects such as earrings but may be produced by dense anatomical structures such as the mandible

  6. 11 16 12 2 5 15 13 17 10 6 7 9 8 14 19 1 24 23 21 18 3 4 32 25 20 26 22 27 31 29 33 37 39 35 30 28 38 36 34

  7. 47 40 41 46 42 44 45 43

  8. Panoramic Anatomy Key • 1. maxillary sinus • 2. pterygomaxillary fissure • 3. pterygoid plates • 4. hamulus • 5. zygomatic arch • 6. articular eminence • 7. zygomaticotemporal suture • 8. zygomatic process • 9. external auditory meatus • mastoid process • middle cranial fossa • lateral border of the orbit • infraorbital ridge • infraorbital foramen • infraorbital canal • nasal fossa • nasal septum • anterior nasal spine • inferior concha • incisive foramen • hard palate • maxillary tuberosity • condyle • coronoid process 25. sigmoid notch 26. medial sigmoid depression 27. styloid process 28. cervical vertebrae 29. external oblique ridge 30. mandibular canal 31. mandibular foramen 32. lingula 33. mental foramen 34. submandibular gland fossa 35. internal oblique ridge 36. mental fossa 37. mental ridges 38. genial tubercles 39. hyoid bone 40. tongue 41. soft palate 42. uvula 43. posterior pharyngeal wall 44. ear lobe 45. glossopharyngeal air space 46. nasopharyngeal air space 47. palatoglossal air space You may print this page by right-clicking and selecting “Print”

  9. 9 12 7 19 5 17 13 25 14 6 22 18 39 28 33 9 19 7 12 17 13 14 5 6 25 22 18 39 28 33

  10. 11 2 15 24 26 32 8 23 16 1 31 3 20 4 34 44 30 38 2 11 15 24 32 26 8 23 16 1 31 3 20 44 34 30 38

  11. 46 21 41 42 47 40 45 43 46 21 41 42 47 40 45 43

  12. 11 7 1 46 41 47 43 36 45 38

  13. 16 17 23 2 8 6 21 18 19 39 Red arrows point to ghost image of hard palate

  14. 11 9 3 20

  15. 17 2 44 20 28 43

  16. 2 atlas 31 transverse foramen

  17. 15 46 47 19 6 27 34

  18. 17 1 8 15 32 N

  19. 40 27 E LN 36

  20. 2 8 40 18 45 ? ? Identifies calcification, possibly in carotid or in lymph node

  21. 8 7 46 47 33 epiglottis

  22. 11 21 3 29 32 34 Red arrow identifies static electricity, caused by removing the film too quickly from the cassette or from the box of film (creates friction, which results in a static discharge).

  23. 16 10 9 20 3 42 27 30 1 44 ghost of mandible 36

  24. 24 14 27 47 nose 39 Lead apron located too high on back of patient’s neck.

  25. 12 air cell 9 23 7 26 Air cell in zygomatic arch.

  26. 24 7 26 22 27 30 38

  27. 5 10 6 47 45 ghost of mandible

  28. 15 23 7 9 21 39 30 Note the relatively inferior location of the mandibular canal (30), providing plenty of room for the implant.

  29. 24 26 31 1 29 Pattern on right side of film (patient’s left) caused by excessive oil on patient’s hair.

  30. 7 28 28 red arrow identifies fracture

  31. 27 44 34 Green arrow identifies “pseudo-fracture” caused by palatoglossal air space. Red arrows point to odontogenic keratocyst.

  32. Ghost images of earrings

  33. Ghost images of earrings 15 2

  34. 27 28 28 Hearing aid (red arrow) with ghost (green arrow).

  35. Ghost image of metal used to restore left angle of mandible

  36. Ghost images of mandibles (dotted line outlines ghost of left ramus-angle over right side of mandible)

  37. Identify the anatomical structures on the following slides.

  38. Slide # 1 C E D G F B A Answers on next slide

  39. Slide # 1 C E D G F B A A = cervical vertebra; B = external oblique ridge; C = zygomatic process; D = floor of maxillary sinus; E = zygomaticotemporal suture; F = lingula; G = mandibular foramen

  40. Slide # 2 B K D J E I A H F C G Answers on next slide

  41. Slide # 2 B K D J E I A H F C G A = ear; B = external auditory meatus; C = submandibular fossa; D = nasal septum; E = hard palate; F = mental foramen; G = hyoid bone; H = mandibular canal; I = pterygoid plates; J = articular eminence; K = pterygomaxillary fissure

  42. Slide # 3 C B D A E Answers on next slide

  43. Slide # 3 C B D A E A = palatoglossal air space; B = middle cranial fossa; C = lateral border of orbit; D = condyle; E = mental fossa

  44. Slide # 4 I D E H C B A G F J K L Answers on next slide

  45. Slide # 4 I D E H C B A G F J K L A = cervical vertebra; B = zygomaticotemporal suture; C = zygomatic process; D = nasal septum; E = inferior concha; F = soft tissue of nose; G = hard palate; H = posterior border of maxillary sinus; I = external auditory meatus; J = posterior pharyngeal wall; K = mental foramen; L = mental fossa

  46. Slide # 5 E F G C D J H B I A Answers on next slide

  47. Slide # 5 E F G C D J H B I A A = glossopharyngeal air space; B = styloid process; C = nasopharyngeal air space; D = pterygoid plates; E = condyle; F = infraorbital canal; G = infraorbital foramen; H = soft palate; I = mandibular canal; J = lingula

  48. Slide # 6 E C D E B F G A Answers on next slide

  49. Slide # 6 E C D E B F G A A = mental foramen; B = incisive foramen; C = soft tissue of nose; D = anterior nasal spine; E = pterygoid plates; F = ear; G = hyoid bone The radiolucency (red arrows) seen in the ramus and third molar area on the patient’s right side is an ameloblastoma. (Differential includes dentigerous cyst, radicular cyst, OKC).

  50. Slide # 7 A B C D Answers on next slide

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