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NORMAL ANATOMICAL RADIOGRAPHIC LANDMARKS

NORMAL ANATOMICAL RADIOGRAPHIC LANDMARKS. Mohammed Malik Afroz. NORMAL RADIOGRAPHIC ANATOMY – { INTRAORAL PERIAPICAL FILMS }. INTERMAXILLARY SUTURE NASAL FOSSA INCISIVE FORAMEN LATERAL FOSSA NOSE NASOLACRIMAL CANAL. ANTERIOR NASAL SPINE NASAL SEPTUM

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NORMAL ANATOMICAL RADIOGRAPHIC LANDMARKS

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  1. NORMAL ANATOMICAL RADIOGRAPHIC LANDMARKS Mohammed Malik Afroz

  2. NORMAL RADIOGRAPHIC ANATOMY – { INTRAORAL PERIAPICAL FILMS}

  3. INTERMAXILLARY SUTURE NASAL FOSSA INCISIVE FORAMEN LATERAL FOSSA NOSE NASOLACRIMAL CANAL ANTERIOR NASAL SPINE NASAL SEPTUM FLOOR OF NASAL FOSSA NASOLABIAL FOLD MAXILLARY SINUS ZYGOMATIC PROCESS MAXILLARY TUBEROSITY HAMULAR NOTCH RADIOLUCENT RADIO OPAQUE MAXILLA

  4. Radiolucent Land Marks of Maxilla

  5. Intermaxillary suture THIN RADIOLUCENT LINE MIDLINE

  6. Nasal Fossa Well defined radiolucency Either side of nasal septum

  7. Incisive foramen OVOID RADIOLUCENCY WELL DEFINED BETWEEN ROOTS OF CENTRALS

  8. Lateral fossa Depression – canine lateral Diffuse radiolucency

  9. Nasolacrimal canal Connects nasal cavity to lacrimal gland

  10. OCCLUSAL VIEW IOPA

  11. Radiopaque Landmarks of Maxilla

  12. Anterior nasal spine V SHAPED RADIO-OPACITY 1.5 –2 CM ABOVE CREST

  13. Nasal septum THICK RADIO OPAQUE LINE ABOVE APICES OF CENTRALS

  14. Floor of nasal fossa THIN RADIOOPAQUE LINE EITHER SIDE –NASAL SEPTUM

  15. Nose Soft tissue shadow

  16. Nasolabial fold CANINE - PREMOLAR AREA OBLIQUE SOFT TISSUE SHADOW

  17. Maxillary sinus AIR FILLED CAVITY

  18. SEPTA INVERTED Y OF ENNIS DIPPING OF SINUS

  19. Zygomatic process

  20. Maxillary tuberosity Radio opaque bulge Distal to 3 rd molar

  21. Hamular notch Hook like projection Extends from medial pterygoid plate

  22. MANDIBLE

  23. SYMPHYSIS MENTAL FOSSA SUBMANDIBULAR GLAND FOSSA MENTAL FORAMEN MANDIBULAR CANAL NUTRIENT CANALS GENIAL TUBERCLES MENTAL RIDGE MYLOHYOID RIDGE EXTERNAL OBLIQUE RIDGE INFERIOR BORDER CORONOID PROCESS RADIOLUCENT RADIO OPAQUE

  24. Radiolucent Landmarks of Mandible

  25. Symphysis Seen in Infants Radio lucent line MIDLINE Importance in adults: Cleft /fracture Oral radiology-Principles and Interpretation (White &Pharoah 5th edition)

  26. Mental fossa Scooped out depression Anterior mandible Oral radiology-Principles and Interpretation (White &Pharoah 5th edition)

  27. Submandibular gland fossa DIFFUSE RADIOLUCENCY MOLAR AREA CAVITY ACCOMODATES SG Þ   “FUNDAMENTALS OF ORAL MEDICINE AND RADIOLOGY”- (Bailoor DN –Nagesh K S) 3 rd EDITION

  28. Mental foramen OVOID RADIOLUCENCY PREMOLAR AREA Oral radiology-Principles and Interpretation (White &Pharoah 5th edition)

  29. Mandibular canal Linear radiolucent shadow Mental foramen to mand foramen Radio opaque superior /inferior borders Þ   “FUNDAMENTALS OF ORAL MEDICINE AND RADIOLOGY”- (Bailoor DN –Nagesh K S) 3 rd EDITION

  30. Nutrient canals RUNS VERTICALLY UPWARDS Oral radiology-Principles and Interpretation (White &Pharoah 5th edition)

  31. Radiopaque Landmarks of Mandible

  32. Genial tubercles Lingual surface Spine shaped projection Attachment of muscles Oral radiology-Principles and Interpretation (White &Pharoah 5th edition)

  33. OCCLUSAL/IOPA VIEWS Lingual foramen

  34. Mental ridge Extends from premolar Oral radiology-Principles and Interpretation (White &Pharoah 5th edition)

  35. 2 Radio opaque lines IOPA of mand centrals (Bilateral)

  36. Mylohyoid ridge LEVEL OF MOLAR APICES ABOVE THE MAND CANAL

  37. External oblique ridge RADIO OPAQUE LINE MANDIBULAR 3rD MOLAR REGION NEAR ALVEOLAR CREST Oral radiology-Principles and Interpretation (White &Pharoah 5th edition)

  38. Inferior border of mandible DENSE RADIO OPAQUE BAND OCCASIONALLY SEEN Oral radiology-Principles and Interpretation (White &Pharoah 5th edition)

  39. Coronoid process Downward /forward Periapical view of max 3rd molar Movement of coronoid During opening Oral radiology-Principles and Interpretation (White &Pharoah 5th edition)

  40. Importance : Differentiate from pathology NASOPALATINE DUCT CYST

  41. Any Questions ????? Thank You

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