لندمارک های آناتومیکی در رادیوگرافی اکلوزال مندیبل و ماگزیلا

لندمارک های آناتومیکی در رادیوگرافی اکلوزال مندیبل و ماگزیلا

Anatomical Landmarks of Maxilla 1. Nasal septum (cartilage) 2. Anterior nasal spine 3. Median suture 4. Maxillary nasal crest with the osseous nasal

septum 5. Incisive foramen 6. Incisive canal, nasal apertures 7. Borders of the nasal cavity 8. Nasal conchae (superimposition) 9. Frontal bone

10. Maxillary sinus (borders) 11. Nasolacrimal canal 12. Canine fossa and infraorbital margin A: Nasal septum B: Nasal fossa

C: Anterior nasal spine B C A: Nasal septum

C: Anterior nasal spine E: Impacted permanent central incisor G: Fractured crown B: Nasal fossa D: Nasal concha F: Cone cut

H: Priapical radiolucency The nasolacrimal canals are commonly seen as ovoid radiolucencies (arrows) on maxillary occlusal projections. The nasolacrimal canal (arrow) is occasionally

seen near the apex of the canine in Priapical radiographies. The superior foramina of the nasopalatine canal (arrows) appear just lateral to the nasal septum and posterior to the anterior nasal spine. F

B C E A: Nasal fossa

C: Maxillary sinus E: Impacted tooth D B: Nasolacrimal canal D: Retained root

F: Zygomatic process of maxilla Anatomical landmarks of Mandible 16. Alveolar process, course of the vestibular and lingual compact bone

17. Body of the mandible, course of the vestibular and lingual compact bone 18. Mental spine 19. Mental foramen 20. Mandibular canal 21. Insertion of the genioglossus

muscle, superimposed by the alveolar process 22. Impacted tooth 48 Topographic occlusal radiography of mandible is similar to a priapical radiography. C

A: Mental Ridge B: Genial Tubercle C: Cone cut A: Mental ridge C: External oblique ridge

B: Genial tubercle D: Shadow of tongue Cross sectional mandibular radiography.

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