Radiographic Anatomy Flashcards
1
Q
What anatomy is visible on periapical and bitewing radiographs
A
- lower periapical
- inferior alveolar canal
- mental foramen
- external oblique ridge
- pulp canal
- lingual foramen
- vascular canals to lower incisors
- mental protuberance
- mylohyoid ridge
- submandibular fossa
- upper periapical
- floor of maxillary sinus/antrum
- floor of nasal cavity
- nasal cavity
- nasal septum
- inferior nasal conchae/turbinate
- median palatal suture
- incisive foramen
- pulp canal
- pterygoid plates
- hamular process
- maxillary tuberosity
- zygomatic arch
- zygomatic buttress
- coronoid process
- bitewing
- dental follicle
- both
- pulp chambers
- periodontal ligament space
- lamina dura
- amelo-dentinal junction
- alveolar crest
- alveolar bone
- enamel
- dentine
2
Q
What anatomy is visible on occlusal radiographs?
A
- upper
- nose/nasal soft tissue
- maxillary sinus/antrum
- vomer/bony nasal septum
- incisive fossa/foramen/nasopalatine foramen
- median palatine suture
- anterior nasal spine
- nasolacrimal canal
- base of nasal aperture
- Y of Ennis (nasal cavity +maxillary sinus)
- zygomatic buttress
- lower
- genial tubercle
- tongue
- lingual plate
- buccal plate
3
Q
What anatomy is visible on panoramic radiographs?
A
- zygomatic buttress
- condylar head
- mental foramen
- maxillary tuberosity
- nasal septum
- external oblique ridge
- articular eminence/tubercle
- floor of maxillary sinus/antrum
- external acoustic meatus
- coronoid process
- hard palate
- inferior alveolar canal
- medial/lateral wall of maxillary sinus/antrum
- pterygomaxillary fissure
- zygomatic arch
- soft palate
- hyoid bone
- posterior wall of maxillary sinus
- lateral pterygoid plate
- styloid process
- infra-orbital rim/margin
- inferior nasal concha/turbinate
- ear lobe
- infraorbital canal
- sigmoid notch
- mandible
- mandibular foramen
- submandibular fossa
- anterior nasal spine
- zygomatic buttress
- mental fossa
- glenoid/mandibular fossa
- spine of sphenoid
- cervical spine
- pituitary fossa/sella turcica
- tongue
- epiglottis
- oral cavity
- nasal cavity
- nasopharynx
- oropharynx
4
Q
What anatomy is visible on CBCT?
A
- sagittal
- hard palate
- frontal sinus
- coronal
- maxillary sinus
- inferior nasal conchae/turbinate
- nasal septum
- mental foramen
- ethos sinus/air cells
5
Q
What shadows can appear on radiographs?
A
- double shadows
- seen on panoramic radiographs
- hyoid bone
- soft palate
- cervical spine
- seen on panoramic radiographs
- ghost shadows
- created by structures between the x-ray source and centre of rotation
- appear magnified, blurry and higher, transposed on opposite side of true anatomical position
