RESIT: Radiology Flashcards
How would you describe an x-ray?
Identical to gamma rays - with lower energy values.
No charge, weight or mass.
Very fast.
Cause ionisation.
Visible light range
400-700nm
What view is this?
Intra-oral occlusal (maxilla)
What view is this?
Intra-oral occlusal (mandible)
What view is this?
Extra-oral: lateral cephalogram
What view is this?
Extra-oral: postero-anterior mandible
What view is this?
Extra-oral: lateral oblique mandible
What view is this?
Occipital-mental view of facial bones
Jack is under doing orthodontic treatment, they need to visualise the relationship of the teeth to the jaws and the mandible to the rest of the facial skeleton.
Lateral cephalogram
Olivia has fractured her mandible playing rugby.
Postero-anterior mandible
Olivia has fractured her mandible playing rugby.
Postero-anterior mandible
Tommy (a child) cannot tolerate a bitewing and keeps crying.
Lateral oblique mandible
Ron is in a dental surgery that doesn’t have a DPT, he broke his mandible falling over on a night out.
Lateral oblique mandible
Susie is in A&E with facial trauma after tripping on her heels dancing on a table.
Occipital-mental views of facial bones
Adam has fought the bouncer at aura and is suspected to have damage his orbits, maxilla and zygomatic arches.
Occipital-mental view of facial bones
Which radiograph may require multiple takes?
OM views are taken twice from two angles: first at 10 degrees, second at 30 degrees.
Adam had to stand for his OM view radiograph, why?
Taking the films erect can help demonstrate the fluid levels the antra.
What is the standard intra-oral technique with the receptor parallel to the tooth called?
Paralleling technique
When would you take an intra-oral radiograph without a holder from an angle, and what is this called?
When the patient can’t tolerate a holder in their mouth or during endodontic procedures. Bisected angle technique
What colour holder would you select for anterior teeth?
Blue
What colour holder would you select for posterior teeth?
Yellow
What colour holder would you select for bitewing?
Red
What makes to tooth appear elongated?
Vertical angulation downwards
What can make the tooth appear shorter?
Vertical angulation upwards