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6. Which type of radiograph would be taken to assess jaw relationships?
- Occlusal
- Bitewing
- Cephalostats
- Orthopantomographs
7. Which set of regulations states there must be a set of local rules displayed by each X-ray machine?
- RIDDOR
- Health and Safety at Work Act
- IRR99
- IR(ME)R 2000 X
8. What happens if incorrect angulation occurs for a bitewing?
- Contact points appear overlapped
- Superimposes the image
- Image becomes blurred
- Cuts off the premolar teeth
9. Cephalostats are used extensively in:
- Orthodontics
- Endodontics
- Private cosmetic surgery
- General practice
10. Extraoral cassettes contain:
- 0 intensifying screens
- 2 intensifying screens
- 1 intensifying screens
- more than 2 intensifying screens
11. An alternative to using a bitewing holder to achieve a bitewing radiograph is:
- Sticky tabs
- PA holder
- Nurse to hold the films in place
- Dentist to hold the films in place
12. A periapical radiograph is taken to show:
- Posterior teeth
- Individual teeth
- Anterior teeth
- None of the stated answers
13. A lateral oblique radiograph shows:
- The jaw and teeth of both the left and right jaw
- Both jaws
- The jaw and molar teeth of either left or right hand side
- The jaw and teeth of both the left and right jaw
14. Occlusal radiographs show:
- Maxilla
- Either mandible or maxilla
- Both mandible and maxilla
- Mandible
15. The stages of manual chemical processing are:
- Develop, wash, fix, wash, dry
- Develop, fix, dry
- Develop, wash, fix, dry
- Develop, fix, wash, dry
16. In manual processing a film should be immersed in fixer for:
- 6 - 8 minutes
- 10 - 12 minutes
- 8 - 10 minutes
- At least 10 minutes
17. Periodontal disease shows up as what on a radiograph?
- Loss of the apex
- Bone resorption at the apex of a tooth
- Loss of lamina dura
- A black circle at the apex
18. The two techniques used to take periapical xray’s are:
- Horizontal and bisected angle
- Bisecting angle and paralleling
- Bisected angle and sectioning
- Sectioning and paralleling
19. Manual processing requires:
- A dark room
- A room with no window
- The lights to be turned off
- A red light bulb in the room
20. Digital radiography eliminates the need for:
- Retakes
- Chemicals
- Developing
- Radiation