1. Radiography + Errors
Dentalelle Tutoring

2. How should the lead apron be stored?
Hung up
Folded
In the x-ray room
Away from patients

3. How should the lead apron be stored?
Hung up
Folded
In the x-ray room
Away from patients
**The lead apron should be hung up so that the LEAD inside the apron doesn’t crack

4. Intensifying screens are used:
In intra-oral radiography
Extra-oral radiography
For the lateral views
For digital x-rays

5. Intensifying screens are used:
In intra-oral radiography
Extra-oral radiography
For the lateral views
For digital x-rays

6. Size 4
Size 4 films is considered an occlusal film and may be used for extra oral radiographs. BUT this is considered a non-screen film (does not use an intens. Screen).
Not often used because it needs more exposure time and MORE RADIATION.

7. What is true regarding the midsagittal plane?
Should be perpendicular to the floor
The imaginary line connecting to the external auditory meatus
The imaginary line connecting to the internal auditory meatus
Ala-tragus is used for positioning

8. What is true regarding the midsagittal plane?
Should be perpendicular to the floor
The imaginary line connecting to the external auditory meatus. PARALLEL = frankfort plane
The imaginary line connecting to the internal auditory meatus
Ala-tragus is used for positioning

10. When taking a PAN, why is the thyroid collar not used?
It is always used
It’s too heavy
It blocked the primary beam
It blocks scatter radiation

11. When taking a PAN, why is the thyroid collar not used?
It is always used
It’s too heavy
It blocks the primary beam
It blocks scatter radiation

12. Films need to be exposed properly
Films need to be exposed properly. Overexposure and underdevelopment result in:
Unnecessary radiation
Film speed to fast
Film speed not being fast enough
Not enough contrast

13. Films need to be exposed properly
Films need to be exposed properly. Overexposure and underdevelopment result in:
Unnecessary radiation
Film speed to fast
Film speed not being fast enough
Not enough contrast

14. What is collimator cut off and how to fix?
Static
Film too dark
Developer spots
Cone cut

15. What is collimator cut off and how to fix?
Static
Film too dark
Developer spots
Cone cut - the central ray needs to be in the centre of the film

16. Film reversal could also be referred to as:
Herringbone effect
Ghost Image
Artifacts
Crescent marks

17. Film reversal could also be referred to as:
Herringbone effect
Ghost Image - wearing earrings
Artifacts - wearing earrings
Crescent marks - bent film

18. What happens with overlapping?
The central ray isn't parallel to the film and teeth
The central ray isn't perpendicular to the film and the teeth
The vertical angulation isn't perpendicular to the film and the teeth
The teeth appear elongated

19. What happens with overlapping?
The central ray isn't parallel to the film and teeth
The central ray isn't perpendicular to the film and the teeth
The vertical angulation isn't perpendicular to the film and the teeth
The teeth appear elongated

20. When taking a periapical and you notice the apex is cut off, what happened?
Cone cutting
The patient didn't bite down hard enough
Incorrect film placement
The film is too large

21. When taking a periapical and you noticed the apex is cut off, what happened?
Cone cutting
The patient didn't bite down hard enough
Incorrect film placement
The film is too large

22. The PID should be positioned:
Close to the face
Not too close to the face
Far from the face
Exactly 5 inches from the face

23. The PID should be positioned:
Close to the face
Not too close to the face
Far from the face
Exactly 5 inches from the face

24. What happens if the film is blurred?
Patient movement
Patient or tube head movement
Tube head movement
Superimposed

25. What happens if the film is blurred?
Patient movement
Patient or tube head movement
Tube head movement
Superimposed

26. Cervical burnout could resemble ___?
Calculus
Cyst
Spurs
Caries

27. Cervical burnout could resemble ___?
Calculus
Cyst
Spurs
Caries

28. Periapical Condensing Osteitis is recognized by:
Dense bone around the apex
Dense bone throughout
Dense bone around the crown
Dense bone distal to the 7

29. Periapical Condensing Osteitis is recognized by:
Dense bone around the apex - often premolars and molars, usually results in the tooth being nonfatal
Dense bone throughout
Dense bone around the crown
Dense bone distal to the 7
**Osteo refers to bone, and ITIS refers to inflammation

30. Where is a residual lesion found?
Found near the 8’s
Anteriors
Molars
Edentulous areas

31. Where is a residual lesion found?
Found near the 8’s
Anteriors
Molars
Edentulous areas

32. The most common supernumerary teeth are:
Mandibular premolars, maxillary incisors, and fourth molars
Maxillary premolars, maxillary incisors and fourth molars
Fourth molars and laterals
Premolars and fourth molars
*Fourth molars are referred to as your wisdom teeth

33. The most common supernumerary teeth are:
Mandibular premolars, maxillary incisors, and fourth molars
Maxillary premolars, maxillary incisors and fourth molars
Fourth molars and laterals
Premolars and fourth molars

34. Hypodontia is Too little teeth Too many teeth
Failure of teeth to develop
Laterals missing

35. Hypodontia is Too little teeth Too many teeth
Failure of teeth to develop
Laterals missing

36. Hypercementosis is: Build up of cementum on the root of the tooth
Build up of cementum on any area of the tooth
Lesion in the cementum
Cementogensis Cyst

37. Hypercementosis is: Build up of cementum on the root of the tooth
Build up of cementum on any area of the tooth
Lesion in the cementum
Cementogensis Cyst

38. Fusion is: Single crown with two roots Two crowns and one root
Two crowns and two roots
Two teeth joining by cementum

39. Fusion is: Single crown with two roots
Two crowns and one root - gemination
Two crowns and two roots
Two teeth joining by cementum - concrescence

40. Pulpitis: Can be seen in a radiograph in the later stages
Can be seen in a radiograph because normal pulp looks different and densities are different
Cannot be seen radiographically because normal, inflamed and dead pulp all look the same
Can only be seen in a periapical

41. Pulpitis: Can be seen in a radiograph in the later stages
Can be seen in a radiograph because normal pulp looks different and densities are different
Cannot be seen radiographically because normal, inflamed and dead pulp all look the same = remember, caries can be seen and deep caries can be a cause
Can only be seen in a periapical