radiology

Question 1

what type of collimation would you use when taking an intra oral radiograph?

Answer 1

rectangular

Question 2

what is the focus to skin distance whilst taking an intra oral radiograph?

Answer 2

200mm

Question 3

what are the 2 curves in bitewing radiographs?

Answer 3

• curve of spee
• curve of monson

Question 4

what is the maximum beam diameter of collimators?

Answer 4

60mm at the patient end with spacer cone

Question 5

what colour of radiographic film holder is used for bitewings?

Answer 5

red

Question 6

what colour of radiographic film holder is used for posterior periapicals?

Answer 6

yellow

Question 7

what colour of radiographic film holder is used for anterior periapicals?

Answer 7

blue

Question 8

what colour of radiographic film holder is used for identifying working length during endodontic treatment?

Answer 8

green

Question 9

what size film would you use for a bitewing?

Answer 9

deciduous dentition- size 0
permanent dentition- size 2

Question 10

what size film would you use for an anterior periapical?

Answer 10

size 0

Question 11

what size film would you use for a posterior periapical?

Answer 11

size 2

Question 12

what must be included in a radiograph report?

Answer 12

• type of x-ray
• grade of x-ray
• teeth present
• restorations
• caries present
• bone levels