Process and technical errors

Question 1

Completely black

Answer 1

*film was exposed to light

Question 2

Completely clear

Answer 2

*Film was not exposed to x-radiation

Question 3

Light

Answer 3

Inadequate or depleted developer, developer too cool

Question 4

Dark

Answer 4

• Excessive developing time
• Developer too hot
• Concentrated developer

Question 5

Dark spots

Answer 5

Developer splashed on film before processing

Question 6

Light spots

Answer 6

Fixer splashed on film before processing

Question 7

Yellow, Brown color

Answer 7

• Exhausted chemicals
• Insufficient rinsing
• Incomplete fixation

Question 8

White spots

Answer 8

Air is trapped on the film surface after being placed onto processing solution

Question 9

Thin Black Lines

Answer 9

Air is trapped on the film surface after being placed onto processing solutions

Question 10

Herringbone or tire-track pattern

Answer 10

Film placed backwards in mouth

Question 11

White lines

Answer 11

soft emulsion removed from the film by sharp object

Question 12

Elongated Roots

Answer 12

Film may be bent to accommodate the patient’s anatomy, such as the area of the anterior maxilla

Question 13

Black line

Answer 13

Film bent too severely to accommodate patient

Question 14

Exposed area is black

Answer 14

Accidental exposure of film to white light

Question 15

Gray

Answer 15

• Improper safelight
• Outdated films
• Improper film storage
• Contaminated solutions

Question 16

Overlapping of teeth

Answer 16

Incorrect horizontal angulation

Question 17

Short teeth/ blunted roots

Answer 17

Too much vertical angulation

Question 18

Long distorted teeth

Answer 18

Too little vertical angulation

Question 19

Cone-cut

Answer 19

Central ray not in center of film