PANORAMIC RADIOGRAPHY

Question 1

Panoramic radiographs show:
(2)

Answer 1

REAL IMAGES
GHOST IMAGES

Question 2

REAL IMAGE

Answer 2

Formed when object is located
between rotation center of beam
and film/receptor.

Question 3

GHOST IMAGE

Answer 3

Formed when object is located
between x-ray source and rotation
center of beam.

Question 4

PRINCIPLE ADVANTAGES OF PANORAMIC
RADIOGRAPHY
(4)

Answer 4

• Broad anatomic region imaged
• Relatively low radiation dose
• Convenience and speed of examination
• Can be used on patients who are unable
  to open mouth

Question 5

PRINCIPLE DISADVANTAGES OF PANORAMIC
RADIOGRAPHY
(3)

Answer 5

• Lacks the fine anatomic detail of intraoral
  radiographs
• Geometric distortion
• Overlapping of contacts