ORE Part 1 Dental Radiology

Question 1

According to UK IRMER regulations, which professional is responsible for justifying a dental radiograph?

Accepted Answer

The referrer or practitioner (usually the dentist)

Answer

The dental nurse

Answer

The radiographer

Answer

The patient

Question 2

What is the recommended interval for routine bitewing radiographs in a high-caries-risk adult patient?

Accepted Answer

Every 6 months

Answer

Every 12 months

Answer

Every 24 months

Answer

Only when clinically indicated

Question 3

Which radiographic view is most appropriate for assessing a suspected fracture of the mandibular condyle?

Accepted Answer

Dental panoramic tomograph (DPT/OPG)

Answer

Periapical radiograph

Answer

Upper standard occlusal

Answer

Bitewing radiograph

Question 4

What does the ALARP principle stand for in dental radiography?

Accepted Answer

As Low As Reasonably Practicable

Answer

As Long As Reasonably Practicable

Answer

Always Limit All Radiation Procedures

Answer

Assessed Levels Are Routinely Plotted

Question 5

Rectangular collimation of the X-ray beam reduces patient radiation dose by approximately what percentage compared to round collimation?

Accepted Answer

50–60%

Answer

10–20%

Answer

30–40%

Answer

80–90%

Question 6

On a periapical radiograph, a well-defined radiolucency at the apex of a non-vital tooth is most likely to represent which pathology?

Accepted Answer

Periapical granuloma or cyst

Answer

Cementoma

Answer

Odontogenic keratocyst

Answer

Normal periapical anatomy