DRC Technology & Digital Tools 3

Question 1

Cone beam computed tomography (CBCT) is best indicated for which clinical scenario in dental hygiene practice?

Accepted Answer

Assessment of bone levels in complex periodontal cases

Answer

CBCT provides three-dimensional bone visualization, making it especially valuable for assessing complex periodontal defects and bone morphology.

Question 2

Which quality assurance test is performed to verify that a digital sensor produces consistent results over time?

Accepted Answer

Reproducibility test

Answer

Reproducibility testing ensures that repeated exposures under the same conditions produce consistent, reliable digital images over time.

Question 3

What is the term for the process of converting the analog signal from a digital sensor into a digital image?

Accepted Answer

Digitization

Answer

Digitization is the process of converting analog electrical signals captured by the sensor into a digital image composed of pixels.

Question 4

When using panoramic digital imaging, which feature allows the operator to adjust the focal trough to better capture a specific arch width?

Accepted Answer

Focal trough or program selection

Answer

Modern digital panoramic units offer multiple program selections to adjust the focal trough shape and size to match different arch widths.

Question 5

In digital radiographic image storage, what does PACS stand for?

Accepted Answer

Picture Archiving and Communication System

Answer

PACS (Picture Archiving and Communication System) is the system used to store, retrieve, manage, and distribute digital medical and dental images.

(DRC) Dental Radiology Certification for Dental Hygienist Practice Test