Anatomical Terminology
Radiation Terminology
Infection Control Terminology
Landmarks 1
Landmarks 2
100

The dense white line surrounding the tooth socket on a radiograph.

What is the lamina dura?

100

The penetrating power of an x-ray beam.

What is quality?

100

Techniques that reduce exposure risk (proper glove removal, hand hygiene).

What are Work practice controls?

100

Which landmark is commonly seen near the apices (root tip) of mandibular premolars?

What is the mental foramen?

100

A blurry radiopaque image appearing on the opposite side of the pano is known as:

What is a ghost image?

200

The area where the maxillary sinus and nasal cavity overlap.

What is the inverted Y?

200

The number of x-ray photons produced during an exposure.

What is quantity?

200

Surface that is touched frequently during patient care and may become contaminated.

What is Clinical contact surface?

200

The presence of the inverted Y formation indicates this image is from which arch?

What is the maxillary arch?

200

This large radiolucent area superior to the maxillary posterior teeth is a normal anatomical space.

What is the maxillary sinus?

300

This radiolucent opening is commonly seen near the apices of mandibular premolars.

What is the mental foramen?

300

The SI unit used to measure absorbed dose.

What is the gray (Gy)?

300

The use of barriers and work practices to prevent disease transmission is known as __________.

What is asepsis?

300

Failure to capture the periapical region may prevent visualization of this landmark.

What is the root apex?

300

This triangular radiopacity is seen near the roots of maxillary molars.

What is the zygoma?

400

The bony ridge seen on mandibular posterior radiographs above the mylohyoid muscle.

What is the mylohyoid ridge?

400

The unit that measures equivalent dose and biological effect.

What is the sievert (Sv)?

400

Saliva, blood, and OPIM are grouped under this term.

What are potentially infectious materials?

400

Improper vertical angulation may distort the appearance of which structure?

What is the lamina dura?

400

This radiolucent opening in the midline of the anterior maxilla is seen near the incisors.

What is the incisive foramen?

500

A noticeable bony bump on the front part of the mandibular ramus that shows up as white on a radiograph.

What is the Coronoid process?

500

This term refers to the maximum amount of radiation an occupational worker may receive.

What is the maximum permissible dose (MPD)?

500

The spread of microorganisms from one host or surface to another.

What is Disease transmission?

500

This V-shaped radiopaque structure is seen superior to maxillary molars.

What is the zygomatic process?

500

This dark area below the mylohyoid ridge is known as the __________.

What is the submandibular fossa?

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