Show:
Processing & Technique Errors
Radiation Physics
Radiation Safety
Radiographic Anatomy
Wild Card!
100
You see black spots on your film after processing.
What happens when developer is spilled on the film before processing?
100
The electron shell with the highest binding energy.
What is The K shell?
100
The minimum distance the operator must stand when taking dental radiographs.
What is six (6) feet?
100
The U or J shaped radiopaque structure found apical to the maxillary molars.
What is the zygomatic process of the maxilla?
100
Caries that extends more than halfway through the enamel but does not involve the DEJ.
What is (radiographic) moderate interproximal caries?
200
The error that occurs when you have excessive vertical angulation.
What is foreshortening?
200
The recommended kilovoltage range for dental radiography.
What is 65-100kv?
200
The FDA/ADA recommended frequency for bitewings on a child with mixed dentition and with or at risk for decay.
What is every 6-12 months?
200
The radiolucent oval seen on a radiograph between the maxillary central incisors.
What is the incisive foramen?
200
Alveolar bone loss that occurs in a plane that is not parallel to the CEJs of adjacent teeth.
What is vertical bone loss?
300
The error that occurs when the Frankfort plane is tipped upward when exposing a panoramic radiograph.
What is a reverse smile line?
300
The source of the electrons in the electron cloud on the cathode side of the xray tube.
What is the tungsten filament?
300
The most effective method for reducing patient exposure to radiation.
What is fast speed film or digital radiography.
300
A broad, shallow, scooped out or depressed area of bone.
What is a fossa?
300
Three normal anatomic structures that appear radiopaque on a dental radiograph.
What are lamina dura, enamel, and cortical plate. Also floor of sinus, nasal septum, zygomatic process, etc.
400
A white area with a straight white border on your film.
What is developer cutoff.
400
This blocks the low energy, long wavelength, less penetrating xrays that exit the tubehead?
What are the aluminum disks in the x-ray tubehead.
400
(N-18) x 5 rems/year
What is the formula for calculating the maximum accumulated dose for occupationally exposed workers?
400
A radiopaque band in the premolar and incisor region.
What is the mental ridge?
400
Three non critical instruments used when taking dental radiographs.
What is the lead apron, thyroid shield, tube head, control panel, or exposure button.
500
This results in acceleration of the electron cloud from the cathode to the anode/tungsten target.
What is activation of the high voltage (step up) circuit.
500
The type of scatter that results when an x-ray photon collides with and ejects an outer-shell electron from its orbit.
What is Compton scatter?
500
Critical organs that are exposed during dental radiography.
What are skin, bone marrow, lens of eye and thyroid gland.
500
The hamulus, zygomatic process, and mastoid process.
What are structures seen on a maxillary molar periapical?
500
The two most commonly used digital intraoral sensor technologies.
What are complimentary metal oxide semiconductor and charge-coupled device.