Chapter 25 Digital Imaging Questions and
Answers| Latest Update
Digital imaging uses ____ to produce an image.
A. An x-ray processor
B. An electronic sensor and computerized imaging system
C. Processing chemistry
D. Radiographic film ✔️✔️B. An electronic sensor and computerized imaging system
With the feature of ____, the gray-scale of the diagnostic image is reversed so that radiolucent
images appear white and radiopaque images appear black.
A. Digital subtraction
B. Pseudocolor alteration
C. Contrast
D. Image orientation ✔️✔️A. Digital subtraction
Advantages of the use of digital imaging include which of the following?
A. Image storage and communication are easier with digital networking.
B. The digital image cannot be incorporated into the electronic record.
C. Images can be electronically transmitted to other dental professionals.
D. Some combination of the above.
, E. All of the above. ✔️✔️D. Some combination of the above.
How does the CMOS detector differ from the CCD detector?
A. The CMOS detector is less durable than the CCD detector.
B. The CMOS detector is silicon-based and differs from the CCD detector in the way that the
pixels are read.
C. The CMOS detector is more expensive to produce than the CCD detector.
D. The CMOS detector is currently manufactured by one company and claims 25% less
resolution than the CCD detector. ✔️✔️B. The CMOS detector is silicon-based and differs from
the CCD detector in the way that the pixels are read.
What is the software used to store images electronically? ✔️✔️Analog-to-digital converter
(ADC)
A method of obtaining a digital image in which an intraoral sensor is exposed to x-rays to
capture a radiographic image that can be viewed on a computer monitor.
(a) CCD scanning
(b) direct digital imaging
(c) Storage phosphor imaging ✔️✔️direct digital imaging: uses a sensor with a fiberoptic cable
linked to the computer
Which of the following use a reusable imaging plate coated with phosphors?
(a) CCD scanning
Answers| Latest Update
Digital imaging uses ____ to produce an image.
A. An x-ray processor
B. An electronic sensor and computerized imaging system
C. Processing chemistry
D. Radiographic film ✔️✔️B. An electronic sensor and computerized imaging system
With the feature of ____, the gray-scale of the diagnostic image is reversed so that radiolucent
images appear white and radiopaque images appear black.
A. Digital subtraction
B. Pseudocolor alteration
C. Contrast
D. Image orientation ✔️✔️A. Digital subtraction
Advantages of the use of digital imaging include which of the following?
A. Image storage and communication are easier with digital networking.
B. The digital image cannot be incorporated into the electronic record.
C. Images can be electronically transmitted to other dental professionals.
D. Some combination of the above.
, E. All of the above. ✔️✔️D. Some combination of the above.
How does the CMOS detector differ from the CCD detector?
A. The CMOS detector is less durable than the CCD detector.
B. The CMOS detector is silicon-based and differs from the CCD detector in the way that the
pixels are read.
C. The CMOS detector is more expensive to produce than the CCD detector.
D. The CMOS detector is currently manufactured by one company and claims 25% less
resolution than the CCD detector. ✔️✔️B. The CMOS detector is silicon-based and differs from
the CCD detector in the way that the pixels are read.
What is the software used to store images electronically? ✔️✔️Analog-to-digital converter
(ADC)
A method of obtaining a digital image in which an intraoral sensor is exposed to x-rays to
capture a radiographic image that can be viewed on a computer monitor.
(a) CCD scanning
(b) direct digital imaging
(c) Storage phosphor imaging ✔️✔️direct digital imaging: uses a sensor with a fiberoptic cable
linked to the computer
Which of the following use a reusable imaging plate coated with phosphors?
(a) CCD scanning
