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RHS Study > Study Guide > Flashcards

Study Guide Flashcards

1
Q

What does CT stand for in the context of dental imaging?

A. Centralized Tomography
B. Computerized Tomography
C. Comprehensive Treatment
D. Cranial Technique

A

B. Computerized tomography

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2
Q

What is the primary advantage of dental CT scans over traditional dental x-rays?
A. Lower cost
B. Higher resolution
C. Faster image acquisition
D. Reduced radiation dose

A

B. Higher resolution

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3
Q

Which anatomical structures can be visualized in greater detail with a dental CT scan compared to conventional radiographs?
A. Enamel
B. Dentin
C. Soft tissues and bone
D. Dental pulp

A

C. Soft tissues and bone

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4
Q

What is the purpose of using a dental CT scan in implant planning?
A. To measure tooth enamel
B. To assess gum color
C. To visualize nerve locations
D. To evaluate bone density and structure

A

D. To evaluate bone density and structure

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5
Q

How does a cone beam CT scan differ from conventional medical CT scan?

A. CBCT uses a cone-shaped x-rays
B. CBCT has higher radiation exposure
C. CBCT provides 3D images only
D. CBCT is not suitable for dental applications

A

A. CBCT uses a cone shaped x-ray

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6
Q

In which dental specialties is CT imaging commonly used?

A. Orthodontics and prosthodontics
B. Endodontics and periodontics
C. Max official surgery
D. All of the above

A

D. All of the above.

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7
Q

What is the typical unit of measurement for radiation exposure in dental CT scans?

A. Roentgen (R)
B. Gray (Gy)
C. Siverert (Sv)
D. Millisievert (mSv)

A

D. Millisievert (mSv)

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8
Q

What is the purpose of the software tools used in dental CT image analysis?

A. To increase radiation dose
B. To enhance patient comfort
C. To aid in diagnosis and treatment
D. To replace the need for radiographs

A

C. To aid in diagnosis and treatment

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9
Q

Which type of CT scan is specifically designed for imaging the temporomandibular Joint (TMJ)?

A. Panoramic CT
B. Maxillofacial CT
C. Temporal CT
D. Cone-Beam CT (CBCT)

A

D. Cone-Beam CT

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10
Q

What is the primary limitation of dental CT scans?

A. Inability to visualize soft tissues
B. Limited field of view
C. High cost
D. Prolonged scan time

A

B. Limited field of view

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11
Q

Which dental conditions or procedures may require a CT scan for accurate diagnosis and treatment planning?

A. Tooth decay
B. Routine Cleaning
C. Impacted wisdom teeth
D. Teeth whitening

A

C. Impacted Wisdom Teeth

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12
Q

What is the significance of isotropic voxel size in dental CT imaging?

A. It determines the scan time.
B. It affects image resolution
C. It measures radiation exposure.
D. It indicates the color of the image.

A

B. It affects image resolution.

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13
Q

How does the radiation dose of a dental CT scan compared to a conventional medical CT scan?

A. Dental CT scans have higher dose.
B. Dental CT scans have lower dose.
C. Both have similar doses.
D. It depends on dental procedure.

A

B. Dental CT scans have lower dose.

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14
Q

In dental implant planning, what does the term “stent” refer to?

A. Surgical instrument.
B. Radiographic artifact
C. Diagnostic software.
D. Radiopaque guide.

A

D. Radiopaque Guide

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15
Q

What is the primary advantage of using CBCT in orthodontics?

A. Improved enamel strength.
B. Reduced treatment time
C. Visualization of root morphology
D. Enhanced tooth whitening

A

C. Visualization of root morphology.

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16
Q

What is the purpose of a scout image in dental CT scanning?

A. To calibrate the x-ray machine
B. To preview the scanned area.
C. To diagnose dental carries
D. To evaluate bone density

A

B. To preview the scanned area.

17
Q

How does a dental CT imaging contribute to the diagnosis of temporomandibular joint TMJ disorders?

A. By assessing to alignment.
B. By evaluating muscle strength.
C. By visualizing joint anatomy.
D. By measuring gum recession.

A

C. By visualizing joint anatomy.

18
Q

Which of the following is a potential risk associated with dental CT scans?

A. Allergic reactions to contrast
B. Increased risk of tooth decay
C. Enhanced taste sensitivity
D. Improved overall health 

A

A. Allergic to reactions to contrast.

19
Q

What is the recommended age for a child to undergo a dental CT scan?

A. No age restrictions,
B. Only for infants
C. Only for adolescence
D. As needed considering risks and benefits. 

A

D. As needed considering risks and benefits.

20
Q

How does a dental CT scan assist in planning for orthodontic surgery?

A. By protecting hair growth pattern.
B. By determining lip thickness.
C. By assessing jaw relationships
D. By measuring tongue size.

A

C. By assessing jaw relationships.

RHS Study (1 decks)

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