RHS DANB Exam 145 Questions And Answers

EXAMS AND CERTIFICATIONS 145 Terms | RHS DANB Exam 145 Questions And Answers

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Terms in this set 145

Where is the most appropriate place to store dental?

In a cool, dry closet

Describe patient preparation for intraoral radiography

inspect the patients head and neck for any removable metal objects (jewelry, removable dentures, hearing aids etc.)

Preparation for panoramic radiography

Remove any glasses or removable prostheses, hearing aids, jewelry, etc.
*No thyroid collar and back is exposed

What should X-ray generally include? (5 tissue types)

Outermost - innermost:
Enamel
Dentin
Pulp Canal
Nerve / Blood vessel
Bone

What is the bisecting technique?

The proper direction of the central ray is 90 degrees to the imaginary bisector

what is the paralleling technique?;
why is it preferred?

- Film aligned to the long axis of the teeth
less distortion

The use of outdated/expired dental film may cause the x-ray to have:

Foggy and can have a slightly greyish apperance

How is vertical angulation calculated in degrees?

+ if it angles downward
- if it angles upward

When do you take BW on children?

If there is no decay, BW are done every 1- 1.5 years until permanent teeth come in, after that.. 2 years

What is the best exposure technique on children? and why?

Panoramic if available, less radiation