Intro to Dental Imaging

Question 1

A complete mouth series (CMS) at MCCC consists of how many images?

Answer 1

20; 4 bitewites, 8 anterior periapicals, 8 posterior periapicals

Question 2

List the three types of intraoral imaging examinations

Answer 2

-periapical examination
-interproximal examination (bitewings)
-occlusal examination

Question 3

List the components of an intraoral dental x-ray unit

Answer 3

-tubehead
-PID
-extension arm
-control panel (located outside of unit room at MCCC clinic)

Question 4

What do periapical images show?

Answer 4

-terminal end of the tooth root (apex)
-surrounding bone
-crown of the tooth

Question 5

What do interproximal images show?

Answer 5

-crowns of both maxillary and mandibular teeth on a single image
-open proximal surfaces
-crestal bone

Question 6

What do occlusal images show?

Answer 6

large areas of the maxillae or mandible on a single image

Question 7

List examples of extraoral radiograph examinations

Answer 7

-panoramic image *(most common)
-lateral jaw imaging
-cephalometric radiographs
-posteroanterior projection
-Waters projection
-Tomographic projection

Question 8

Dental radiographs are prescribed by whom? and based on what?

Answer 8

-prescribed by the dentist
-based on individual needs of the patient