anatomy in facial radiography and CBCT

Question 1

what is norma lateralis

Answer 1

• view of skull from the side

Question 2

what is norma frontalis

Answer 2

• view of skull from the front

Question 3

what is norma basalis

Answer 3

• view of skull from underneath

Question 4

what x-ray type lets us view norma lateralis

Answer 4

• lateral cephalometry

- lets us see soft tissues as well as bones

Question 5

what is a norma frontalis view of a radiograph good for viewing

Answer 5

• parts of mandible = remus and some of body
• not a good view for anterior mandible as the cervical spine is superimposed on it
• can’t really see condyle either as superimposed on mastoid process
• can see orbits and bony components of nasal cavity
• used to look at mandible

Question 6

what view do we use if we want to look t the maxilla

Answer 6

• frontal tilted view
• can see sinuses and orbits better too
• mandible changes shape in this view = has a curve up, instead of down
• radiolucency under mandible is foramen magnum

Question 7

in a basal view, how does the mandible look

Answer 7

• makes and upside down u-shape

Question 8

how thick are CBCT sections

Answer 8

• 0.4mm thick or thinner

Question 9

what is axial view of CBCT

Answer 9

• slices going across body

Question 10

what is lateral view of CBCT

Answer 10

• sagittal
• going from the side
• profile view

Question 11

what is a frontal view of CBCT also called

Answer 11

• coronal

Question 12

where is the hamulus

Answer 12

• little hook at the end of medial pterygoid plate

Question 13

are sinus pairs the same

Answer 13

• no they are often asymmetrical