Lab 3 Cephalometric Lines and Planes Flashcards

1
Q

Obtained by connecting 2 landmarks.

A

Lines

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

It is the cranial line between the center of the sella turcica and the anterior point of the fronto-nasal suture.

A

S.N. Plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

It represents the anterior cranial base.

A

S.N. Plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

This plane connects the lowest point of the orbit and the superior point of the external auditory meatus.

A

Frankfort horizontal plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

It is a denture plane bisecting the posterior occlusion of the permanent molars and premolars and extends anteriorly

A

Occlusal plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

It is a line linking the anterior nasal spine of the maxilla and the posterior nasal spine of the palatine bone.

A

Palatal plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

The mandibular plane in Tweed’s analysis?

A

Tangent to the lower border of the mandible

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What are the 2 landmarks used in drawing the mandibular plane in Steiner’s analysis?

A

Gonion - Gnathion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What are the 2 landmarks used in drawing the mandibular plane in Down’s analysis?

A

Gonion - Menton

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

It is a line connecting the basion and nasion, representing the cranial base.

A

Basion-nasal line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

This is a plane that connects the Bolton’s point posterior to the occipital condyles.

A

Bolton’s Plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What are the 7 horizontal plane?

A
  1. SN Plane
  2. Frankfort horizontal plane
  3. Occlusal plane
  4. Palatal plane
  5. Mandibular plane
  6. Basion-Nasal plane
  7. Bolton’s plane
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

It is a line connecting from Point A of the maxilla to the pogonion on the mandible.

A

A-Pog line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

It is a line from the anterior point of the fronto-nasal suture to the most anterior point of the mandible.

A

Facial plane

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

A line from Ptm point to cephalometric Gnathion.

A

Facial axis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

It is a line between the most anterior point of the soft tissue nose and soft tissue chin.

A

Esthetic plane

17
Q

What are the 4 vertical planes?

A
  1. A-Pog line
  2. Facial plane (Na-Pog)
  3. Facial axis (Ptm-Gn)
  4. Esthetic line