Week 13- Cephalometrics Flashcards
1
Q
What are the 5 functional components of the face?
A
- Cranium and cranial base
- Maxilla
- Mandible
- Maxillary dentition
- Mandibular dentition
2
Q
What is nasion and sella?
A
- Nasion: anterior point of the intersection between the nasal and frontal bones
- Sella: mid-point of cavity of sella turcica
3
Q
What are the maxilla landmarks?
A
- ANS
- PNS
- Point A
4
Q
What are the mandible landmarks?
A
- Point B
- Pogonion
- Menton
- Gonion
5
Q
What is ANB?
A
Sagittal jaw relationship (mx in relation to md)
Nasion to point A and B
6
Q
What is SNA?
A
Maxilla in relation to cranial base
Sella, nasion to point A
7
Q
What is SNB?
A
- Mandible in relation to cranial base
- Sella, nasion to point B
8
Q
What is Mx/Md plane angle?
A
Vertical assessment
- brachyfacial, mesofacial, dolichofacial
9
Q
What are the methods for measuring vertical dimension on ceph?
A
- MMPA
- SN-MxP
- SN-MdP
10
Q
How are the dental relationships to mx and md measured?
A
UI inclination
LI inclination
