15 - Orthognathic surgery Flashcards
No slides - notes with definitions
1
Q
What are the problems associated with a retrognathic mandible?
A
sleep apnea (breathing problem)
- fatigue
- snoring
- mouth breather
2
Q
Define dysmorphophobia.
A
- extreme reaction to their appearance
- neurosis
- contraindication for orthognathic surgery
3
Q
Define VPI.
A
- velopharyngeal incompetence
- short soft palate allows air to escape to nose
- creates hypernasal quality to speech
4
Q
What are the main causes of deformity?
A
- congenital
- trauma
- hormonal
- pathology
5
Q
What is vertical asymmetry?
A
Height of features
6
Q
What is horizontal asymmetry?
A
Side to side
7
Q
What is occlusal canting?
A
Vertical position of the teeth when the left and right sides are different
8
Q
What is paranasal hollowing?
A
- maxillary deficiency
- face appears flat
9
Q
Define retrognathism.
A
Right size, too far back
10
Q
Define hypoplasia.
A
Too small, right position
