Orthognathic Surgery

Question 1

Fundamental of orthognathic surgery

Answer 1

-team approach
-history
-clinical exam
-investigations
-Prediction planning

Question 2

Why is psychology important in orthognathic surgery

Answer 2

• need to recognise any psychological problems so they treat that first
  -may have post surgical depression

Question 3

What team are involved in orthognathic surgery

Answer 3

• orthodontics
  -surgical
  -restorative
  -perio
  -speech and language therapy
  -psychology
• OH

Question 4

Special investigations for orthognathic surgery

Answer 4

Radiographs - OPT, ceph , PA, occlusal , CBCT
Study models
Photographs

Question 5

What is orthognathic surgery

Answer 5

Surgery to alter occlusion and facial appearance
It repositions the jaws for patients who are past the growth stage

Question 7

Orthognathic process

Answer 7

Usually braces given first - these align teeth, eliminate crowding, spaces and cross bites , correction of inclinations
Then the surgical fixation
Then post op orthodontics kept on for few months after

Question 8

Types of surgery

Answer 8

Maxilla
- maxilla osteotomy - maxillary advancement
- le fort 1 osteotomy - maxillary impaction

Mandible
- advancement - BSSO, inverted L ramus osteotomy
-set back - BSSO, body osteotomy

Chin
- genioplasty

Question 9

Advantages of surgery first approach

Answer 9

1. reduction of furation of treatment
2. faster orthodontic tooth movement
3. immediate improvement in facial apperances
4. cost effectiveness