Introduction

Question 1

What is orthodontics?

Answer 1

Specialty of dentistry concerned with

1. Growth and development of teeth, face and jaws
2. Diagnosis, prevention and treatment of dental and facial irregularities

Question 2

What is malocclusion?

Answer 2

Significant deviation from the IDEAL OCCLUSION

Question 3

What is Andrew’s 6 keys of an ideal occlusion?

Answer 3

Gold standard, rarely found in nature

1. Class I molar relationship
2. Crown angulation (mesio-distal)
3. Crown inclination
4. No rotations
5. No spaces
6. Flat occlusal planes

Question 4

What IOTN scores require ortho treatment?

Answer 4

IOTN 4 and 5

Question 5

What are the treatment options for growing patients with skeletal discrepancies?

Answer 5

• Functional appliances
• Headgear
• Reverse pull face masks and RME

=> promotes/ restricts jaws

Question 6

Who is part of the orthognathic team?

Answer 6

• Orthodontist
• Maxillofacial surgeon
• Clinical psychologist
• Maxillofacial technician
• Speech therapist
• GDP

Question 7

What are the aims of orthodontics?

Answer 7

1. Function
2. Stability
3. Aesthetic

Question 8

What are the local causes of malocclusion?

Answer 8

1. Variation in tooth number
2. Variation in tooth size/form
3. Abnormalities of tooth position
4. Local abnormalities of soft tissues
5. Local pathology

Question 9

What does a lateral cephalometry analyse?

Answer 9

Relationship between jaws and cranial base

Relationship between jaws

Position of teeth in relation to jaws

soft tissue profile

Question 10

What is determined in the treatment plan?

Answer 10

1. Diagnosis
2. Problem list
3. Treatment aims
4. Treatment plan