Fixed Appliances

Question 1

What are the components of a fixed appliance?

Answer 1

1. Bracket
2. Band
3. Archwire
4. Auxiliaries

Question 2

What can be incorporated for absolute anchorage?

Answer 2

• Temporary anchorage devices (TAD)

- Cortical anchorage

Question 3

What dental dentures have high chances of relapse following fixed orthodontics?

Answer 3

• Diastemas/ space closure
• Rotation
• Palatally ectopic canines
• Proclination of lower incisors
• AOB
• Instanding upper laterals

Question 4

What types of retainers are available after fixed orthodontics?

Answer 4

FIXED
- Bonded wire retainer

REMOVABLE

• Pressure formed
• Hawley retainer

Question 5

What are the indications for use of a bonded fixed retainer following orthodontic treatment?

Answer 5

Cases with high chance of relapse

Question 6

How long is treatment for

1. An average case
2. Hypodontia case
3. Orthognathic case

Answer 6

1. Average case = 18-24 months
2. Hypodontia case = 24-30 months
3. Orthognathic case = 24-30 months

Question 7

What is the role of the GDP during orthodontic treatment?

Answer 7

1. Routine check-ups
2. Liaise with orthodontists if concerns
3. Make appliances safe in orthodontic emergencies