Fixed Appliances

Question 1

What are the mode of action for a fixed appliance?

Answer 1

• Tip
• Torque
• Bodily
• Rotations

Question 2

What are the advantages and disadvantages of traditional buccal fixed appliances?

Answer 2

ADVANTAGES

1. Good access for clinician/patient
2. Easy to work on
3. Excellent finishing and detailing
4. Fixed to the teeth so not relying on compliance

DISADVANTAGES

1. Poor aesthetics
2. Decalcification visible
3. Harder for patients to clean

Question 3

What are the advantages and disadvantages of lingual fixed appliances?

Answer 3

ADVANTAGES

1. Good aesthetics
2. Decalcification not visible
3. Good bite opening

DISADVANTAGES

1. Difficult access for adjustments
2. Smaller inter bracket span
3. Harder for patients to clean
4. Increased patient discomfort
5. Finishing/detailing more difficult

Question 4

Name 3 different pre-adjusted bracket prescriptions.

Answer 4

1. MBT
2. ROTH
3. Damen
4. Andrews

Question 5

What materials can be used to make brackets?

Answer 5

1. Stainless Steel
2. Ceramic
3. Gold
4. Plastic

Question 6

What advice should a patient be given after the fitting of a fixed appliance?

Answer 6

1. What to expect/pain relief
2. Diet (soft foods/low sugar)
3. Cleaning (TePe’s/mouthwash)
4. Breakages
5. Continue to see GDP regularly