Fixed appliances

Question 1

What does TAD allow?

Answer 1

Absolute anchorage (won’t move at all)

Question 2

Examples of force generating components

Answer 2

• Elastic power chain
  
  • NiTi coils
  • Intra-oral elastics
  • Active ligature (ligature with elastomeric module attached)

Question 3

Which way should elastics run if trying to pull lower segment back to treat class 3?

Answer 3

From upper molars down to lower canines

Question 4

Is it harder to get anchorage in removable or fixed appliances?

Answer 4

Fixed appliances

Question 5

What features have a high relapse potential?

Answer 5

Diastema/space closure, rotations, palatally ectopic canines, anterior open bite, proclined lower incisors, instanding upper laterals