Orthodontic Clinic Flashcards
1
Q
beyond what ANB value are you limited with what you can do with fixed appliances for a class 3 maloclusion
A
-3/-4
2
Q
what does an RME do
A
split mid palatal suture
3
Q
what are the advantages of a NiTi wire
A
flexible
shape memory
light continuous force
4
Q
what are the disadvantages of using NiTi wire
A
difficult to distort
higher friction than stainless steel so not good for space closure as it wont slide