Name the type of bend?

a. first order

b. second order

c. third order

d. fourth order

Ans: first order bends

First order bends are also called as In-Out bends as they correct the alignment of the tooth in anteroposterior direction.

Second order bends- They are mesiodistal bends. They help correcting the mesiodistal angulation or the TIP of the tooth

Third order bends- They are basically to correct the root angulation or the TORQUE. They are given as a twist in the wire