A tilted molar can be used as a fixed partial denture abutment if
1. it undergoes orthodontic uprighting first.
2. a coping and telescopic crown are used on the abutment.
3. a non-rigid connector is placed in the fixed partial denture.
4. its long axis is within 25° of the long axis of the other abutments.

All of the above.

(1) (2) (3)

(1) and (3)

(2) and (4)

(4) only