The presurgical assessment of a permanent maxillary first molar reveals roots which are trifurcated and widely divergent. The maxillary antrum encroaches into the area of trifurcation. Which of the following should be done during extraction of this tooth?
1. Reflect a flap.
2. Reduce the palatal bone to the level of the trifurcation.
3. Reduce the buccal bone to the level of the trifurcation.
4. Amputate the crown and section the roots.

(4) only

All of the above.

(1) (2) (3)

(1) and (3)

(2) and (4)