Patients with new dentures should be instructed to
1. clean dentures over a bowl of water.
2. hold dentures properly when cleaning.
3. correct minor soreness by filing dentures.
4. persist with soreness for one week, then return for an appointment.

(1) (2) (4)

(1) and (2)

(1) (2) (3)

All of the above

(2) and (4)