Objective: How to remove scratches from a CD or DVD disk?

Which of the following solutions is more sound in terms of naive physics reasoning?

Choose your answer from:
1). Clean the disk with some water and a toothbrush and then apply some lint scratches, rub it in and then rinse it off
2). Clean the disk with some water and a lint free cloth and then apply tooth paste to the scratches, rub it in and then rinse it off
2).