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Ice cube. Simply place ice cubes in the carpet dips and wait a few hours or at least until the ice melts. Use a sponge to absorb the excess water, and then use a spoon or a coin to gently lift the carpet fibers.
Steam iron. For an entirely opposite approach, lay a clean cloth over the dent and steam heat with an iron. Do not place the iron directly on top of the carpet. Then, gently spoon up the fibers.
Damp towel. For deeper dents, lay a moist hand towel over the dent. On medium heat, gently iron over the towel. The fibers will start to spring up under the heat. Leave the towel on the divot and remove when dry. Finally, vacuum over the affected carpet area so the fibers are sucked to maximum height.
Blow dryer. You can also spritz any dents with water. Then, use a blow dryer to heat the affected areas. Use your fingers to brush up the fibers intermittently through the drying process.