How can I remove an old liner from my dentures?
Denture liner removal
You can remove an old liner from your dentures by brushing it with a soft bristled brush and then rinsing with water. You can also soak it in soapy water for some water and then using a spoon scrape off the liner. See more details at http://www.ehow.com/how_5805609_remove-acrylic-denture-relining.html.