Whenever I'm scanning the internet for interesting and unusual blog material, it seems I never come up empty handed! I found an informative article about using the microwave to clean dentures. Yes, apparently it can be done, and it is said to be much more effective at removing bacteria when used along with a denture cleaner than with just the cleaner alone.
Here is the link to the article. It explains the effectiveness and gives some handy instructions to boot!
**Note: Before you try this you MUST make sure your dentures have no metal parts!