Hi all. Haven't been on in quite awhile since I sort of retired. But I use Marvelous Molds all the time and they just recently posted a video FAQ on the Onlays. Please, if you have trouble using them, please check out the video. I found it to be quite helpfulf!
Whoops! Forgot the link.http://marvelousmolds.com/blog/troubleshooting-with-silicone-onlays