A must have for all plastic and porcelain plates is cushion grip denture adhesive. Once you put it on, it can last up to 4 days. Even if you remove them to clean, you won't have to reapply for 4 days. It stays pliable and soft. It recreates a secure seal . For more information or to order this, try this site:
. http://www.drugstore.com/qxp15611_333181_sespider/cushion_grip/thermoplastic_denture_adhesive.htm.