Answers: If you haven't had your dentures long you entail to go subsidise to the dentist and get him to fix them. If you own to let your gums shrink consequently you may have to find some other sticky stuff and get him to check your bite. If your bite is off(hitting on one side first) than it will impose your dentures to kick down on one side putting cause them to loose their suction. If it has be a long time since you had them made later they can be relined at a third the cost of a new denture.
your cement strips?? you mean resembling denture glue??. anywho, your upper denture shouldnt fall down even without epoxy resin, meaning your denture is to be changed becauseit dosnt fit perfectly to your tissues. a dentures existence is 5-10 years