Dentemp Reline-It Dentemp Reline-It makes looses dentures fit like new, offering stability that is not offered by thick layers of denture adhesive. It contains two reliners & can be used for both upper & lower dentures. Dentemp Reline-It is for the temporary refitting of dentures, until a dentist can be seen. Improper or long term use of denture cushions, pads or reliners may lead to faster gum erosion, irritation & sores. For best results, use up to one week per application.