Disposable impression tray and method of using

Abstract From the Canadian patent

A denture is made by providing an impression tray made of material malleable at less than 150°F and rigid at body temperature, heating said tray and inserting it in the mouth while malleable and at less than 150°F, conforming it to the patient's mouth, measuring the vertical dimension of the patient's mouth removing the tray, lining it with impression material reinserting, the tray to form a final impression removing the tray, providing, a bite block attaching such blocks to the tray, inserting the tray in the patient's mouth, recording the bite registration and using the, resultant tray and bite blocks the basis for forming a customized denture. A disposable dental impression tray is made …