Charles Stent Charles Stent Charles Stent (1807–1885) was a 19th-century English dentist notable for his advances in the field of denture making. In 1847, Edwin Truman introduced gutta-percha as a material for making dental impressions; however, this was unsatisfactory for several reasons, including its tendency to distort upon removal from the patient's mouth, and to shrink upon cooling. In 1856, Stent added several other materials to the gutta-percha, notably stearine, which markedly improved the plasticity of the material as well as its stability. He also added talc as an inert filler to give more body to the material, and red colouring. The
Tapas Acupressure Technique Tapas Acupressure Technique Tapas Acupressure Technique (or TAT) is an alternative medicine therapy that claims to clear negative emotions and past traumas. Though the full technique was invented in 1993 by Tapas Fleming, TAT incorporates elements of and builds on other acupressure techniques. Like other energy therapies, TAT relies on a putative energy for which no scientific basis has been found and no biophysical means of action determined. TAT shows many characteristics consistent with pseudoscience. Invented in 1993 by Tapas Fleming, the underlying idea claims that unresolved emotional trauma leads to a blockage of the natural flow of putative energy.