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
Father of surgery the veins. He has been called the "father of ancient surgery". The Scotsman John Hunter (1728–1793) was known for his scientific, experimental approach to medicine and surgery. He has been called the "father of modern surgery". The American surgeon Philip Syng Physick (1768–1837) worked in Philadelphia and invented a number of new surgical methods and instruments. He has been called the "father of modern surgery". The Englishman Joseph Lister (1827–1912) became well known for his advocacy of the use of carbolic acid (phenol) as an antiseptic, and was dubbed the "father of modern surgery" as a result. The German Theodor