The Use of Porcelain in Dentistry ... Claudius Ash, a silversmith at the beginning of the nineteenth century, contributed greatly to improvements in the commercial product 4:63. ... (1239 Words -- Approx. 5 Pages)
Fitting a Crown ampamp Bacterial Plaque ... of centuries of trial and error, learning which materials to use 3:5 6. Claudius Ash contributed greatly to improvements in commercial porcelain 663. ... (1851 Words -- Approx. 7 Pages)