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Process for the preparation of a dental crown to the facets, called the aesthetic appearance, and a shell which is intended to carry out said process
Process for the preparation of a dental crown to the facets, called the aesthetic appearance, and a shell which is intended to carry out said process
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机译:用于制备小平面的牙冠的方法,称为美学外观,以及旨在进行所述方法的壳体
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1,031,065. Tooth crowns. V. ANDREW. July 11,1963 [July 12,1962], No. 27444/63. Heading A5R. In making a crown for a tooth stump 1 a shell is cast which has a double wall 2, 3, at the lingual side, with an intervening space 5 into which the porcelain or other coating material 9, for the labial face, extends. Protrusions 7 may be formed on the front of the cap 2 to assist adhesion of the porcelain. Suitably shaped shells, made from wax, are set up on a model of the stump and employed in making a plastic cast of the crown. The final crown hood is then cast in metal and the coating 9 is applied.
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