A Practical Treatise On Artificial Crown-, And Bridge, And Porcelain- Work
The book A Practical Treatise On Artificial Crown-, And Bridge, And Porcelain- Work was written by author George Evans Here you can read free online of A Practical Treatise On Artificial Crown-, And Bridge, And Porcelain- Work book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is A Practical Treatise On Artificial Crown-, And Bridge, And Porcelain- Work a good or bad book?
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270. ing in a half-collar cap, as shown in Fig. 267. The remainder of the work is the same as in the construction of any backed and soldered crown. The Double Cap=Crown: Dr. Parr's Method. — The advantage of this form of crown is that the root is securely and permanently capped independently of the crown, which can be removed without disturbing the cap on the root. For use in crown- and bridge-work the outer cap may be made without a collar, as shown in Fig. 269, or with a partial collar, which... half encircles the inner cap over the palatal portion, and tapers off from the palatal to the labial section, as illustrated in Fig. 270. The cap on the root is cemented with oxyphosphate, and the post and outer cap with gutta-percha. The root is prepared, banded, and capped without a pin, the 136 CROWN-, BRIDGE-, AND PORCELAIN-WORK. same as for a gold collar crown (A, Fig. 268). A hole is made in the cap, and a post fitted in the canal. A piece of pure gold plate or platinum is cut fully the size of the surface of the root cap.
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