The inconsistency of our code of dental ethics / by C.H. Land.

  • Land, C. H. (Charles Henry), 1847-1922.
Date:
1888
Catalogue details

Licence: Public Domain Mark

Credit: The inconsistency of our code of dental ethics / by C.H. Land. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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    A SYSTEM OF PARTIAL CROWN WORK. Patented December 20, ]8«7. These improvements have developed a new and practical method of preparing and attaching artificial sections of teeth which may be appropriately designated as partial crowns. From a series of different shades of porcelain body, these sections can be made to imitate the various colors of the natural teeth per- fectly. Fig. 1, plate A, illus- trates a bicuspid with anterior portion of the natural tooth in- tact, having Howe post attached. Plate a. Fig. 2 represents a platinum matrix that has been carefully fitted about the post and burnished to the tooth. Fig. 3 illustrates the approximate surface of matrix, showing counter- sink for the post or screw, and on the anterior side, part of the fused porce- lain body can be seen. This forms a complete section ready to be cemented to the tooth, as shown in Fig. 4. From Figs. 1 to 5, in plate B, are modifica- tions of the same for molars. IMPORTANT. Plate C will be interesting, from the fact that it demon- strates a practical means of adjusting a porcelain section without resorting to posts or screws, and is especially ap- propriate where the pulp has not been destroyed. Fig. 1 repre- sents anterior side of molars, showing the prepared cavity. Fig. 2 is the platinum matrix. In the interior of this will be seen a Plate c.
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