The Dental Register Volume 58

The Dental Register Volume 58

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This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1904 edition. Excerpt: ...of crowns and bridges wears very smooth and slick, and it is hard to keep food in proper position during the process of mastication. For this reason, inlays are especially applicable in large cavities in molars, and especially in the inferior molars, for esthetic reasons. I construct as many inlays for large cavities in molars as I do for approximal cavities in incisors. I can hardly agree with Dr. Raymond when he says the time will soon come when all cavities in incisors and cuspids will be filled with porcelain. There are two points to be considered in all dental operations; first the mechanics, and second, the esthetics. A filling may be ever so well constructed, and the cavity esthetically filled, but if the conditions are such that it will last but a short time, then it is not practical. In many cases on account of the mechanical conditions, I believe it is not best to insert large porcelain fillings in incisors or cuspids. Dr. Raymond says that high-fusing porcelain is stronger than the Jenkins porcelain enamel. I do not believe the Doctor has thoroughly tested the porcelain, or he would not have made the statement. The Jenkins enamel has the advantage as far as crushing strength is concerned. It is more homogeneous in texture; it is denser and harder. I had an appliance made to test the crushing strength of porcelains. I find that the Brewster enamel will resist a greater force than the foundation or Close's body. Its density is greater than either of the others. _ There have been several statements made regarding the transparancy and opacity of porcelain. I seem to have different views from most of you, regarding the trans-. parency of porcelain. When we speak of natural teeth, being transparent, -we are drawing the line...
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Product details

  • Paperback | 200 pages
  • 189 x 246 x 11mm | 367g
  • United States
  • English
  • black & white illustrations
  • 1236822633
  • 9781236822635