Dominion Dental Journal, Vol. 14
Official Organ of the Canadian Dental Associations (Classic Reprint)

Excerpt from Dominion Dental Journal, Vol. 14: Official Organ of the Canadian Dental Associations<br><br>Miscellaneous and Ready-Made Crowns. - There has been such numerous varieties of individual crowns that a description of each would occupy so much time and take so much space that it is out of the question; even a mention of them would be to no advantage; but at the same time I believe a knowledge of some of the crowns that are passing out of existence, but not yet reached the stage of "obsolete," is not out of the way, as one should be versed with them to gather ideas at critical times.<br><br>The enforcing of the patents of the Tooth Crown Co. has had much to do with taking from the profession methods that were useful, reliable, and durable.<br><br>I will describe, principally with diagrams, and as few words as possible, a few of the most prominent systems merely as an education, just as a musician studies the life and characteristics of the great composers that they may be able to interpret the piece of music with feelings of the author.<br><br>Dr. Buttner, in 1882, brought a system specially adapted to incisors and cuspids. The inventor's claim was simplicity of construction, firmness, durability, and arrest of decay from the root.<br><br>The claim in this method is the preparation of the neck of the root by a set of instruments especially constructed for that purpose. They consist of a drill (Fig. 53) to enlarge the root-canal for the guidance of the reamer and facing instrument and trephine. The reamer (Fig. 54) cuts the surface of the root down to a level surface, and has a centre-pin which corresponds with the hole made by the drill in centre of root and acts as a guide.<br><br>About the Publisher<br><br>Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com<br><br>This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.