Book excerpt: Excerpt from Dominion Dental Journal, 1919, Vol. 31 Associate Professor Prosthetic Dentistry, Royal College of Dental Surgeons. Delivered before the Eastern Ontario Dental Society, Ottawa, September. 1018. I. In the field of crown work a clear conception and a thor ough understanding of the indications and requirements of such substitutes are essentially necessary. It'is largely a matter of judgment and discrimination as to the particular method applicable to the case at hand. At first conclusion there may be several methods apparentlv applicable, but there is usually one in particular which upon close observation will best neet all of the requirements. While crown work is divi de into two general classes, namely the shell, or telescope crown and the dowel crown, the variation in the essential de tail of their individual construction requires that each class he sub-d ided and considered separatelv. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com 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.