American Journal of Dental Science (Volume 28) - Softcover

This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1895. Excerpt: ... Correct Articulation In Bridge-Work.--Place on the gum, between the pier teeth, a bolster of wax, and put in position the pier crown and the dummies as they have been cemented together with wax on the articulating model. Have the patient bite on them, and when each tooth is in proper position, invert on the jaw a partial tray filled with a half-and-half mixture of marble dust and plaster, mixed with water primed with sulphate of potash. Remove from the mouth carefully, clean off the wax, and the piece is invested, ready for soldering.--Wm. Crenshaw in the Items ef Interest. Cocain Injection.--To eliminate all danger in the injection of cocain, Gauthicr gives the following formula; R. Cocain hydroclilo.... grs. iij. Alcoholic solution nitro glycerin i per cent. M. x. Distilled water.-... fl.dr.iiss. Each syritigeful, ( 16 M.) contains J gr. cocain and I M. nitro-glycerin solution. Instead of collapse, the face flushes, and the heart beats quicker and stronger, and the patient is altogether comfortable.--Am. Med. and Surg. Bulletin. Alloy For Gold Solders.--Equal parts by weight of copper, silver and zinc. Melt copper and silver in a crucible, and gradually add the zinc in small pieces. When the blue flame of gas is thrown oft. pour into an ingot and label 'alloy for gold solder." Take of this alloy one part, and of the gold plate you are using, three parts, and you will have a solder that will melt easily, flow smoothly, and will not change color in the mouth. Items of Interest. THE AMERICAN JOURNAL--OF--DENTAL SCIENCE. Vol. Xxviii. Baltimore, September, i894. No. 5. Article i. LOCAL OBTUNDENTS. BY A. W. HAIDLE, D. D. S. Read before the 38th Annual Meeting of the Michigan Dentan Amotion. Loral obtundents, or to use a more general term, local anaesthetics,...