The dental news letter : a quarterly publication devoted to the interests of the dental profession . 98 ON WELDING. of the lost substance is built up with gutta pereha to represent the gumand alveolar process. Now, to completely plug the cavities into theantrum and the nose, gutta pereha is built upon the projections extend-ing into the antrum and nose, to form knobs or buttons large enough,when pressed in, to support the entire piece. Cut No. II. represents the job com-pleted j this has been used for overone year, and is retained in situ, anais used for mastication and articula-tion, but the
The dental news letter : a quarterly publication devoted to the interests of the dental profession . 98 ON WELDING. of the lost substance is built up with gutta pereha to represent the gumand alveolar process. Now, to completely plug the cavities into theantrum and the nose, gutta pereha is built upon the projections extend-ing into the antrum and nose, to form knobs or buttons large enough,when pressed in, to support the entire piece. Cut No. II. represents the job com-pleted j this has been used for overone year, and is retained in situ, anais used for mastication and articula-tion, but the gutta pereha and theknobs require renewing is similar to an obturator withteeth attached, and serves a goodand is one of those cases where gutta pereha is eminently J. d. purpose,useful. For the Dental News Letter. ON WELDING. BY T. L. BUCKINGHAM, D. D. S. Messrs. Editors :—Different members of our profession have forsome time past been trying experiments to see how solid gold could bepacked. They have tried numerous experiments with gold prepared invarious ways—sponge gold, gold foil as it is prepared by the manu-facturers, and gold foil prepared to be annealed by the dentists. The object of some of these experiments was not only to see howsolid the gold could be packed, but also to test the adhesiveness of reference to the adhesiveness, some very strong terms have beenused ; such as being as solid as gold would have been had it beenmelted and allowed to cool in a mass; or, to use a shorter term—welded together. At a convention held in the city of New York, in August, 1856,1questioned the possibility of welding gold by pressure alone when itwas cold; we were then told that although gold had not been classedwith the welding metals, it was t
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectdentistry, bookyear18
