The Dental cosmos . a hollow to be filled with gold, or with tin and gold as the case maybe. Figs. 10, 11, 12, and 13 show completed fillings of the describedkinds, the darker shadings serving to define either the completing 7H THE DENTAL COSMOS. portions of gold, or of tin and gold, as the case may be.—Ed. DentalCosmos.] Properties of tin and gold.—The qualities of the combination of tinand gold which have seldom failed to gain the approbation of all whohave given the material a fair trial are : (i) Its exceeding softness andadaptability. (2) The ease and rapidity with which it may be inserte


The Dental cosmos . a hollow to be filled with gold, or with tin and gold as the case maybe. Figs. 10, 11, 12, and 13 show completed fillings of the describedkinds, the darker shadings serving to define either the completing 7H THE DENTAL COSMOS. portions of gold, or of tin and gold, as the case may be.—Ed. DentalCosmos.] Properties of tin and gold.—The qualities of the combination of tinand gold which have seldom failed to gain the approbation of all whohave given the material a fair trial are : (i) Its exceeding softness andadaptability. (2) The ease and rapidity with which it may be inserted. Fig. 9. Fig. Moderate-sized cavities in the grinding-surfaces may often be filledmore quickly with tin and gold than with amalgam or cement, whenwe calculate the time required to mix the latter materials, and event-ually the time we must wait for the cement to partially harden. (3)Its indifference to moisture. A slight amount of moisture during the Fig. 12. Fig. 13.


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectdentist, bookyear1890