A practical treatise on mechanical dentistry . ldbe as accurately reproduced as practicable, Figs. 424, 425, 426, 427,and 428. The formation of a porcelain-faced bicuspid is similar tothat which has just been detailed, up to the soldering of the backedtooth to the cap, Fig. 429. The subsequent stages, however, arevery different. The perfect configuration of a bicuspid should bereproduced in wax, aptness of occlusion and knuckling being care-fully attended to, Fig. 430. In this condition the crown should beplaced in a small ring, such as is shown in Fig. 431, first set withwax in the desired po
A practical treatise on mechanical dentistry . ldbe as accurately reproduced as practicable, Figs. 424, 425, 426, 427,and 428. The formation of a porcelain-faced bicuspid is similar tothat which has just been detailed, up to the soldering of the backedtooth to the cap, Fig. 429. The subsequent stages, however, arevery different. The perfect configuration of a bicuspid should bereproduced in wax, aptness of occlusion and knuckling being care-fully attended to, Fig. 430. In this condition the crown should beplaced in a small ring, such as is shown in Fig. 431, first set withwax in the desired position, and then secured there by plaster. 5^4 MECHANICAL DENTISTRY. The exposed portion of the crown and surrounding- plaster shouldthen be coated with sandarac varnish and molded in marble-dustand glycerin, contained in a corresponding annular section, Over this is to be placed a conical tube, such as is repre-sented in Fig. 433, and into which molten zinc is to be poured. Fig. 420. Fig. 421. Fig. 422. Fig. 423. Fig. 424. Fig.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectdentist, bookyear1903
