A practical treatise on mechanical dentistry . portion where the tooth begins to slope back (about the dotted linesin Fig. 598). This leaves the crown as shown in Fig. 595, approxi-mal and labial views. Drive on the root. If too small, place onthe horn of an anvil and enlarge by hammering; if too large, band BRIDGE DENTURES. 615 the root in the same manner as for a Richmond crown, grindingthe tooth to fit. Porcelain Facings.—First make the gold crown as a porcelain facing suitable for the case (Fig. 600). Place thecrown on the root in the mouth, and with an excavator mark onth
A practical treatise on mechanical dentistry . portion where the tooth begins to slope back (about the dotted linesin Fig. 598). This leaves the crown as shown in Fig. 595, approxi-mal and labial views. Drive on the root. If too small, place onthe horn of an anvil and enlarge by hammering; if too large, band BRIDGE DENTURES. 615 the root in the same manner as for a Richmond crown, grindingthe tooth to fit. Porcelain Facings.—First make the gold crown as a porcelain facing suitable for the case (Fig. 600). Place thecrown on the root in the mouth, and with an excavator mark onthe face where the porcelain is to appear. Remove the crown andsaw out, so that the facing will fit loosely. With a knife bevel theinner edge or seat for the facing (Fig. 603). Grind the facing tofit (Fig. 605). Back up the facing with No. 34 or 36 gage puregold, punching holes in the backing for pins, annealing as required Fig. 599. Fig. 600. Fig. 603. Fig. 605.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectdentist, bookyear1903
