A practical treatise on artificial crown- and bridge-work . 1, Socket. 2, Fusible Metal. PORCELAIN CROWN WITH GOLD COLLAR ATTACHMENT. 75 Chill; in cooling, the fusible metal takes a tirin hold on thelower edge of the gold hand, holding it securely in place duringthe remainder of the o}>eration. Keinove the peg and themoldine, and with a wooden mallet drive the Logan crown intothe band until the porcelain rests upon the fusible metal. Burnishthe band smoothly about the crown. When the gold is perfectlyadjusted to the porcelain, melt the fusible metal to release theband and crown. If the work
A practical treatise on artificial crown- and bridge-work . 1, Socket. 2, Fusible Metal. PORCELAIN CROWN WITH GOLD COLLAR ATTACHMENT. 75 Chill; in cooling, the fusible metal takes a tirin hold on thelower edge of the gold hand, holding it securely in place duringthe remainder of the o}>eration. Keinove the peg and themoldine, and with a wooden mallet drive the Logan crown intothe band until the porcelain rests upon the fusible metal. Burnishthe band smoothly about the crown. When the gold is perfectlyadjusted to the porcelain, melt the fusible metal to release theband and crown. If the work has boon carefully done, the crown with its bandwill then be ready to be sot, as the articulation and tit will nuthave been disturbed. Enough of the collar should be trimmed away at the lal)ial por-tion to prevent too conspicuous exposure of the gold (Fig. 122). Fig. 122. FiQ. 123. Fig. 124. Fig. 125. Fio. 126. Fig. 127.
Size: 1901px × 1314px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectcrowns, bookyear1889
