A practical treatise on artificial crown- and bridge-work . and melted by maintaining a uniform heat with the large Ha meof a blow-pipe. The base of the crown is next ground level andaccurately fitted to the cap and articulated to the antagonizingteeth. It is then clamped in position to the cap, the pivots ofwhich are protected with investing material (Fig. 321), andsoldered, making a perfect joint. This is an easy method ofconstructing an otherwise difficull form of crown. SIKCIAL PROCESSES AND APPLIANCES IX BRIDGE-WORK. 165 Fig. 322 illustrates a bridge supported by a bar-anchorage ina solid


A practical treatise on artificial crown- and bridge-work . and melted by maintaining a uniform heat with the large Ha meof a blow-pipe. The base of the crown is next ground level andaccurately fitted to the cap and articulated to the antagonizingteeth. It is then clamped in position to the cap, the pivots ofwhich are protected with investing material (Fig. 321), andsoldered, making a perfect joint. This is an easy method ofconstructing an otherwise difficull form of crown. SIKCIAL PROCESSES AND APPLIANCES IX BRIDGE-WORK. 165 Fig. 322 illustrates a bridge supported by a bar-anchorage ina solid gold crown on the roots of a molar and a shell crown ona cuspid. < onru cting Bands or Barsfor Bridges, which obviate the removalof crowns of intervening natural teeth between the sections of aprojected bridge, are formed by passing a heavy band of oval- Fig. 322. Fig. Fig. 324. Fro.


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Keywords: ., bookcentury1800, bookdecade1880, bookpublisherphila, bookyear1889