A practical treatise on artificial crown- and bridge-work . 181) also shows the organization in detail. A porcelain crowncan be used to represent any of the teeth in the same Fiffs. 182 and 183. CHAPTER YIIL. ALL-GOLD COLLAR CROWNS FOR BICUSPIDS AND MOLARSCONSTRUCTED IN SECTIONS. The root and crown having been properly prepared, the collaris formed and adjusted as described at page 85, and the edgetoward the antagonizing teeth trimmed, to fully clear them inocclusion. The collar is then slightly expanded toward theoccluding surface to etiect contour, removed, filled with plaster,and


A practical treatise on artificial crown- and bridge-work . 181) also shows the organization in detail. A porcelain crowncan be used to represent any of the teeth in the same Fiffs. 182 and 183. CHAPTER YIIL. ALL-GOLD COLLAR CROWNS FOR BICUSPIDS AND MOLARSCONSTRUCTED IN SECTIONS. The root and crown having been properly prepared, the collaris formed and adjusted as described at page 85, and the edgetoward the antagonizing teeth trimmed, to fully clear them inocclusion. The collar is then slightly expanded toward theoccluding surface to etiect contour, removed, filled with plaster,and adjusted in position. Fig. 184 rep- Pk, ^i. resents a typical case. The antagonizingteeth, having been covered with a pieceof tin foil, are then occluded until theplaster sets. The collar is then surface of the plaster inside thecollar will give the impression of thenatural root or crown, and the outside that of the antasronizino teeth. The latter furnishes an outlineof the grinding-surface of the crown. The plaster is then trimmed and shaped to represent the cuspsand fissures of the natural tooth, enough of the surface beingremoved to allow for the thickness of the plate that forms thecap. Readjust


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectcrowns, bookyear1889