A practical treatise on artificial crown- and bridge-work . ny point of which it may be quickly and firmly f 60 ARTIFICIAL CROWN- AND BRIDGE-WORK. fixed. The labio-cervical junction is made just under the gingi-val margin, and I usually interpose a thin layer of cement, amal-gam, or gutta-percha, or a narrow ribbon or several large blocksof soft gold : the joint always to be made carefully smooth, andhid from view under the free margins of the gums. /A. Porcelain Dovetail Tooth-Crown.—These crowns are de-signed for the roots of bicuspids and molars only, and the processof mounting them may be
A practical treatise on artificial crown- and bridge-work . ny point of which it may be quickly and firmly f 60 ARTIFICIAL CROWN- AND BRIDGE-WORK. fixed. The labio-cervical junction is made just under the gingi-val margin, and I usually interpose a thin layer of cement, amal-gam, or gutta-percha, or a narrow ribbon or several large blocksof soft gold : the joint always to be made carefully smooth, andhid from view under the free margins of the gums. /A. Porcelain Dovetail Tooth-Crown.—These crowns are de-signed for the roots of bicuspids and molars only, and the processof mounting them may be very briefly described. •? Fig. 67 shows the roots of an inferior molar after the apicalportions have been filled, the neck recessed, the canals drilledand tapped, and two How screw-posts firmly fixed therein, theends of the posts having been pinched towards each other bymean- of a pair of pliers, so that they will go through the cen-tral opening in the crown (Fig. 68). This opening is of a dove- Fig. 67. Fio. 68. Fig. 09. Fig. 70. Fig. 71. Fig.
Size: 2349px × 1064px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, bookpublisherphila, bookyear1889
