. The Dental cosmos. grinding of the back of the porcelainfacing unnecessary. At the same time Ihave adopted Steeles porcelain facingsfor dummies, for the reason that thesoldering of the platinum wire to thepins of the usual porcelain facing can bedispensed with, and the attachment ismuch more simple and practical, andequally effective. In my opinion an in- Fig. one corresponding end, leaving unsol-dered the ends where the backing is tobe joined later. Second method. The usual seamlessmethod. Third method. The gold plate ispressed down tightly around the solidmetallic model of the abutment


. The Dental cosmos. grinding of the back of the porcelainfacing unnecessary. At the same time Ihave adopted Steeles porcelain facingsfor dummies, for the reason that thesoldering of the platinum wire to thepins of the usual porcelain facing can bedispensed with, and the attachment ismuch more simple and practical, andequally effective. In my opinion an in- Fig. one corresponding end, leaving unsol-dered the ends where the backing is tobe joined later. Second method. The usual seamlessmethod. Third method. The gold plate ispressed down tightly around the solidmetallic model of the abutment tooth. PREPARATION FOR MAKING THE BRIDGE. The crowns or bands are now placed onthe abutment teeth, bound tightly to thelatter by means of a fine copper wire, and 536 THE DENTAL COSMOS. then a plaster impression and a wax biteare taken. The crowns are again re-moved from the teeth, and placed withinthe impression before making the plastermodel. The model is then set up in anarticulator, in order to ascertain the cor-rect occlusion. Suitable porcelain teethare then selected and are ground to themodel. BACKING. For making the backing according tomy method, an ordinary Steeles backingis selected, and a square piece of goldplate of No. 26 gage is soldered on tothe back of the backing. A dovetail orsquare box is then cut out in the portionnear the gingival margin


Size: 2216px × 1127px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1910, booksubjectdentist, bookyear1912