. The Dental cosmos. This method of controlling the mois-ture will cause a very small amount ofcontraction, which is indeed a very grati-fying result, since the shrinkage of porce-lain is a most perplexing feature to theworker. The finished case (see Figs. 2 and 3)usually requires about two firings. When we are to crown a molar whichis bell-shaped, the ferrule alone will lackthe proper contour lingually: to over-come this it is suggested to contour apiece of platinum plate, of about 2T gage,to the shape of the desired restoration,and to solder this to the ferrule. If a large portion of the lin
. The Dental cosmos. This method of controlling the mois-ture will cause a very small amount ofcontraction, which is indeed a very grati-fying result, since the shrinkage of porce-lain is a most perplexing feature to theworker. The finished case (see Figs. 2 and 3)usually requires about two firings. When we are to crown a molar whichis bell-shaped, the ferrule alone will lackthe proper contour lingually: to over-come this it is suggested to contour apiece of platinum plate, of about 2T gage,to the shape of the desired restoration,and to solder this to the ferrule. If a large portion of the lingual aspectof the crown remains, the use of a dowelwill not be absolutely necessary. In sucha case a platinum pivot is soldered tem-porarily to the lingual surface of theband, which enables one to hold themechanism in the hand-vise. A lugshould be soldered to the floor for the Fig. 2,. Fig. 3.
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Keywords: ., bookcentury1900, bookdecade1910, bookiddent, booksubjectdentistry
