. The Dental cosmos. Four upper incisors, from double-tube rod,with horizontal bar soldered to Richmondcrown to form anchorage for bridge. filled with water should be employed, inthe bottom of which a piece of rubber isplaced, upon which the tooth is heldwhile the drilling is being carried in like manner it may be stuck in apiece of lac. With regard to the time necessary todrill a tube in a porcelain rod, a seriesof experiments has proved that such atube can be drilled through rod No. 25to the horizontal tube in about five min-utes. Under ordinary circumstances,then, a sufficient time t
. The Dental cosmos. Four upper incisors, from double-tube rod,with horizontal bar soldered to Richmondcrown to form anchorage for bridge. filled with water should be employed, inthe bottom of which a piece of rubber isplaced, upon which the tooth is heldwhile the drilling is being carried in like manner it may be stuck in apiece of lac. With regard to the time necessary todrill a tube in a porcelain rod, a seriesof experiments has proved that such atube can be drilled through rod No. 25to the horizontal tube in about five min-utes. Under ordinary circumstances,then, a sufficient time to allow for thiswould be, say, from ten to fifteen min-utes.* A tube may also be drilled in the * Most dental depots will undertake to drillthese holes for a small sum. GIRDWOOD. TUBE TEETH AND PORCELAIN RODS. 1227 same way by means of a Butlers point,medium grit, mounted on a porte-pol-isher, and thinned down to size No. 4 Fig. A cm*** B
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Keywords: ., bookcentury1900, bookdecade1910, bookiddent, booksubjectdentistry
