Manual of dental surgery and pathology . finely divided condition, andwhich is consolidated by pressure in much the same way as precipitated gold,to be spoken of presently. It seems to be capable of making a stopping of goodcolor, with little liability to change its dimensions, but sufficient time has notyet elapsed to enable us to speak with any confidence in regard to its truevalue. 13 194 MANUAL OF DENTAL SURGERY AND PATHOLOGY. As the operations of filling teeth with gold, especially when em-ployed in the cohesive form, are lengthy and fatiguing ones, wecounsel the heginner to make early at
Manual of dental surgery and pathology . finely divided condition, andwhich is consolidated by pressure in much the same way as precipitated gold,to be spoken of presently. It seems to be capable of making a stopping of goodcolor, with little liability to change its dimensions, but sufficient time has notyet elapsed to enable us to speak with any confidence in regard to its truevalue. 13 194 MANUAL OF DENTAL SURGERY AND PATHOLOGY. As the operations of filling teeth with gold, especially when em-ployed in the cohesive form, are lengthy and fatiguing ones, wecounsel the heginner to make early attempts to conduct themin the sitting posture, and to this end we believe he will find noappliances so valuable as a Wilkersons operating chair and aLyons stool. The numerous movements of the former, so easily Fig. The Wilkorsoii operating chair. The various movements of the seat, back, head-piece, foot-hoard, and of the whole chair itself upon its pedestal, are as perfect as it is possible to imagine,and are carried out with a patient seated, rapidly and with a very small amount of force. effected with the patient in the cliair, and the suitable anglesat which the latter can be placed, are only fully a[)i)reciated bythose who have learned to operate in a sitting posture. The gold, prepared in sheets or leaves, is technically termedfoil, each sheet being usually about four inches square, and vary-ing in weight from 2 up to 240 grains; of late years the makers TREATMENT OF DENTAL CARIES. 195 have conveniently attached the ?^^j.!^ number to each represented by their V^ weight in grains. In the employ- • ~~^ ment of difierent numbers there ismuch variety of opinion, some pre-ferring the lower and some thehigher; if there be any rule, itwould be the obvious one of theformer being selected for sm
Size: 1620px × 1543px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectdentist, bookyear1882
