. Plastics and plastic filling; as pertaining to the filling of all cavities of decay in teeth below medium in structure, and to difficult and inaccessible cavities in teeth of all grades of structure. re-, and middle lingersfree to aid in operating. This is at first by no means an easything for every one to do, but is acquired, without much diffi-culty, by practice, and is of decided importance, as it maintainsto the amalgam a degree of plasticity, by warmth, which can-not be utilized if, as is frequently the case, the button - is laidupon the operating-table, and there cut up into pieces. Th
. Plastics and plastic filling; as pertaining to the filling of all cavities of decay in teeth below medium in structure, and to difficult and inaccessible cavities in teeth of all grades of structure. re-, and middle lingersfree to aid in operating. This is at first by no means an easything for every one to do, but is acquired, without much diffi-culty, by practice, and is of decided importance, as it maintainsto the amalgam a degree of plasticity, by warmth, which can-not be utilized if, as is frequently the case, the button - is laidupon the operating-table, and there cut up into pieces. Theamalgam is now ready for insertion. AETICLE X. INSTRUMENTS FOB THE INSERTION OF AMALGAM FILLINGS. WITH the idea that experience indicates the employment offew but accurately adapted instruments as conducive toexpert manipulation and productive of superior results, I havegradually introduced, discarded, modified, and selected shapes,sizes, and number of instruments until, for daily routine work,I have for the last ten years had no necessity for change oraddition; nor have I seen the possibility of any advantageousreduction in number. Based upon these conclusions is a set of filling instruinents. AMALGAM-FILLING INSTRUMENTS. 93 for amalgam, and, incidentally, for zinc-pliosphate and gutta-percha stoppings, the patterns for which I have furnished formanufacture for the past ten years. The annexed illustrations,with descriptions for use, will, I think, afford all needed instruc-tions to insure a satisfactory adaptation of means to ends. It will be observed by practitioners who are generally con-versant with instrument forms that I have endeavored to util-ize familiar shapes rather than devise new instruments ; and inthis I have almost entirely succeeded. My reason for so doingis, that the habit of use which has been acquired in one direc-tion may be made subservient in other work; thus the use ofthe ball-burnisher, having been acquired for the purpose of fin-ishing gold fillings,
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectdentistryoperative
