Dental review; devoted to the advancement of dentistry. . ng, causes the rod (V) to return to its former position. Assoon as the metal has become stiff the arrangement is such that it is 146 THE DENTAL REVIEW. only necessary to open the tap every time the apparatus has to beused. The stream of gas may be lessened by shortening the rod, andthis is done by screwing on the piece at the lower end, which mustalways be fastened with the unit (X). Careful attention must bepaid to this. By means of the screw (XI) one can arrange the tap sothat it either subdues the flame or extinguishes it altogether.
Dental review; devoted to the advancement of dentistry. . ng, causes the rod (V) to return to its former position. Assoon as the metal has become stiff the arrangement is such that it is 146 THE DENTAL REVIEW. only necessary to open the tap every time the apparatus has to beused. The stream of gas may be lessened by shortening the rod, andthis is done by screwing on the piece at the lower end, which mustalways be fastened with the unit (X). Careful attention must bepaid to this. By means of the screw (XI) one can arrange the tap sothat it either subdues the flame or extinguishes it altogether. In Fig. 3 we see the basket for the instruments in its place, whilethe instruments are being put in, as well as after the sterilization,with the oil dripping off them. Through this arrangement we donot get any oil outside the apparatus; furthermore the basket is con-structed in such a way that the instruments can not get too near thebottom, so that they may not be exposed to too great a heat. The cover is only to be removed when the instruments are put. Fig. 3. in or taken out, otherwise it must be in its place, so that the fumesdo not escape. Close to the apparatus one must have an enameledtray or a photographic dish or something similar, where the basketwith instruments can be put when they have to be wiped. It is advisable to become familiarized with the apparatus and touse the best paraffin, or vaseline oil, to which now and then somedrops of eucalyptus oil may be added. As a rule old handpieces contain so much rust and dirty oil thatthe first portion of oil quickly becomes black and has to be renewed. ORIGINAL COMMUNICATIONS. 147 In order to remove the dirt more quickly one can let the handpiecesrotate in the hot oil. Sterilization in the oil bath is particularly suited for enginehandpieces and angle attachments; furthermore for knives, scissors,forceps, excavators, both with ordinary handles and such of vulcanite,which can stand heating in oil to 150 degrees Cel. for hal
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Keywords: ., bookcentury1900, bookdecade1900, bookiddent, booksubjectdentistry
