. Elementary and dental radiography / by Howard Riley Raper . Fig. 497. Illustrating theprinciple of ionization. Fig. 49S. An ionizationmachine—wall type. CANAL SURGERY AND ORAL INFECTION 471 Some Points Regarding Sterilization and the Practice ofAseptic Pulp Canal Work. The hands: Scrub with soap and water, then handle nothing butsterilized instruments and accessories. After scrubbing, if it is desired tohave the hands more surgically clean, dip in bichloride of mercury solu-tion, 1 :iooo, then distilled water, then 70 percent, ethyl alcohol. Instruments: Boiling water for twenty minutes. Two
. Elementary and dental radiography / by Howard Riley Raper . Fig. 497. Illustrating theprinciple of ionization. Fig. 49S. An ionizationmachine—wall type. CANAL SURGERY AND ORAL INFECTION 471 Some Points Regarding Sterilization and the Practice ofAseptic Pulp Canal Work. The hands: Scrub with soap and water, then handle nothing butsterilized instruments and accessories. After scrubbing, if it is desired tohave the hands more surgically clean, dip in bichloride of mercury solu-tion, 1 :iooo, then distilled water, then 70 percent, ethyl alcohol. Instruments: Boiling water for twenty minutes. Two percent, bi-carbonate of soda, also two per cent, phenol may be added to water ifdesired. Accessories other than instruments should be sterilized in a steamsterilizer, which admits of turning the steam into or out of the sterilizingchamber. The technic for the use of such a sterilizer consists first, ofcourse, in placing the articles to be sterilized in the sterilizing chamber:Heat for about twenty minutes before the steam is turned into the steril-izing
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