Abstract
The sterilization procedures used by oral surgeons in Norway have been surveyed. In 22 of the 25 oral surgical clinics controlled, instruments were sterilized by saturated steam at 121°Cor 134°C; 3 used a dry heat oven sterilizer; dry heat and/or gas sterilization procedures supplemented steam sterilization in 17 clinics. When these sterilization procedures were monitored with biological indicators, 5 autoclaves (challenged with B, stearothermophilus spores), 2 dry heat sterilizers ( B. subtilis spores), and all the Harvey Chemiclaves tested ( B. subtilis spores) did not inactivate the bacterial spores. A biological monitoring system that fulfills the valid requirements for sterilization procedures given by the national health authorities and that is reliable, convenient, economical and self-contained should be used routinely in oral surgery clinics.
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