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Volume 4 , Issue 2
Summer 1989

Pages 139-146

Dynamic Sterilization of Titanium Implants with Ultraviolet Light

Sarupinder Singh, DDS/Norman G. Schaaf, DDS

PMID: 2599585

All implantable devices must be sterile. However, autoclaves produce poor surface properties that jeopardize the integration process. The application of a modified ultraviolet light source has proven to enhance bioreactivity by controlling surface properties, but it lacks validation of its sterilization capabilities. Forty-eight titanium implants were contaminated with spores of the biological indicator Bacillus stearothermophilus and subjected to dynamic sterilization by ultraviolet light. Forty-seven of the implants were successfully sterilized, as indicated by not producing turbidity in a suitable growth medium. This sterilization technique only requires a 20 second exposure to achieve sterility. (INT J ORAL MAXILLOFAC IMPLANTS 1989;4:139-146.)

Key words: sterilization, titanium implants, ultraviolet light

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