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Volume 5 , Issue 2
Summer 1990

Pages 117-125

Dynamic UItraviolet Sterilization of Different Implant Types

Armando A. Delgado, DMD/Norman G. Schaaf, DDS

PMID: 2133336

This paper investigates the use of the dynamic ultraviolet sterilization process with various dental implants, stainless steel orthopedic cortical bone screws, and polysulfone polymer healing caps. These biomaterials were inoculated with the spores of Bacillus subtilis and Bacillus stearothermophilus. They were then exposed to dynamic ultraviolet radiation in the chamber of a BUD Ultraviolet Device. Samples were incubated in trypticase soy broth at 37C and 56C, and they were subcultured onto an enriched agar medium. Results indicate that 16 seconds of dynamic ultraviolet radiation is effective in sterilizing these materials. This is significantly less time than other sterilization techniques presently used. (INT ORAL MAXILLOFAC IMPLANTS 1990;5:117-125.)

Key words: cortical bone screws, dental implants, polysulfone polymers, sterilization, ultraviolet light

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