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Dynamic ultraviolet sterilization of different implant types
1Roswell Park Memorial Institute, Buffalo, New York 14263.
The International Journal of Oral & Maxillofacial Implants
|January 1, 1990
Summary
Dynamic ultraviolet sterilization effectively sterilizes dental implants and orthopedic screws in just 16 seconds. This rapid process offers a significant time advantage over traditional sterilization methods for medical biomaterials.
Area of Science:
- Biomedical Engineering
- Microbiology
- Materials Science
Background:
- Sterilization of biomaterials is crucial for preventing infections.
- Current sterilization methods can be time-consuming and may affect material integrity.
- Dynamic ultraviolet (UV) radiation presents a potential alternative sterilization technique.
Purpose of the Study:
- To evaluate the efficacy of dynamic UV radiation for sterilizing dental implants, orthopedic bone screws, and polymer healing caps.
- To determine the required exposure time for effective sterilization using the BUD Ultraviolet Device.
- To compare the sterilization time with existing methods.
Main Methods:
- Biomaterials (dental implants, bone screws, healing caps) were inoculated with Bacillus subtilis and Bacillus stearothermophilus spores.
- Samples were exposed to dynamic UV radiation using a BUD Ultraviolet Device.
- Post-exposure, samples were incubated and subcultured to assess microbial viability.
Main Results:
- A 16-second exposure to dynamic UV radiation was found to be effective in sterilizing all tested biomaterials.
- This sterilization time is substantially shorter than conventional techniques.
- No microbial growth was observed after the specified UV treatment.
Conclusions:
- Dynamic UV radiation is a highly efficient and rapid sterilization method for common medical biomaterials.
- The 16-second protocol offers a significant improvement in sterilization speed.
- This technique holds promise for clinical applications requiring quick turnaround times.