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Sterilizing elastomeric chains without losing mechanical properties. Is it possible?

Matheus Melo Pithon1, Caio Souza Ferraz1, Francine Cristina Silva Rosa2

  • 1Universidade Estadual do Sudoeste da Bahia, Jequié, Bahia, Brazil.

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Summary
This summary is machine-generated.

Sterilization methods, including alcohol, autoclave, and glutaraldehyde, did not negatively impact the mechanical properties of orthodontic elastomeric chains. Ultraviolet (UV) treatment was less effective for sterilization.

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Area of Science:

  • Biomaterials Science
  • Orthodontics
  • Infection Control

Background:

  • Orthodontic elastomeric chains are susceptible to microbial contamination.
  • Effective sterilization and disinfection are crucial for patient safety and treatment efficacy.
  • Understanding the impact of various methods on material integrity is essential.

Purpose of the Study:

  • To evaluate the effects of different sterilization/disinfection techniques on the mechanical properties of orthodontic elastomeric chains.
  • To assess the antimicrobial efficacy of these methods against Streptococcus mutans.

Main Methods:

  • Elastomeric chain segments were subjected to gamma ray sterilization (Co60).
  • Chains were contaminated with Streptococcus mutans and then treated with 70% alcohol, autoclave, UV, peracetic acid, or glutaraldehyde.
  • Antimicrobial effectiveness (CFU/mL) and mechanical properties (elastic strength) were measured.

Main Results:

  • Ultraviolet treatment showed incomplete sterilization effectiveness.
  • No statistically significant loss in the mechanical properties of the elastomeric chains was observed across all tested sterilization/disinfection methods (p > 0.05).

Conclusions:

  • Standard sterilization and disinfection procedures do not compromise the mechanical integrity of orthodontic elastomeric chains.
  • Ensuring biological control through these methods is compatible with maintaining material performance.