What type of sterilisation CANNOT be used to sterilise suture materials?

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Multiple Choice

What type of sterilisation CANNOT be used to sterilise suture materials?

Explanation:
Sterilisation methods for sutures must preserve the material’s strength and avoid harmful residues. Liquid chemical sterilants can leave toxic residues and may weaken or degrade some suture fibers or coatings, potentially causing tissue irritation or reduced knot security. Because of this, chemical sterilisation is not used for sutures. In contrast, steam and dry heat rely on heat to kill microorganisms without leaving chemical residues, while ethylene oxide provides effective low-temperature sterilisation for heat‑sensitive sutures, with proper aeration to remove any residues.

Sterilisation methods for sutures must preserve the material’s strength and avoid harmful residues. Liquid chemical sterilants can leave toxic residues and may weaken or degrade some suture fibers or coatings, potentially causing tissue irritation or reduced knot security. Because of this, chemical sterilisation is not used for sutures. In contrast, steam and dry heat rely on heat to kill microorganisms without leaving chemical residues, while ethylene oxide provides effective low-temperature sterilisation for heat‑sensitive sutures, with proper aeration to remove any residues.

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