Differentiate absorbable and nonabsorbable sutures with two examples each and typical uses.

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Sutures are distinguished by whether they are absorbed by the body over time or left in place long term. Absorbable sutures are designed to lose strength and be broken down, so they’re ideal for internal tissues that heal relatively quickly and don’t require future removal. Two common absorbable options are Vicryl and PDS, which are used for closing internal layers such as subcutaneous tissue, fascia, or hollow organs where a permanent stitch isn’t needed.

Nonabsorbable sutures stay in place longer and may be removed after healing or left permanently if removal isn’t feasible. Silk and Nylon are typical examples; Silk can be used for certain closures or ligatures where eventual removal or long-term presence is acceptable, while Nylon provides durable, relatively inert support for skin closures or implants.

Thus, absorbables like Vicryl and PDS are chosen for internal tissues that heal and don’t need a lasting stitch, whereas nonabsorbables like Silk and Nylon are chosen for skin or implants where longer-term strength is required.