Which material is polydioxanone and what are its characteristics?

• A. Polygalactin 910, Absorbable, synthetic multifilament
• B. Polydioxanone, absorbable synthetic monofilament
• C. Nylon, Non-absorbable synthetic monofilament
• D. Mersilk, Non-absorbable natural multifilament

Answer: (B)

Polydioxanone is a synthetic, absorbable monofilament suture. It’s made from poly(p-dioxanone) and is designed to retain adequate tensile strength for a longer period than many other absorbables, with gradual hydrolytic breakdown and complete absorption over several months (roughly half a year or more). Its monofilament form reduces tissue drag and minimizes bacterial wicking, making it suitable for tissues that require prolonged support but with lower infection risk. The other options describe different materials: Polygalactin 910 is absorbable but braided (multifilament); Nylon is non-absorbable and synthetic monofilament; Mersilk is non-absorbable and natural multifilament. Thus, the material described as polydioxanone corresponds to an absorbable synthetic monofilament.