• Aysegul Erten Taysi, Pinar Ercal, and Soner Sismanoglu.
• Faculty of Dentistry, Department of Oral and Maxillofacial Surgery, Altinbas University, 34147, Istanbul, Turkey. aysegul.erten@altinbas.edu.tr.
• Clin Oral Investig. 2021 Nov 1; 25 (11): 6393-6401.

ObjectiveThe first objective of the present study was to evaluate the tensile strength and elongation to failure of commonly used suture materials in oral surgery. As a secondary objective, it was aimed to make a comparison between two different suture techniques within the same suture materials.Materials And MethodsEight different suture materials with 3-0 gauge (silk, polytetrafluoroethylene, polypropylene, polyester, polyglactin 910, polyglycolic acid, poliglecaprone 25, polydioxanone) underwent tensile testing for maximum load of failure and elongation rate. All strands were tied by one investigator on the experimental platform using the surgeon's knot plus additional square knots in both simple suture and horizontal mattress suture techniques. Prepared specimens were examined using a microtensile testing device before (baseline) and after 3, 7, and 14 days' immersion in artificial saliva.ResultsStatistical analysis of the current study revealed that the tensile strength for polyglycolic acid, polyglactin 910, polypropylene, and silk sutures was significantly lower at day 3 than at the baseline. By day 14, polyglycolic acid and polyglactin 910 showed a significant reduction in tensile strength for both techniques. While polydioxanone obtained the highest tensile strength and elongation values in both techniques, polytetrafluoroethylene showed the most stable tensile strength even with the lowest value. Tensile strength in simple suture techniques was almost twice than that of horizontal mattress suture technique for each specimen.ConclusionsPolyglycolic acid and polyglactin 910 were considerably sensitive to immersion time. Polydioxanone demonstrated optimum performance during each immersion period among the tested materials, whereas polytetrafluoroethylene was the most stable.Clinical RelevanceThe selection of the most proper suture material remains challenging for clinicians. The present study provides relevant information for clinicians to guide them in their choice of the suitable material. In this context, clinicians can benefit from the use of polydioxanone for its high tensile strength regardless of the suture technique used, whereas polytetrafluoroethylene shows a long-term stability. The strength and stability differences among suture materials and techniques need to be considered before making an informed decision.© 2021. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.

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