J Periodontal Implant Sci.  2013 Jun;43(3):130-135. 10.5051/jpis.2013.43.3.130.

Evaluation of tensile strength of surgical synthetic absorbable suture materials: an in vitro study

• Khiste SV
• Ranganath
• Nichani AS

• KMID: 1798486
• DOI: http://doi.org/10.5051/jpis.2013.43.3.130

Abstract

PURPOSE
The purpose of this study was to evaluate the tensile strength of surgical synthetic absorbable sutures over a period of 14 days under simulated oral conditions.
METHODS
Three suture materials (polyglycolic acid [PGA], polyglactin [PG] 910, and poly (glycolide-co-small je, Ukrainian-caprolactone) [PGC]) were used in 4-0 and 5-0 gauges. 210 suture samples (35 of each material and gauge) were used. All of the samples were tested preimmersion and 1 hour and 1, 3, 7, 10, and 14 days postimmersion. The tensile strength of each suture material and gauge was assessed. The point of breakage and the resorption pattern of the sutures were also assessed.
RESULTS
During the first 24 hours of immersion, all 4-0 and 5-0 samples of PGA, PG 910, and PGC maintained their initial tensile strength. At baseline (preimmersion), there was a statistically significant (P<0.001) difference in the tensile strengths between the 4-0 and 5-0 gauge of PGA, PG 910, and PGC. PGA 4-0 showed the highest tensile strength until day 10. At 7 days, all the 4-0 sutures of the three materials had maintained their tensile strength with PGA 4-0 having significantly greater (P=0.003) tensile strength compared to PG.
CONCLUSIONS
4-0 sutures are stronger and have greater tensile strength than 5-0 sutures. The PGA 4-0 suture showed the highest tensile strength at the end of day 10.

Keyword

Polyglactin 910; Polyglycolic acid; Sutures; Tensile strength

MeSH Terms

Immersion
Polyglactin 910
Polyglycolic Acid
Prostaglandins A
Sutures
Tensile Strength
Polyglactin 910
Polyglycolic Acid
Prostaglandins A

Figure

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  Figure 1 Line graph showing a comparison of the decrease in tensile strength in three materials of the same gauge (4-0). PGA: polyglycolic acid, PG: polyglactin, PGC: poly (glycolide-co-є-caprolactone).

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  Figure 2 Line graph showing comparison of the decrease in tensile strength in three materials of the same gauge (5-0). PGA: polyglycolic acid, PG: polyglactin, PGC: poly (glycolide-co-є-caprolactone).

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