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:: Volume 4, Issue 3 (9-2026) ::
cofs 2026, 4(3): 0-0 Back to browse issues page
Comparative Analysis of Bacterial Colonization on Chromic and Polyglycolic Acid Sutures in Oral Surgery for Impacted Wisdom Teeth
Mohammadreza Amin , Mehdi Abrishami * , Arezou Tahmourespour , Asghar Nazer
Department of Oral & Maxillofacial Surgery, Faculty of Dentistry, Isf.C, Islamic Azad University, Isfahan, Iran
Abstract:   (460 Views)
Background: Sutures aid in tissue repair and surgical success by supporting wound closure; however, infections often occur near incision lines, particularly around suture areas. The aim of this study was to compare the bacterial colonization  counts of chromic and Polyglycolic Acid (PGA) sutures in the context of oral surgery.
Materials & Methods: This randomized split-mouth clinical study with laboratory microbiological analysis included 56 patients aged 17–20 years who underwent bilateral surgical extraction of fully impacted mandibular third molars. Each patient received chromic catgut sutures at one surgical site and PGA sutures at the contralateral site, with the allocation of suture materials to the right and left sides determined using a computer-generated randomization sequence. Sutures were removed 1 week after surgery and subjected to aerobic and anaerobic bacterial culture. Mean colony counts were compared between the two suture materials using repeated-measures analysis of variance. (α=0.05)
Results: PGA sutures showed significantly lower bacterial colonization. Mean aerobic colony counts were 3.93 × 10^5 for PGA versus 6.54 × 10^5 for chromic sutures (P = 0.00002). Anaerobic colony counts were 1.98 × 10^5 for PGA versus 3.35 × 10^5 for chromic sutures (P = 0.003). Combined aerobic-anaerobic counts were 5.91 × 10^5 for PGA versus 9.90 × 10^5 for chromic sutures (P =0.0001).

Conclusion: In this study, PGA sutures showed significantly lower levels of aerobic, anaerobic, and total bacterial colony counts compared to chromic catgut sutures. However, further research is needed to confirm the results clinically.


 
     
Type of Study: Research | Subject: Oral & Maxillofacial Surgery
Received: 2026/06/7 | Accepted: 2026/08/25 | Published: 2026/09/16
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Amin M, Abrishami M, Tahmourespour A, Nazer A. Comparative Analysis of Bacterial Colonization on Chromic and Polyglycolic Acid Sutures in Oral Surgery for Impacted Wisdom Teeth. cofs 2026; 4 (3)
URL: http://cofs.khuisf.ac.ir/article-1-160-en.html
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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
Volume 4, Issue 3 (9-2026) Back to browse issues page
Contemporary Orofacial Science Contemporary Orofacial Science
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