Parirokh Masoud, Asgary Saeed, Eghbal Mohammad Jafar
Department of Endodontics, Dental School, Kerman University of Medical Sciences, Kerman, Iran.
Department of Endodontics, Iranian Center for Endodontic Research, Dental School, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Iran Endod J. 2006 Fall;1(3):81-6. Epub 2006 Oct 1.
This study was carried out to compare the effect of different suture removal time on surgical wound healing.
Twenty-one male albino rabbits were used. Under general and local anesthesia a moucoperiosteal rectangular flap was raised in each animal and then repositioned and sutured. The animals were randomly divided into three experimental groups of seven animals each. In group I and II the sutures were removed after 3 and 5 days respectively and were followed up for 7 and 14 days after surgery. In group III the sutures were removed after 7 days and were followed up for 14 days after surgery. Tissue reactions were observed and recorded using inflammation and gingival indexes at 7 and 14 days after surgery in all three groups. Inflammation and gingival indexes were analyzed by Kurskal Wallis, Firedman and Wilcoxone tests.
Results showed that inflammation index was significantly different with two other groups at the day 7 after surgery (P<0.008). Gingival index in group II was significantly different from two other groups at the day 14 (P<0.028); however, there was no significant difference between group II and III at the same interval.
Based on result of this study, 5 days was recognized to the best time interval for suture removal in comparison with two other time intervals.
本研究旨在比较不同拆线时间对手术伤口愈合的影响。
使用21只雄性白化兔。在全身麻醉和局部麻醉下，为每只动物掀起一个黏膜骨膜矩形瓣，然后复位并缝合。将动物随机分为三个实验组，每组七只。第一组和第二组分别在术后3天和5天拆线，并在术后7天和14天进行随访。第三组在术后7天拆线，并在术后14天进行随访。在所有三组术后7天和14天，使用炎症指数和牙龈指数观察并记录组织反应。采用Kruskal Wallis、Friedman和Wilcoxone检验分析炎症指数和牙龈指数。
结果显示，术后第7天，炎症指数与其他两组有显著差异（P<0.008）。术后第14天，第二组的牙龈指数与其他两组有显著差异（P<0.028）；然而，在同一时间间隔内，第二组和第三组之间没有显著差异。
基于本研究结果，与其他两个时间间隔相比，5天被认为是拆线的最佳时间间隔。
