Clinical and electron microscope comparison of silk sutures and n‐butyl‐2‐cyanoacrylate in human musosa

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Abstract
The use of tissue adhesives as an alternative to or replacement for sutures in wound closure has long been an area of interest. One of these tissue adhesives is a cyanoacrylate. In 15 patients, who underwent root resections of the upper incisors on both sides, the incision lines were closed with silk sutures on one side and by n‐butyl‐2‐cyanoacrylate on the other side of the frenum. Clinical comparison was made on the 1st, 2nd, 3rd, 7th, 14th and 21st postoperative days. On the seventh postoperative day following the removal of sutures and the coating, small punch biopsies were obtained from n‐butyl‐2‐cyanoacrylate treated and sutured sides. The tissue specimens were examined under transmission electron microscope. Clinical observations revealed that on the third and seventh postoperative days epithelialization was better on the sides treated with n‐butyl‐2‐cyanoacrylate. On the twenty‐first postoperative day it was observed that the scar formation was significantly more marked and there was more local inflammation during the healing period on the sutured side. Electron microscopic observations of both tissue specimens revealed normal ultrastructural morphology.

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