Histological Examination of the Effects of Low-Level Laser Therapy on Healing of Gingiva After Gingivectomy in Rats
| Autor: | Sennur Ketani, Ahmet Da, Ela Tules Firat, Berna Ersöz Kanay, Ahmet Gunay, M. Aydın Ketani |
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| Rok vydání: | 2013 |
| Předmět: | |
| Zdroj: | Biotechnology & Biotechnological Equipment. 27:4137-4140 |
| ISSN: | 1314-3530 1310-2818 |
| Popis: | Lasers in dentistry find an increasing usage in recent years. The aim of this study was to assess the effects of low-level laser therapy (LLLT) on healing of gingiva after gingivectomy in rats. Forty-two male Wistar rats, 250 g to 300 g in weight, were used in this study. Gingivectomy was made to gingiva of mandibular incisors in all rats. The rats were divided into: group 1 (control group, non-irridated), and group 2 (experimental group, irridation-treated). After gingivectomy, a low-level laser therapy (LLLT) was applied to the side of the operation area. Treatment using a GaAlAs laser at a wavelength of 940 nm and a dose of 10 J/cm2 began after surgery and was repeated on the 2nd, 4th and 6th day post-surgery. Seven animals from each group were sacrificed on the 7th, 14th and 21st day after surgery. Biopsies were performed for histological analysis. In the laser-treated grup, the histopathological findings revealed increased mitotic activity of fibroblasts and collogen synthesis on the 7th day,... |
| Databáze: | OpenAIRE |
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