Abstract
Articular cartilage is a connective tissue biomechanically, so the absence of blood vessels, nerves, lymph flow and low metabolism causes its slow and delayed regeneration. Therefore, it is very important to use the correct treatment methods for cartilage healing. Рurpose of study: Investigating the effect of plasma jet on rabbit knee cartilage regeneration. The present research was conducted on 12 New Zealand white adult male rabbits weighing approximately 2.0-2.5 kg. In order to prepare the knee cartilage, its debridement was sanitized by chondrectomy with scraping method in all three treatment groups. After three weeks of treatment, the rabbits were euthanized and the amount of cartilage regeneration was recorded macroscopically and by recording images, and samples were fixed in 10% formalin for histopathology test. The commonly used in pathology laboratories staining method was chosen. Observation and measurement of articular cartilage thickness was done with eye graticule. And at the end, the obtained data were analyzed statistically. The results obtained in the present study indicated that the use of plasma jet method improves the cartilage tissue in such a way that by examining the histopathological sections, it was found that the articular cartilage in the plasma jet group caused the formation of fibrocartilage tissue in the place of injury. Plasma jet has a positive effect on rabbit cartilage regeneration.
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