Effect of fibrin adhesive on healing of full-thickness wounds in the rat's hard palate

ABSTRACT

fibrin adhesive (Beriplast) on healing of full-thickness wounds in the rat's hard palate. Twenty Spraque-Dawley strain white male rats, each weighing 250~300 gm were used. Creation of full-thickness wounds of 4 X 4 mm in size were performed on the hard palate. Beriplast, a wound dressing material, was applied immediately in the experimental group, but not applied in the control group. All wounds were protected with palatal resin splints. The animals were sacrificed on the 2nd, 4th, 7th, 14th, and 28th day after the operation for macroscopic and microscopic examinations. Results obtained were as follows; 1. On the 7th day after the operation, epithelial proliferation was greater in the experimental group than that in the control group. 2. The inflammatory reaction of the experimental group was less than the control group on the 2nd and 4th day after the operation. Beriplast was resorbed on the 7th day after the operation. 3. In the control group, the epithelial proliferation occurred from the 7th to the 14th day after the operation, and in the experimental group, epithelial proliferation occurred from the 4th day after the operation. 4. On the 14th and 28th day after the operation, there was no prominent difference between the two groups in histological findings. These results suggest that the use of fibrin adhesive (Beriplast) as a palatal wound dressing results in greater epithelial proliferation and less inflammation in the early stage of wound healing.