Effects of periodontal dressings on fibroblasts and gingival wound healing in dogs

Petelin, M. and Pavlica, Z. and Batista, Urška and Štiblar-Martinčič, Draga and Skalerič, U. (2004) Effects of periodontal dressings on fibroblasts and gingival wound healing in dogs. Acta Veterinaria Hungarica, 52 (1). pp. 33-46. ISSN 0236-6290

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Abstract

In the present study the effects of different commercially available periodontal dressings (Peripac, Barricaid, Fittydent, Reso-Pack and Myzotect-tincture) on fibroblast (V-79-379A) proliferation and survival were tested in vitro. Barricaid, Fittydent and Reso-Pack periodontal dressings have only small inhibitory effects on cell proliferation (83.3 ± 9%, 71.6 ± 8.7% and 87.3 ± 4.5% of control after 48 h, respectively) in comparison with the great inhibitory effect of Myzotect-tincture (2.9 ± 0.1%) and Peripac (33.7 ± 11.4%) (p < 0.001). Barricaid was the only dressing where 41% of cells survived after exposure, while the other four dressings killed all the cells in 6 days. In addition, the healing of artificially created gingival wounds covered by Barricaid and Reso-Pack was followed for 7 days in 12 Beagle dogs. Histological evaluation of gingival tissue demonstrated that wounds covered by Reso-Pack showed the best epithelisation and vascularity and the least inflammatory reaction in first 4days. Later the observed parameters were similar with those of wounds covered by Barricaid or without pack. The present results indicate that Peripac periodontal dressing and Myzotect-tincture showed the highest cytotoxicity to fibroblasts in vitro. From the histological observations in Beagle dogs Reso-Pack has been found to be the most suitable dressing, followed by Barricaid.

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