Two Korean short-haired cats were admitted to the Veterinary Medical Teaching Hospital, Chonnam National University, with severe lower lip avulsion. In the first case, the treatment was performed using the tension-free suture technique with rubber tube stents. The second case was treated using the tension-free suture technique with rubber tube stents for lip avulsion and using the cerclage wiring technique for alveolar fracture. The teeth around the alveolar fracture were extracted and bone graft and collagen membrane were applied at the alveolar fracture site to stabilize the mandibular alveolar fracture. Thereafter, the cerclage wire was placed circumferentially around the mandible. In both cases, normal function of the oral cavity was successfully recovered by repairing the anatomic abnormality. In conclusion, tension-free suture technique can be a treatment option for bilateral lower lip avulsion in cats.
Background/Aim: In Korea, small breed dogs including Maltese, Pomeranians, and Yorkshire Terriers are most common. These small dogs are at increased risk for the development of delayed union or nonunion fractures, particularly when the fracture occurs at a site with insufficient surrounded soft tissue such as the ulna and radius. To treat failed bone fracture healing, stable fixation of the fracture and implantation of bone grafts are needed. Among the various types of bone grafts, autograft is considered to be the gold standard. However, the amount of autograft available for harvesting in small dogs is limited. In this study, we report on a novel canine cancellous allograft (C350C) that was prepared using chemicals and low heat treatment (350˚C). Patients and Methods: We applied C350C in two cases with failed bone fracture healing. Due to the poor osteoinductive capabilities of C350C, we also used recombinant human bone morphogenetic protein-2 (rhBMP-2) and Matrigel as osteoinductive and delivery agents, respectively. Results: In both cases, the fractures healed successfully. Conclusion: C350C can be used as a bone graft material that could replace autografts in cases with failed bone fracture healing.
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