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Oral & Craniofacial Tissue Engineering

Edited by Ole T. Jensen, DDS, MS

Official Journal of the Tissue Engineering Society, the Chinese Society of Oral Biomedicine, and the Japanese Society of Regenerative Medicine

ISSN (print) 2158-3722 • ISSN (online) 2158-3706

Oral & Craniofacial Tissue Engineering
Summer 2012
Volume 2 , Issue 2

Share Abstract:

Island Osteoperiosteal Flap Vitality when Isolated from Basal Bone by Silicone Interposition: An Experimental Study in Rabbit Tibia

Amir Laviv, DMD/Jason Ringeman, DDS, MD/Meir Debecco, DMD/Ole T. Jensen, DDS, MS/Nardy Casap, DDS, MD

Pages: 122128

Purpose: This study sought to confirm, through histologic evaluation, the vitality and viability of the island osteoperiosteal flap (i-flap) in a rabbit tibia model. Materials and Methods: In four rabbits, an osteotomy was performed on the tibial aspect of the right leg. A bone flap was raised, but the periosteal attachment was kept intact. The free-floating i-flap was separated from the rest of the bone by a silicone sheet. The rabbits were to be sacrificed after 1, 2, 4, and 8 weeks and histologic samples examined. Results: All surgeries were accomplished successfully; however, three animals showed fractured tibiae within a few days after surgery and were sacrificed immediately after the fractures were discovered. The fourth rabbit was sacrificed at 4 weeks. Histologic specimens showed vital new bone in the i-flap area and signs of remodeling in the transition zone and the original basal bone. Conclusion: The i-flap remained vital. This suggests potential for use in bone augmentation strategies, particularly for the alveolar split procedure. ORAL CRANIOFAC TISSUE ENG 2012;2:122128

Key words: alveolar split osteotomy, bone augmentation, island osteoperiosteal flap, rabbit model, tibia

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