Abstract
We have investigated the feasibility of using a new curvilinear distractor to repair
mandibular defects in 6 mature male dogs. A mandibular defect was created by an oblique
osteotomy between the distal planes of the bilateral second premolars, and a transport
disc 10 mm wide was made. After a 7-day latency period, distraction was activated at 0.5 mm/12 h and consolidation lasted for 6 or 12 weeks. Three dogs were killed after 6 and 12
weeks’ consolidation for gross, radiographic, and histological observations to be
made. Curvilinear distraction osteogenesis was successful in 5/6 animals. At both
time points smooth curved bone had been restored in the distracted areas, and radiographic
and histological examination showed that the generated bone was similar to normal
bone after 12 weeks’ consolidation. These results suggest that the curvilinear distractor
could complete curvilinear distraction osteogenesis in dogs’ mandibles.
Keywords
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Article info
Publication history
Published online: April 07, 2011
Accepted:
February 1,
2011
Identification
Copyright
© 2011 The British Association of Oral and Maxillofacial Surgeons. Published by Elsevier Inc. All rights reserved.
