Journal
JOURNAL OF ORAL IMPLANTOLOGY
Volume 43, Issue 6, Pages 447-455Publisher
ALLEN PRESS INC
DOI: 10.1563/aaid-joi-D-17-00108
Keywords
animal study; bone formation; autologous bone graft; bone healing; histometry; morphometry; glue; adhesive; cyanoacrylate
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Funding
- FAPESP [2011/19479-9]
- ARDEC Academy, Ariminum Odontologica srl, Rimini, Italy
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The aim of the present split-mouth (split-plot) study was to describe the sequential healing in the interface between autologous bone grafts and recipient parent bone, fixed using an n-butyl-2-cyanoacrylate adhesive with or without an additional titanium fixation screw. Bone grafts were collected from the calvaria and fixed to the lateral aspect of the mandible in 24 rabbits. The cortical layers of the recipient sites were perforated, and the grafts were randomly fixed using an n-butyl-2-cyanocrylate adhesive, either alone or in conjunction with a 1.5 mm x 6.0 mm titanium fixation screw. The animals were sacrificed after 3, 7, 20, and 40 days, and histomorphometric evaluations of the interface between graft and parent bone were performed. Only 2 of 6 grafts in each group were partially incorporated to the parent bone after 40 days of healing. The remaining grafts were separated from the parent bone by adhesive and connective tissue. It was concluded that the use of n-butyl-2-cyanoacrylate as fixation of an autologous bone graft to the lateral aspect of the mandible was able to maintain the fixation over time but did not incorporate the graft to the recipient sites. Use of fixation screws did not improve the healing.
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