Onlay bone grafting of the mandible after periosteal expansion with an osmotic tissue expander: an experimental study in rabbits

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Onlay bone grafting of the mandible after periosteal expansion with an osmotic tissue expander: an experimental study in rabbits

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dc.contributor.author Abrahamssom, Peter
dc.contributor.author Isaksson, Sten
dc.contributor.author Gordh, Monica
dc.contributor.author Andersson, Gunilla
dc.date.accessioned 2011-01-13T15:33:52Z
dc.date.available 2011-01-13T15:33:52Z
dc.date.issued 2010
dc.identifier.issn 1600-0501 en
dc.identifier.uri http://hdl.handle.net/2043/11497
dc.description.abstract Abstract Objectives: To evaluate the space-maintaining capacity of a titanium mesh or a bioresorbable mesh after periosteal expansion and to assess bone formation under a titanium mesh or a bioresorbable mesh on the lateral border of the mandible by qualitative and quantitative histological analysis. Material and methods: In 13 rabbits, a self-inflatable soft tissue expander was placed intraorally, bilaterally under the mandibular periosteum via an extra oral approach. After 2 weeks, the expanders were removed and a particulated onlay bone graft was placed and covered by a titanium mesh or a bioresorbable mesh. After 3 months, the animals were sacrificed and specimens were collected for histology. Results: The osmotic soft tissue expander created a subperiosteal pocket and a ridge of new bone had formed at the edges of the expanded periosteum in all sites. After the healing period of 3 months, soft tissue dehiscence was recorded in two of the sites with bioresorbable meshes. The mean bone fill was 65% under the titanium mesh and 85% under the bioresorbable mesh (P<0.05). There was no significant difference between the titanium mesh and the bioresorbable mesh regarding the height of the meshes, mesh area and mineralized bone area. Scanning electron microscopy shows that new bone is growing in direct contact with the resorbable mesh and the titanium mesh. Conclusion: This study confirms that an osmotic soft tissue expander creates a surplus of periosteum and soft tissue and that new bone can be generated under a titanium mesh or bioresorbable mesh. en
dc.format.extent 7
dc.language.iso eng en
dc.subject animal model en
dc.subject bioresorbable mesh en
dc.subject bone grafting en
dc.subject bone en
dc.subject oral en
dc.subject self-inflatable expander en
dc.subject soft tissue expansion en
dc.subject titanium micromesh en
dc.subject.classification Medicine en
dc.title Onlay bone grafting of the mandible after periosteal expansion with an osmotic tissue expander: an experimental study in rabbits en
dc.type Article, peer reviewed scientific en
dc.contributor.department Malmö University. Faculty of Odontology
dc.identifier.doi 10.1111/j.1600-0501.2010.01967.x en
dc.subject.srsc Research Subject Categories::ODONTOLOGY::Surgical research en
dc.relation.ispartofpublication Clinical Oral Implants Research;12 en
dc.relation.ispartofpublicationvolume 21 en
dc.format.ePage 1410
dc.format.sPage 1404
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