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Vertical Bone Augmentation Using Ring Technique with Three Different Materials in the Sheep Mandible Bone
Malmö University, Faculty of Odontology (OD).
Malmö University, Faculty of Odontology (OD).
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2018 (English)In: International Journal of Oral & Maxillofacial Implants, ISSN 0882-2786, E-ISSN 1942-4434, Vol. 33, no 5, p. 1057-1063Article in journal (Refereed) Published
Abstract [en]

Purpose: The purpose of this study was to examine the volumetric alterations and osseointegration properties in the augmented area of the ring technique using different types of bone graft material in sheep mandible bone. Materials and Methods: Three different materials (columnar forms, 7-mm diameter, 3-mm height) were stabilized using dental implants with a turned surface in the mandible bone of Finnish Dorset cross-bred sheep: group A, autogenous bone; group B, bovine bone; group C, biphasic bone substitute. Animals were euthanized after 5 weeks (N = 6). Three-dimensional image data by digital oral scanner were taken at the surgery and sacrifice, and the volume alteration of the material was calculated. The bone samples were fixed in formalin and dehydrated in ethanol. Resin-embedded samples were subjected to non-decalcified ground sectioning, and histologic and histomorphometric analysis (bone and material area alteration, bone-to-implant contact [BIC]) were done. Results: In three-dimensional (3D) image analysis, group A showed a statistically higher percentage of remaining materials compared with groups B and C. The histologic observation showed no new bone formations around the implants in all groups, especially at the maxillary site of the implant in the augmented area. In histomorphometric analysis, group A showed a statistically higher percentage of bone area (BA) compared with groups B and C; however, in all groups, bone-to-implant contact (BIC) showed low values, and there were no statistical differences between groups. Conclusion: The results of this study suggested that the autogenous bone maintained bone volume around the dental implant using the ring technique, and the impact of surface properties was of some importance; osseointegration with the turned surface in the augmented area showed low BIC values in all groups.

Place, publisher, year, edition, pages
Quintessence , 2018. Vol. 33, no 5, p. 1057-1063
Keywords [en]
autogenous bone, biphasic bone substitute, bone regeneration, bovine bone, dental implant, ring technique, Alveolar Ridge Augmentation, Animals, Biological Products, Bone Regeneration, Bone Substitutes, Cattle, Dental Implantation, Endosseous, Dental Implants, Imaging, Three-Dimensional, Mandible, Maxilla, Minerals, Osseointegration, Sheep, Surface Properties, Titanium
National Category
Dentistry
Identifiers
URN: urn:nbn:se:mau:diva-15921DOI: 10.11607/jomi.6278ISI: 000456081800016PubMedID: 30231092Scopus ID: 2-s2.0-85054656198Local ID: 26903OAI: oai:DiVA.org:mau-15921DiVA, id: diva2:1419443
Available from: 2020-03-30 Created: 2020-03-30 Last updated: 2024-04-08Bibliographically approved

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Jinno, YoheiJimbo, RyoBecktor, Jonas P

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