Vertical Bone Augmentation Using Ring Technique with Three Different Materials in the Sheep Mandible Bone

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Vertical Bone Augmentation Using Ring Technique with Three Different Materials in the Sheep Mandible Bone

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Publication Article, peer reviewed scientific
Title Vertical Bone Augmentation Using Ring Technique with Three Different Materials in the Sheep Mandible Bone
Author Jinno, Yohei ; Jimbo, Ryo ; Lindström, Martin ; Sawase, Takashi ; Lilin, Thomas ; Becktor, Jonas P
Date 2018
English abstract
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.
DOI https://doi.org/10.11607/jomi.6278 (link to publisher's fulltext.)
Publisher Quintessence
Host/Issue The International journal of oral & maxillofacial implants;5
Volume 33
ISSN 1942-4434
Language eng (iso)
Subject autogenous bone
biphasic bone substitute
bone regeneration
bovine bone
dental implant
ring technique
Medicine
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
Research Subject Categories::ODONTOLOGY
Note Int J Oral Maxillofac Implants
Handle http://hdl.handle.net/2043/26903 Permalink to this page
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