Abstract
BackgroundTo compare the different resorption patterns between resorbable membrane barrier and periosteum after iliac block bone grafting radiographically and histologically.MethodsEighteen mature male rabbits weighing from 2.0 to 2.5 kg were used. The recipient site was the rabbit skull, and autogenous iliac bone was used as the grafting material. The harvested iliac block bones were divided in the following groups: autogenous iliac block bone with preservation of the periosteum (the periosteum group), autogenous iliac block bone covered with a resorbable collagen membrane (Biomesh®, Samyang Co, Korea) after removing the periosteum (the collagen membrane group), and autogenous iliac block bones with removal of the periosteum (the control group). In each experimental group, periosteum or resorbable collagen membrane of the donor site was fixed directed to the periosteum of the recipient site. The specimens were examined macroscopically, radiographically, histologically, and histomorphometrically at every 2, 4, and 8 weeks.ResultsAll groups presented excellent bone graft healing state without inflammation, dehiscence, or displacement. The radiolucency increased from mild to moderate in all groups over the experiment. The mean thickness of the upper end of the cortical iliac bone graft was statistically significantly different between the control group and the periosteum group, between the four-week and eight-week control group, and between the four- week and eight-week periosteum group (p & 0.05).ConclusionThis study suggests that both the periosteum and the resorbable collagen membrane may help to prevent soft tissue infiltration into the bone graft and to reduce bone graft resorption compared to block graft alone.
Highlights
Several alternatives for bones, such as autograft, xenograft, and other bone materials are used to treat bone destruction or bone defects caused by various diseases
The harvested iliac block bones were divided in the following groups: autogenous iliac block bone with preservation of the periosteum, autogenous iliac block bone covered with a resorbable collagen membrane (Biomesh®, Samyang Co, Korea) after removing the periosteum, and autogenous iliac block bones with removal of the periosteum
The iliac bone grafted to the skull was well maintained under the lower portion of the periosteum in the control group, periosteum group, and collagen membrane group
Summary
Several alternatives for bones, such as autograft, xenograft, and other bone materials are used to treat bone destruction or bone defects caused by various diseases. Dental clinics generally perform implant installation procedures to restore the masticatory function, to increase the mean life expectancy, and to improve the quality of life. At this time, various studies are being performed to increase the volume of defective alveolar bones. Autogenous bone materials induce osteogenesis, osteoinduction, and osteoconduction. Autogenous bone graft remains the most effective grafting material because it provides the three elements required for bone regeneration: osteoconduction, osteoinduction, and osteogenic cells which can regenerate new bone for oneself. To compare the different resorption patterns between resorbable membrane barrier and periosteum after iliac block bone grafting radiographically and histologically
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