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KMID : 0353320150390010068
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Oral Biology Research
2015 Volume.39 No. 1 p.68 ~ p.73
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Histomorphometric evaluation for osseointegration after particulated-dentin coated implant placement
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You Jae-Seek
Kim Su-Gwan
Oh Ji-Su
Lim Seung-Cheoul
Kim Jae-Sung
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Abstract
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Purpose: The purpose of this study was to evaluate osseointegration after placement of a machined surface implant and particulated-dentin-coated implant in a canine model.
Materials and Methods: Four dogs were randomly assigned to two groups, and each group was further divided into two subgroups 4 and 8 weeks after implantation. The implant was placed under different conditions. Group 1 included the machined surface implant and group 2 included the particulated-dentin-coated implant. Histologic sections and histomorphometric analysis were obtained 4 and 8 weeks after surgery.
Results: Group 2 showed a higher bone-implant contact rate and bone formation rate than group 1 in the 8 week group. In group 2, the 8 week group revealed significant elevation of both bone-implant contact rate and new bone formation rate versus the 4 week group.
Conclusion: According to these results, particulate-dentin-coated implants can provide satisfactory stability and increase the quantity and maturity of new bones in the later stages of implant placement.
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KEYWORD
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Bone to implant contact, Dental implant, New bone formation, Surface
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