Histomorphometric evaluation for osseointegration after particulated-dentin coated implant placement
유재식, 김수관, 오지수, 임성철, 김재성,
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유재식 ( You Jae-Seek ) - Chosun University School of Dentistry Department of Oral and Maxillofacial Surgery
김수관 ( Kim Su-Gwan ) - Chosun University School of Dentistry Department of Oral and Maxillofacial Surgery
오지수 ( Oh Ji-Su ) - Chosun University School of Dentistry Department of Oral and Maxillofacial Surgery
임성철 ( Lim Seung-Cheoul ) - Chosun University School of Medicine Department of Pathology
김재성 ( Kim Jae-Sung ) - Chosun University College of Dentistry Pre-Dentistry
KMID : 0353320150390010068
Abstract
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.
키워드
Bone to implant contact; Dental implant; New bone formation; Surface
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