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KMID : 0988720090250020125
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Journal of the Korean Academy of Stomatognathic Function and occlusion
2009 Volume.25 No. 2 p.125 ~ p.137
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The Study of Bone Healing Response According to the Various Surfaces of the Implant in the Mandible of the Mature Dog
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Lim Hyun-Pil
Choi Hong-Ran
Yang Hong-So
Vang Mong-Sook
Kim Yong-Hak
Park Sang-Won
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Abstract
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There are many reports that these implant surface treatments may affect to cellular reaction in the surface of implant. This study was done by installing the 8 type implant with the variable surface treatment, used or developed, in the mandible of the mature dog to evaluate how the method of surface treatment of the implant can affect to the bone healing by analyzing histologically and histomorphometrically and find out bone healing appearance periodically after installing implant. By using the 8 type implants which have the different surface treatment, 72 implants were installed on the mandible of 9 mature dogs, and 3 dogs were sacrificed on every 2, 4, 8 weeks. After making bone fragment by cutting and managing, we analyzed histologically, then compared with BIC(Bone to implant contact) for the histomorphometrical analysis. In the result of histological analysis, there was large amount of bone formation in good state on the adjacent area of implant in the 2 weeks testing group. At 4 weeks, although there was general bone formation, the new bone was separated with the basal bone. At 8 weeks, the new bone became matured and connected tightly to the basal bone. There was no difference in the each surface of 8 implants. In the result of histomorphometrical analysis, 2 weeks group had considerably lower value than 4 and 8 weeks group, and there was no difference between 4 and 8 weeks group. There was no difference in the each surface treatment of implants.
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KEYWORD
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bone to implant contact(BIC), implant surface, surface treatment
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