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KMID : 0362420040420060671
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Journal of Korean Academy of Prosthodontics
2004 Volume.42 No. 6 p.671 ~ p.678
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BONE RESPONSE OF THREE DIFFERENT SURFACE IMPLANTS: HISTOMORPHOMETRIC AND RESONANCE FREQUENCY ANALYSIS IN DOGS
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Song Woo-Seok
Kim Chang-Whe
Jang Kyung-Soo
Lim Young-Jun
Kim Yeong-Su
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Abstract
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Statement of problem. Reducing treatment time in implant dentistry is a matter of main concern. There are so many factors affecting the success rate of immediate or early loaded implant for the initial bone response. The especially microscopic properties of implant surfaces playa major role in the osseous healing of dental implant.
Purpose. The aims of this study were to perform a histologic and histomorphometric comparison of the healing characteristics anodically roughened surface, HA coated surface and RBM surface implant, and to compare of ISQ values measured by OsstellTM for resonance frequency analysis in dogs mandible during 2 weeks.
Material and method. Bone blocks from 2 dogs were caught after covered healing for 0 day(2 h); Group I, 1 week; Group II and 2 weeks; Group III. One longitudinal section was obtained for each implant and stained with hematoxylin and eosin. Histomorphometric analysis was done with Kappa Imagebase system to calculate bone-to-implant contact and bone volumes inside the threads. ISQ values were measured in every time of surgery schedule.
Conclusion. The experiment revealed that: 1. The percentages of bone-to-implant contact on the fixture in each group were not significantly different(P > 0.05). 2. The percentages of bone area inside the threads on the fixture in each group were not significantly different(P > 0.05). 3. The ISQ level showed clinical stability of each fixture during 2 weeks(all ISQ level ≥71 ).
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KEYWORD
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Surface, Histomorphometry, ISQ, RFA, Anodic oxidation, RBM, HA
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