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Evaluation of Stability of Double Threaded Implant-Emphasis on Initial Stability Using Osstell MentorTM; Part I  

Kim, Si-Yeob (Department of Oral & Maxillofacial Surgery, School of Dentistry, Pusan National University)
Kim, Byung-Kook (Osstem R&D Center)
Heo, Jin-Ho (Department of Oral & Maxillofacial Surgery, School of Dentistry, Pusan National University)
Lee, Ju-Youn (Department of Periodontology, School of Dentistry, Pusan National University)
Jeong, Chang-Mo (Department of Prosthodontics, School of Dentistry, Pusan National University)
Kim, Yong-Deok (Department of Oral & Maxillofacial Surgery, School of Dentistry, Pusan National University)
Publication Information
Journal of Dental Rehabilitation and Applied Science / v.23, no.4, 2007 , pp. 327-336 More about this Journal
Abstract
Purpose This study was planned to compare and evaluate the stability of implant using $Osstell^{TM}$ and Osstell $Mentor^{TM}$. Material and methods Artificial bone and RBM(resorbable blasting media) surface blasted implants(Osstem US II, SS II implants - diameter: 4mm, length: 13mm) were used. To measure the stability of installed implants, $Osstell^{TM}$ and Osstell $Mentor^{TM}$ were used. In the first experiment, five implants were installed in D1(external type implants) and D3(internal type implants). In the second experiment, 4 internal type implants were divided in two groups and installed in D1 artificial bone with different depth. In the third experiment, two external implants were installed in D1 and D3 artificial bone each and two internal implants were installed in D1 and D3 artificial bone. In all groups, their stability were measured by $Osstell^{TM}$ and Osstell $Mentor^{TM}$. Results In all groups, $Osstell^{TM}$ and Osstell $Mentor^{TM}$ both showed reliable measurement values. The value difference between $Osstell^{TM}$ and Osstell $Mentor^{TM}$ was observed but the difference was small and clinically acceptable. Conclusion These results suggest that the use of Osstell $Mentor^{TM}$ has clinical relevance in the assessment of implant stability.
Keywords
Osstell Mentor; Resonance frequency analysis; implant stability;
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