Resonance frequency measurements of implant stability in the dog mandible: experimental comparison with histomorphometric data |
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| Authors: | Schliephake H Sewing A Aref A |
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| Affiliation: | 1. Department of Oral and Maxillofacial Surgery, George-Augusta-University, Göttingen, Germany;2. Merck Biomaterial, Darmstadt, Germany;1. Department of Oral and Maxillofacial Surgery, University Hospital of Aachen University, Pauwelsstraße 30, 52074 Aachen, Germany;2. Maxillofacial Unit, Bradford Teaching Hospitals NHS Foundation Trust, St Lukes, Hospital, Little Horton Lane, Bradford, West Yorkshire BD5 0NA, England, UK;1. Graduate student, Department of Dental Science, School of Natural Science, Kyungpook National University, Daegu, South Korea;2. Assistant Professor, Department of Prosthodontics, School of Dentistry and Advanced Dental Device Development Institute, Kyungpook National University, Daegu, South Korea;1. Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan;2. Center for Stem Cell Research, Kaohsiung Medical University, Kaohsiung, Taiwan;3. School of Medicine, College of Medicine, I-Shou University, Kaohsiung, Taiwan;4. Department of Obstetrics and Gynecology, E-Da Hospital, Kaohsiung, Taiwan;5. Department of Medicine, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan;6. Department of Medical Imaging, Kaohsiung Medical University Hospital, Kaohsiung, Taiwan;7. Department of Radiology, College of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan;8. Graduate Institute of Clinical Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung, Taiwan;9. Institute of Biomedical Sciences, National Sun Yat-Sen University, Kaohsiung, Taiwan;10. Graduate Institute of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan;11. Department of Internal Medicine, Kaohsiung Municipal Hsiao-Kang Hospital, Kaohsiung, Taiwan;12. Department of Chemistry and Center for Nanoscience and Nanotechnology, National Sun Yat-sen University, Kaohsiung Taiwan;1. Assistant, Division of Cariology and Endodontology, School of Dentistry, University of Geneva, Geneva, Switzerland;2. Professor and Chairman, Division of Cariology and Endodontology, School of Dentistry, University of Geneva, Geneva, Switzerland;3. Senior Assistant, Division of Cariology and Endodontology, School of Dentistry, University of Geneva, Geneva, Switzerland |
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| Abstract: | ![]()
The aim of the present study was to test the hypothesis that measurements of implant stability using resonance frequency analysis (RFA) correlate with histomorphometric data of bone anchorage. Ten adult female foxhounds received a total of 80 implants in their mandibles 3 months after removal of all premolar teeth. At the time of implant placement, torque required for bone tapping was registered as a measure of bone density and immediately after placement implant stability was assessed using RFA. RFA measurements were repeated at the time of implant retrieval after 1 month (5 dogs) and 3 months (5 dogs). Peri-implant bone regeneration was assessed histomorphometrically by measuring bone-implant contact (BIC) and the volume density of the newly formed peri-implant bone (BVD). RFA values at the time of implant placement did not correlate with the torque required to tap the bone for implant placement. After 1 and 3 months, RFA values were significantly increased compared with baseline values. BIC and BVD, however, had increased significantly during this interval. There was no correlation between bone-implant contact and RFA values nor between peri-implant bone density and RFA values. Thus, the hypothesis could not be verified. It is concluded that the validity of the individual measurement of implant stability using RFA should be considered with caution. |
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