Stability measurements of craniofacial implants by means of resonance frequency analysis. A clinical pilot study
Identifieur interne : 009799 ( Main/Exploration ); précédent : 009798; suivant : 009800Stability measurements of craniofacial implants by means of resonance frequency analysis. A clinical pilot study
Auteurs : S. J. Heo [Suède, Corée du Sud] ; L. Sennerby [Suède] ; M. Odersjö [Suède] ; G. Granström [Suède] ; A. Tjellström [Suède] ; N. Meredith [Royaume-Uni]Source :
- The Journal of Laryngology & Otology [ 0022-2151 ] ; 1998-06.
Abstract
Nineteen patients previously treated with 52 implants for anchorage of craniofacial prostheses were subjected to implant stability measurements by means of resonancefrequency analysis (RFA), six months to 15 years after implant placement. The resonance frequency (RF) of a transducer attached to the implant abutment was measured by using a frequency response analyser, a personal computer (PC) and dedicated software. Statisticallysignificant higher RF values were seen for implants in the temporal bone as compared to implants in the nose and periorbital regions. There was a positive correlation with time since implant placement for the period from six months up to seven years. It was concludedthat the preliminary results suggest that implant stability increases with time and that implants in temporal bone are more stable than implants in the bone in the nose and periorbital regions, probably reflecting differences in bone density.
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DOI: 10.1017/S0022215100141039
Affiliations:
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A clinical pilot study</title><author><name sortKey="Heo, S J" sort="Heo, S J" uniqKey="Heo S" first="S. J." last="Heo">S. J. Heo</name><affiliation wicri:level="1"><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Biomaterials/Handicap Research, Institute for Surgical Sciences, University of Gothenburg, Gothenburg</wicri:regionArea><wicri:noRegion>Gothenburg</wicri:noRegion></affiliation><affiliation wicri:level="4"><country xml:lang="fr">Corée du Sud</country><wicri:regionArea>The Department of Prosthodontics, Seoul National University, Seoul</wicri:regionArea><placeName><settlement type="city">Séoul</settlement><region type="capital">Région capitale de Séoul</region><settlement type="city">Séoul</settlement></placeName><orgName type="university">Université nationale de Séoul</orgName></affiliation></author><author><name sortKey="Sennerby, L" sort="Sennerby, L" uniqKey="Sennerby L" first="L." last="Sennerby">L. Sennerby</name><affiliation wicri:level="1"><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Biomaterials/Handicap Research, Institute for Surgical Sciences, University of Gothenburg, Gothenburg</wicri:regionArea><wicri:noRegion>Gothenburg</wicri:noRegion></affiliation><affiliation wicri:level="1"><country xml:lang="fr">Suède</country><wicri:regionArea>Department of Biomaterials/Handicap Research, the Brånemark Clinic, Faculty of Odontology, University of Gothenburg, Gothenburg</wicri:regionArea><wicri:noRegion>Gothenburg</wicri:noRegion></affiliation></author><author><name sortKey="Odersjo, M" sort="Odersjo, M" uniqKey="Odersjo M" first="M." last="Odersjö">M. Odersjö</name><affiliation wicri:level="1"><country xml:lang="fr">Suède</country><wicri:regionArea>The Department of Otolaryngology, Head and Neck Surgery, University of Gothenburg, Gothenburg</wicri:regionArea><wicri:noRegion>Gothenburg</wicri:noRegion></affiliation></author><author><name sortKey="Granstrom, G" sort="Granstrom, G" uniqKey="Granstrom G" first="G." last="Granström">G. Granström</name><affiliation wicri:level="1"><country xml:lang="fr">Suède</country><wicri:regionArea>The Department of Otolaryngology, Head and Neck Surgery, University of Gothenburg, Gothenburg</wicri:regionArea><wicri:noRegion>Gothenburg</wicri:noRegion></affiliation></author><author><name sortKey="Tjellstrom, A" sort="Tjellstrom, A" uniqKey="Tjellstrom A" first="A." last="Tjellström">A. 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Otol.</title><idno type="ISSN">0022-2151</idno><idno type="eISSN">1748-5460</idno><imprint><publisher>Cambridge University Press</publisher><pubPlace>Cambridge, UK</pubPlace><date type="published" when="1998-06">1998-06</date><biblScope unit="volume">112</biblScope><biblScope unit="issue">6</biblScope><biblScope unit="page" from="537">537</biblScope><biblScope unit="page" to="542">542</biblScope></imprint><idno type="ISSN">0022-2151</idno></series></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0022-2151</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">Nineteen patients previously treated with 52 implants for anchorage of craniofacial prostheses were subjected to implant stability measurements by means of resonancefrequency analysis (RFA), six months to 15 years after implant placement. The resonance frequency (RF) of a transducer attached to the implant abutment was measured by using a frequency response analyser, a personal computer (PC) and dedicated software. Statisticallysignificant higher RF values were seen for implants in the temporal bone as compared to implants in the nose and periorbital regions. There was a positive correlation with time since implant placement for the period from six months up to seven years. 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