Does Implant Design Affect Implant Primary Stability? A Resonance Frequency Analysis-Based Randomized Split-Mouth Clinical Trial.
Identifieur interne : 000145 ( Main/Exploration ); précédent : 000144; suivant : 000146Does Implant Design Affect Implant Primary Stability? A Resonance Frequency Analysis-Based Randomized Split-Mouth Clinical Trial.
Auteurs : Sergio Alexandre Gehrke [Brésil] ; Ulisses Tavares Da Silva [Brésil] ; Massimo Del Fabbro [Italie]Source :
- The Journal of oral implantology [ 1548-1336 ] ; 2015.
Abstract
The purpose of this study was to assess implant stability in relation to implant design (conical vs. semiconical and wide-pitch vs narrow-pitch) using resonance frequency analysis. Twenty patients with bilateral edentulous maxillary premolar region were selected. In one hemiarch, conical implants with wide pitch (group 1) were installed; in the other hemiarch, semiconical implants with narrow pitch were installed (group 2). The implant allocation was randomized. The implant stability quotient (ISQ) was measured by resonance frequency analysis immediately following implant placement to assess primary stability (time 1) and at 90 days after placement (time 2). In group 1, the mean and standard deviation ISQ for time 1 was 65.8 ± 6.22 (95% confidence interval [CI], 55 to 80), and for time 2, it was 68.0 ± 5.52 (95% CI, 57 to 77). In group 2, the mean and standard deviation ISQ was 63.6 ± 5.95 (95% CI, 52 to 78) for time 1 and 67.0 ± 5.71 (95% CI, 58 to 78) for time 2. The statistical analysis demonstrated significant difference in the ISQ values between groups at time 1 (P = .007) and no statistical difference at time 2 (P = .54). The greater primary stability of conical implants with wide pitch compared with semiconical implants with narrow pitch might suggest a preference for the former in case of the adoption of immediate or early loading protocols.
DOI: 10.1563/aaid-joi-D-13-00294
PubMed: 25438099
Affiliations:
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A Resonance Frequency Analysis-Based Randomized Split-Mouth Clinical Trial.</title><author><name sortKey="Gehrke, Sergio Alexandre" sort="Gehrke, Sergio Alexandre" uniqKey="Gehrke S" first="Sergio Alexandre" last="Gehrke">Sergio Alexandre Gehrke</name><affiliation wicri:level="1"><nlm:affiliation>1 Biotecnos Research Center, Santa Maria, Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>1 Biotecnos Research Center, Santa Maria</wicri:regionArea><wicri:noRegion>Santa Maria</wicri:noRegion></affiliation></author><author><name sortKey="Da Silva, Ulisses Tavares" sort="Da Silva, Ulisses Tavares" uniqKey="Da Silva U" first="Ulisses Tavares" last="Da Silva">Ulisses Tavares Da Silva</name><affiliation wicri:level="1"><nlm:affiliation>3 Postgraduate Program in Implantology of Associação Paulista dos Circurgiões Dentistas, Jundiaí and Osasco, Brazil.</nlm:affiliation><country xml:lang="fr">Brésil</country><wicri:regionArea>3 Postgraduate Program in Implantology of Associação Paulista dos Circurgiões Dentistas, Jundiaí and Osasco</wicri:regionArea><wicri:noRegion>Jundiaí and Osasco</wicri:noRegion></affiliation></author><author><name sortKey="Del Fabbro, Massimo" sort="Del Fabbro, Massimo" uniqKey="Del Fabbro M" first="Massimo" last="Del Fabbro">Massimo Del Fabbro</name><affiliation wicri:level="1"><nlm:affiliation>4 Research Center in Oral Health, Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milano, Italy.</nlm:affiliation><country xml:lang="fr">Italie</country><wicri:regionArea>4 Research Center in Oral Health, Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, Milano</wicri:regionArea><wicri:noRegion>Milano</wicri:noRegion></affiliation></author></analytic><series><title level="j">The Journal of oral implantology</title><idno type="eISSN">1548-1336</idno><imprint><date when="2015" type="published">2015</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">The purpose of this study was to assess implant stability in relation to implant design (conical vs. semiconical and wide-pitch vs narrow-pitch) using resonance frequency analysis. Twenty patients with bilateral edentulous maxillary premolar region were selected. In one hemiarch, conical implants with wide pitch (group 1) were installed; in the other hemiarch, semiconical implants with narrow pitch were installed (group 2). The implant allocation was randomized. The implant stability quotient (ISQ) was measured by resonance frequency analysis immediately following implant placement to assess primary stability (time 1) and at 90 days after placement (time 2). In group 1, the mean and standard deviation ISQ for time 1 was 65.8 ± 6.22 (95% confidence interval [CI], 55 to 80), and for time 2, it was 68.0 ± 5.52 (95% CI, 57 to 77). In group 2, the mean and standard deviation ISQ was 63.6 ± 5.95 (95% CI, 52 to 78) for time 1 and 67.0 ± 5.71 (95% CI, 58 to 78) for time 2. The statistical analysis demonstrated significant difference in the ISQ values between groups at time 1 (P = .007) and no statistical difference at time 2 (P = .54). The greater primary stability of conical implants with wide pitch compared with semiconical implants with narrow pitch might suggest a preference for the former in case of the adoption of immediate or early loading protocols.</div></front></TEI><affiliations><list><country><li>Brésil</li><li>Italie</li></country></list><tree><country name="Brésil"><noRegion><name sortKey="Gehrke, Sergio Alexandre" sort="Gehrke, Sergio Alexandre" uniqKey="Gehrke S" first="Sergio Alexandre" last="Gehrke">Sergio Alexandre Gehrke</name></noRegion><name sortKey="Da Silva, Ulisses Tavares" sort="Da Silva, Ulisses Tavares" uniqKey="Da Silva U" first="Ulisses Tavares" last="Da Silva">Ulisses Tavares Da Silva</name></country><country name="Italie"><noRegion><name sortKey="Del Fabbro, Massimo" sort="Del Fabbro, Massimo" uniqKey="Del Fabbro M" first="Massimo" last="Del Fabbro">Massimo Del Fabbro</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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