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Titel
An open prospective single cohort multicenter study evaluating the novel, tapered, conical connection implants supporting single crowns in the anterior and premolar maxilla : interim 1-year results
Verfasser / VerfasserinZechner, Werner ; Fügl, Alexander ; Pozzi, Alessandro ; Heydecke, Guido ; Mirzakhanian, Christine ; Behneke, Nikolaus ; Behneke, Alexandra ; Baer, Russell A. ; Nölken, Robert ; Gottesman, Edward ; Colic, Snjezana
Erschienen in
Clinical Oral Investigations, 2017, Jg. 21, H. 6, S. 2133-2142
ErschienenSpringer, 2017
SpracheEnglisch
DokumenttypAufsatz in einer Zeitschrift
Schlagwörter (EN)Conical connection / Platform shifting / Anterior maxilla / Immediate temporization
URNurn:nbn:at:at-ubmuw:3-3511 Persistent Identifier (URN)
DOI10.1007/s00784-016-2003-0 
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 Das Werk ist frei verfügbar
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An open prospective single cohort multicenter study evaluating the novel, tapered, conical connection implants supporting single crowns in the anterior and premolar maxilla [0.63 mb]
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Zusammenfassung (Englisch)

Objectives

The aim of this multicenter prospective clinical study was to evaluate anodized tapered implants with a conical connection and integrated platform shifting placed in the anterior and premolar maxilla.

Materials and methods

The study enrolled patients requiring single-tooth restorations in healed sites of maxillary anterior and premolar teeth. All implants were immediately temporized. Clinical and radiographic evaluations were conducted at implant insertion, 6 months, and 1 year. Outcome measures included bone remodeling, cumulative survival rate (CSR), success rate, soft-tissue health and esthetics, and patient satisfaction. Bone remodeling and pink esthetic score were analyzed using Wilcoxon signed-rank tests. CSR was calculated using life table analysis. Other soft-tissue outcomes were analyzed using sign tests.

Results

Out of 97 enrolled patients (102 implants), 87 patients (91 implants) completed the 1-year visit. Marginal bone remodeling was 0.85 1.36 mm. After the expected initial bone loss, a mean bone gain of 0.11 1.05 mm was observed between 6 months and 1 year. The CSR was 99.0%, and the cumulative success rate was 97.0%. Partial or full papilla was observed at 30.8% of sites at baseline, 87.2% at 6 months, and 90.5% at 1 year. Soft-tissue response, esthetics, and patient satisfaction all improved during the study period.

Conclusions

Bone gain was observed following the expected initial bone loss, and soft-tissue outcomes improved suggesting favorable tissue response using anodized tapered conical connection implants.

Clinical relevance

Rapid stabilization of bone remodeling and robust papilla regeneration indicate favorable tissue healing promoted by the conical connection, platform-shift design.

Trial registration

clinicaltrials.gov NCT02175550

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CC-BY-Lizenz (4.0)Creative Commons Namensnennung 4.0 International Lizenz