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Steyer, E; Herber, V; Koller, M; Végh, D; Mukaddam, K; Jakse, N; Payer, M.
Immediate Restoration of Single-Piece Zirconia Implants: A Prospective Case Series-Long-Term Results after 11 Years of Clinical Function.
Materials (Basel). 2021; 14(22): Doi: 10.3390/ma14226738 [OPEN ACCESS]
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Führende Autor*innen der Med Uni Graz
Herber Valentin
Steyer Elisabeth
Co-Autor*innen der Med Uni Graz
Jakse Norbert
Koller Martin
Mukaddam Khaled
Payer Michael
Vegh Daniel Csaba

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OBJECTIVES: The aim of this prospective case series was to evaluate single-piece zirconia implants restored with lithium disilicate CAD/CAM crowns through a long-term follow-up. METHODS: In this trial, 20 one-piece zirconia implants were placed in 20 patients. Implants were restored (i) immediately with lithium disilicate CAD/CAM provisionals, and (ii) permanently four months after surgery. Patients were followed for 11 years. Clinical parameters and radiological measurements of the zirconia implants were assessed. For the statistical analysis, paired t-test was applied. RESULTS: Four implants were counted as implant failure due to the loss of implant stability, resulting in a Kaplan-Meier survival rate of 80% up to 11 years. The mean bleeding on probing values were 19.1% (SD ± 13.1) and 18.2% (SD ± 17.6) 96 and 11 years after implant placement, respectively. The plaque index revealed a significant decrease over time (p < 0.001) with a value between 25.9% (SD ± 5.7) and 12.6% (SD ± 10.0) at baseline and 11-years follow-up respectively. The marginal bone level revealed a significant decrease 4, 8, and 11 years after implant insertion (p = 0.001, p = 0.019, and p = 0.027, respectively). CONCLUSIONS: Immediately loaded zirconia single-piece implants showed a suitable success rate in clinical and radiographic outcomes.

Find related publications in this database (Keywords)
immediate loading
radiographic bone level
zirconia implants
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