Influence of occlusal loading on peri-implant inflammatory cytokines in crevicular fluid : a prospective longitudinal study
OBJECTIVE: The objective of the study was to evaluate the relation between occlusal loading and peri-implant crevicular fluid cytokine expression in patients with implant-supported complete fixed prostheses in both arches.
MATERIAL AND METHODS: A prospective longitudinal clinical study was performed at a university clinic. Fifteen patients were selected and 11 were included. All patients had bimaxillary implant-supported complete fixed ceramo-metallic prostheses loaded at least 12 months before the beginning of the study. Allocation was established for each patient using a computerized occlusal analysis system. The test implant was the maxillary implant closest to the point of highest occlusal loading. The maxillary implant with least loading was the control implant. Occlusal adjustment was performed using a round diamond burr. This occlusal distribution was verified with the occlusal analysis system. Expression of cytokines from peri-implant crevicular fluid (TNF-α, IL-10, IL-6, IL-1β, IL-8) were recorded and analyzed in both test and control implants before (baseline: T0) and 2 (T1) and 12 months (T2) after occlusal adjustment. The Brunner-Langer non-parametric test was performed.
RESULTS: At T0, the expression of IL-10 was significantly higher in the test group implants (p = 0.018). Between T0 and T1, the expression of all the cytokines decreased in the implants of both groups with statistically significant differences, except for TNF (p = 0.271). When comparing both groups at T1, there was no statistically significant difference in any of the analyzed cytokines. At T2, TNF-α suffered when compared with baseline, a statistical decrease in both study and control implants (p < 0,001). At T2, there were no statistically significant differences between groups in any of the cytokines analyzed.
CONCLUSIONS: Implants with higher occlusal load presented higher expression of IL-10 in peri-implant crevicular fluid. Occlusal adjustment produced a decrease in the expression of all the analyzed cytokines, both in test and control implants.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2020 |
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| Erschienen: |
2020 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:6 |
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| Enthalten in: |
International journal of implant dentistry - 6(2020), 1 vom: 28. Okt., Seite 71 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Viña-Almunia, Jose [VerfasserIn] |
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| Links: |
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| Themen: |
Crevicular fluid |
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| Anmerkungen: |
Date Revised 31.10.2020 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1186/s40729-020-00262-2 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM316798533 |
|---|
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| 100 | 1 | |a Viña-Almunia, Jose |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Influence of occlusal loading on peri-implant inflammatory cytokines in crevicular fluid |b a prospective longitudinal study |
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| 500 | |a Date Revised 31.10.2020 | ||
| 500 | |a published: Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a OBJECTIVE: The objective of the study was to evaluate the relation between occlusal loading and peri-implant crevicular fluid cytokine expression in patients with implant-supported complete fixed prostheses in both arches | ||
| 520 | |a MATERIAL AND METHODS: A prospective longitudinal clinical study was performed at a university clinic. Fifteen patients were selected and 11 were included. All patients had bimaxillary implant-supported complete fixed ceramo-metallic prostheses loaded at least 12 months before the beginning of the study. Allocation was established for each patient using a computerized occlusal analysis system. The test implant was the maxillary implant closest to the point of highest occlusal loading. The maxillary implant with least loading was the control implant. Occlusal adjustment was performed using a round diamond burr. This occlusal distribution was verified with the occlusal analysis system. Expression of cytokines from peri-implant crevicular fluid (TNF-α, IL-10, IL-6, IL-1β, IL-8) were recorded and analyzed in both test and control implants before (baseline: T0) and 2 (T1) and 12 months (T2) after occlusal adjustment. The Brunner-Langer non-parametric test was performed | ||
| 520 | |a RESULTS: At T0, the expression of IL-10 was significantly higher in the test group implants (p = 0.018). Between T0 and T1, the expression of all the cytokines decreased in the implants of both groups with statistically significant differences, except for TNF (p = 0.271). When comparing both groups at T1, there was no statistically significant difference in any of the analyzed cytokines. At T2, TNF-α suffered when compared with baseline, a statistical decrease in both study and control implants (p < 0,001). At T2, there were no statistically significant differences between groups in any of the cytokines analyzed | ||
| 520 | |a CONCLUSIONS: Implants with higher occlusal load presented higher expression of IL-10 in peri-implant crevicular fluid. Occlusal adjustment produced a decrease in the expression of all the analyzed cytokines, both in test and control implants | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Crevicular fluid | |
| 650 | 4 | |a Cytokines | |
| 650 | 4 | |a Occlusal loading | |
| 650 | 4 | |a Peri-implant clinical parameters | |
| 700 | 1 | |a Pellicer-Chover, Hilario |e verfasserin |4 aut | |
| 700 | 1 | |a García-Mira, Berta |e verfasserin |4 aut | |
| 700 | 1 | |a Romero-Millán, Javier |e verfasserin |4 aut | |
| 700 | 1 | |a Peñarrocha-Oltra, David |e verfasserin |4 aut | |
| 700 | 1 | |a Peñarrocha-Diago, Miguel |e verfasserin |4 aut | |
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