Modified internal sinus elevation for patients with low residual bone height : A retrospective clinical study
© 2023 Wiley Periodicals LLC..
BACKGROUND: We have modified the internal sinus elevation by combining it with the sinus mucoperiosteum stripping procedure, which further increases the indications for the internal lift. Similar long-term clinical follow-up studies and three-dimensional finite element analyses are rare.
OBJECTIVE: This study aimed to investigate the feasibility of the modified internal sinus floor elevation method in patients with low residual bone height using a three-dimensional (3D) finite element model and report on the long-term outcomes.
MATERIALS AND METHODS: Overall, 99 implants were placed in 86 patients. All patients were followed-up for 3-24 months. The modified internal sinus floor elevation was dynamically simulated using a 3D finite element model, and the stress of the sinus membrane was measured.
RESULTS: In trial group A (modified internal sinus floor elevation group), 57 implants were placed in 52 patients. The sinus floor height was lifted by 6.5 mm (95%confidence interval (CI): 6.2-6.8). The perforation rate was 8.8%, and the implant survival rate was 96.5%. In control group B (external sinus floor elevation group), 42 implants were placed in 34 patients. The sinus floor height was lifted by 8.8 mm (95%CI: 8.4-9.3). The perforation rate was 14.3%, and the implant survival rate was 100%. In trial group A, compared with the control group B, perforation decreased by 5.5% (odds ratio = 0.50 and 95%CI: 0.14-1.78; p = 0.282), and the sinus floor lift height was 2.3 mm lower (95%CI, 1.8-2.9; p < 0.001). The finite element analysis showed that the peak stress of the sinus membrane increased with an increase in height elevation and degree of membrane separation.
CONCLUSION: Our findings indicate the positive clinical outcomes in patients with low RBH associated with the modified internal sinus elevation procedure.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:25 |
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| Enthalten in: |
Clinical implant dentistry and related research - 25(2023), 3 vom: 03. Juni, Seite 458-472 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Deng, Yinxin [VerfasserIn] |
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| Links: |
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| Themen: |
Clinical Study |
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| Anmerkungen: |
Date Completed 06.06.2023 Date Revised 06.06.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1111/cid.13204 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
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| 245 | 1 | 0 | |a Modified internal sinus elevation for patients with low residual bone height |b A retrospective clinical study |
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| 520 | |a © 2023 Wiley Periodicals LLC. | ||
| 520 | |a BACKGROUND: We have modified the internal sinus elevation by combining it with the sinus mucoperiosteum stripping procedure, which further increases the indications for the internal lift. Similar long-term clinical follow-up studies and three-dimensional finite element analyses are rare | ||
| 520 | |a OBJECTIVE: This study aimed to investigate the feasibility of the modified internal sinus floor elevation method in patients with low residual bone height using a three-dimensional (3D) finite element model and report on the long-term outcomes | ||
| 520 | |a MATERIALS AND METHODS: Overall, 99 implants were placed in 86 patients. All patients were followed-up for 3-24 months. The modified internal sinus floor elevation was dynamically simulated using a 3D finite element model, and the stress of the sinus membrane was measured | ||
| 520 | |a RESULTS: In trial group A (modified internal sinus floor elevation group), 57 implants were placed in 52 patients. The sinus floor height was lifted by 6.5 mm (95%confidence interval (CI): 6.2-6.8). The perforation rate was 8.8%, and the implant survival rate was 96.5%. In control group B (external sinus floor elevation group), 42 implants were placed in 34 patients. The sinus floor height was lifted by 8.8 mm (95%CI: 8.4-9.3). The perforation rate was 14.3%, and the implant survival rate was 100%. In trial group A, compared with the control group B, perforation decreased by 5.5% (odds ratio = 0.50 and 95%CI: 0.14-1.78; p = 0.282), and the sinus floor lift height was 2.3 mm lower (95%CI, 1.8-2.9; p < 0.001). The finite element analysis showed that the peak stress of the sinus membrane increased with an increase in height elevation and degree of membrane separation | ||
| 520 | |a CONCLUSION: Our findings indicate the positive clinical outcomes in patients with low RBH associated with the modified internal sinus elevation procedure | ||
| 650 | 4 | |a Clinical Study | |
| 650 | 4 | |a Journal Article | |
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| 700 | 1 | |a Gao, Kang |e verfasserin |4 aut | |
| 700 | 1 | |a Dou, Yiping |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Ruihong |e verfasserin |4 aut | |
| 700 | 1 | |a He, Yilin |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Beibei |e verfasserin |4 aut | |
| 700 | 1 | |a Liu, Weiwei |e verfasserin |4 aut | |
| 700 | 1 | |a Ma, Pan |e verfasserin |4 aut | |
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