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Published: 2026-05-06
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DOI: https://doi.org/10.52852/tcncyh.v201i4.4806
Issue
Vol. 201 No. 4 (2026)
Section
Các bài báo
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Long, N. K., Tiến, Đoàn Đức, & Khánh, C. Q. (2026). Survival outcomes and complications of screw-retained implant-supported full-arch prostheses in completely edentulous patients. Journal of Medical Research, 201(4), 471-481. https://doi.org/10.52852/tcncyh.v201i4.4806

Survival outcomes and complications of screw-retained implant-supported full-arch prostheses in completely edentulous patients

Nguyen Khanh Long, Doan Duc Tien, Chu Quang Khanh

Main Article Content

Abstract

A study was conducted to evaluate the survival rate and the biological and mechanical complications of implant-supported screw-retained full-arch fixed prostheses. The primary outcome was the survival rate, and the secondary outcomes included biological and mechanical complications. This retrospective cohort study included 58 completely edentulous patients (one or both arches) who received 78 screw-retained full-arch fixed prostheses supported by a total of 373 implants between 2020 and 2024. The prosthesis survival rate was 92.3%, while the implant survival rate was 99.8%. The most common biological complication was peri-implant mucositis (10.46%), whereas peri-implantitis was observed in 0.5%. The most frequent mechanical complications were screw loosening (24.1%) and prosthetic fracture (7.7%). Prosthesis fractures occurred predominantly in patients rehabilitated in both arches.

Article Details

Keywords

Full-arch prosthesis, dental implant, complications, survival rate

References

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