ArticleJournal of clinical medicine2023
Up to a 15-Year Survival Rate and Marginal Bone Resorption of 1780 Implants with or without Microthreads: A Multi Center Retrospective Study.
Article in Journal of clinical medicine, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed.
- Effect of vertical implant position on marginal bone loss: a randomized clinical trial.BMC oral health · 2024Trial
- Influence of Scan Body Geometry, Implant Angulation, and Interimplant Distance on the Accuracy of Maxillary Full-Arch Digital Implant Scans: An In Vitro Study.Medical science monitor : international medical journal of experimental and clinical research · 2026Article
- A prospective clinical study of immediate implant placement in the maxillary esthetic zone.Journal of periodontal & implant science · 2025Article
- Stability Comparison of Implants with Alumina Sandblasting and Acid Etching Surface Treatment: A Retrospective Cohort StudyJournal of clinical medicine · 2025Article
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
The effect of microthreads at the implant neck on the amount of marginal bone resorption is controversial. This multicenter retrospective study compared the implant survival rate and amount of marginal bone resorption between two platform-switching internal connection implant systems with or without microthreads. Patient-related (age and sex), surgery-related (implant installation site, type, diameter, and length), and prosthesis-related (prosthesis type) data were collected from patient charts from the implant placement surgery to the final recall visit. A total of 1780 implants, including 1379 with microthreads and 401 without microthreads, were placed in 804 patients. For implants with and without microthreads, the longest follow-up period after prosthesis delivery was 15 and 6 years, respectively. Twenty implants failed during the 15-year follow-up period (98.8% survival rate) due to failed osseointegration, peri-implantitis, implant fractures, and non-functioning implants. The mean marginal bone loss was < 0.1 mm for both implant systems at the 1-year follow-up and 0.18 mm and 0.09 mm at the 4-year follow-up for implants with and without microthreads, respectively, without statistical significance. Microthreads did not significantly affect the amount of marginal bone loss or the implant survival rate for implants with an internal connection with a platform-switching design.
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Registered trials
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