ReviewHealthcare (Basel, Switzerland)2021
Clinical Comparation of Extra-Short (4 mm) and Long (>8 mm) Dental Implants Placed in Mandibular Bone: A Systematic Review and Metanalysis.
Review in Healthcare (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers, 2 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
9 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- Clinical performance of short implants vs. standard implants in edentulous patients. An umbrella review.Frontiers in oral health · 2025Pooled it
- Clinical efficacy of extra-short implant (4 mm) placed in posterior areas: a Meta-analysis.Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology · 2023Pooled it
- Two-Year Follow-Up of 4-mm-Long Implants Used as Distal Support of Full-Arch FDPs Compared to 10-mm Implants Installed after Sinus Floor Elevation. A Randomized Clinical Trial.International journal of environmental research and public health · 2021Trial
- Immediate Loading of 5.2-mm Ultra-Short Implants Supporting Maxillary Overdentures in the Severely Atrophic Maxilla: A Prospective Pilot Study.Journal of clinical medicine · 2026Article
- [Research progress on three-dimensional finite element analysis for fixed implant restoration of edentulous jaw].Sheng wu yi xue gong cheng xue za zhi = Journal of biomedical engineering = Shengwu yixue gongchengxue zazhi · 2026Review
- The National Dental Practice-Based Research Network Dental Implant Restoration Registry to Evaluate Dental Implant Outcomes in Community Practice Settings: Protocol for a Prospective Observational Study.JMIR research protocols · 2026Observational
- A 4-mm-Short Implant Rehabilitation in the Posterior Maxilla With Dynamic Navigation Technology: A Case Report After 10 Years of Postloading Follow-Up.Case reports in dentistry · 2026Article
- Comparative Evaluation of Stress at the Implant Bone Interface Between Short Implants and Long Implants Using BioHPP Abutment- AnJournal of pharmacy & bioallied sciences · 2025Review
- Four-mm-short implants in the rehabilitation of posterior atrophic jaws: A retrospective study on 212 patients with a mean follow-up of 8.02 years.Clinical oral implants research · 2024Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This systematic review (SR) aimed to evaluate implant survival rate, marginal bone loss (MBL), and biological/prosthetic complications of extra-short 4 mm dental implants. An electronic search without language or date restrictions was performed in five databases and in gray literature for articles published until August 2020. Prospective cohort studies and randomized clinical trials (RCTs) that evaluated the clinical performance of extra-short 4 mm dental implants were included. Studies were independently assessed for risk of bias using the Cochrane Collaboration's tool. The protocol of this SR was registered in the PROSPERO database under number CRD42019139709. Four studies were included in the present SR. There was no significant difference in implant survival rate (
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.