ArticleOral and maxillofacial surgery2025
Influence of crown-implant ratio on photofuntcionalized short implants success rates: 5 year follow-up prospective study.
Article in Oral and maxillofacial surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It has been retracted, and should not be counted. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Article
- Long-term functional outcome of short implants in the posterior region with a follow-up of 7 years: A case report.SAGE open medical case reports · 2026Article
Corrections and comments
- Retracted
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveTo evaluate the influence of crown-to-implant ratio(C/I) on marginal bone level changes and survival rate of implants during function.
methodsThe study included 68 patients with completely or partial edentulous and severe vertical bone atrophy, which were restored with a single crown(46) or a partial fixed(48) denture supported by 152 short implants. Implants were divided into three groups according to the C/I ratio (1.5:1, 1,75:1, 2:1). The results were evaluated: failures of the implant, any complications, implants marginal bone loss (MBL), implants success rates the follow up for 5 years. MBL was assessed by taking x-rays after restoration fixation, after 1,3,5 years post operatively.
resultsDuring implantation and in the post-implantation period, no serious biological or prosthetic complications were recorded. After 1 years in Group 1 mean MBL 0.86 ± 0.4 mm, after 3 years 0,98 ± 0.2 mm), after 5 years 1.05 ± 0.3 mm. After 1 years in Group 2 mean MBL 0.97 ± 0.3 mm, after 3 years 1,07 ± 0.4 mm), after 5 years MBL was 1.12 ± 0.6 mm.Аfter 1 years in Group 3 mean MBL 1,08 ± 0.6 mm, after 3 years 1,19 ± 0.2 mm, after 5 years MBL was 1.27 ± 0.3 mm. Short implants cumulative success of implantation after 5 years was 97.8% for group 1, 97.6% for group 2, and 97.3% for group 3. Patients were satisfied with the results of treatment.
conclusionsThe study showed that different C/I ratios of short implants did not affect the survival rate and their use can be considered favorable and completely justified. CLINICAL TRIAL NUMBER: Not applicable.
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