Trial reportInternational dental journal2025
Narrow Versus Standard Diameter Implants for Supporting Single Crown Restorations in the Posterior Jaw: A Randomised Controlled Trial.
Trial report in International dental journal, 2025. 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
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
4 citing papers in PubMed.
- In Vivo Complete Arch Implant Impressions: Comparison of the Linear Precision of Digital and Conventional Techniques.International dental journal · 2026Article
- Assessment of narrow-diameter implant survival for single-crown rehabilitation in the molar area.Bioinformation · 2026Article
- Five Year Clinical, Radiographic and Soft Tissue Profilometric Outcomes at Two Narrow-Diameter Implants to Replace Missing Maxillary Lateral Incisors.Clinical oral implants research · 2025Article
- The Impact of Cigarette Smoking, Waterpipe Smoking, and E-Cigarette Vaping on Peri-Implant Clinical Outcomes and Inflammatory Markers: a Systematic Review and Meta-Analysis.Journal of oral & maxillofacial researchReview
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
objectivesThe aim of this randomised controlled trial was to assess clinical, radiographic and patient reported outcomes of narrow versus standard diameter titanium zirconium (TiZr) implants supporting single crown restorations in posterior sites with limited bone width. MATERIALS AND
methodsParticipants requiring replacement of single missing posterior teeth with implant-supported crowns were randomly allocated into 2 treatment groups: narrow (3.3 mm) or standard (4.1 mm) diameter implant. All implants were restored with screw-retained monolithic zirconia crowns. The changes in marginal bone level (MBL) were assessed at the time of delivery of definitive crown and after 1 year of function. Implant stability was measured at placement, 3 and 12 months. Implant success, pink esthetic score (PES), peri-implant parameters, and patient satisfaction were also evaluated.
resultsA total of 20 participants with 20 implant-supported single crowns completed the 1-year follow-up. All implants were successful. The narrow diameter implants had a higher bone remodeling of 0.39 ± 0.92 mm after 1 year of loading compared with only 0.10 ± 0.29 mm for the standard diameter implants but the difference was not statistically significant (P = .40). There were no statistically significant differences between the 2 implant groups in terms of PES and peri-implant outcomes.
conclusionsNarrow and standard-diameter TiZr implants supporting screw-retained monolithic zirconia crowns in the posterior region were reliable treatment modalities with comparable clinical, radiographic and patient reported outcomes after 1 year of function. Patient satisfaction was high in both treatment groups. CLINICAL RELEVANCE: The clinical performance of narrow-diameter implants was comparable to standard-diameter implants in replacing a single missing posterior tooth in 12 months. Narrow- and standard-diameter implants can maintain marginal bone levels in 12 months.
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