ArticleTrials2019
Clinical efficacy of different marginal forms of endocrowns: study protocol for a randomized controlled trial.
Article in Trials, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03398395 (Comparison of Long Term Clinical Efficacy of Different Computer-Aided Design & Computer-Aided Manufacturing), which is not on this map. Cited by 15 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.
Comparison of Long Term Clinical Efficacy of Different Computer-Aided Design & Computer-Aided Manufacturing(CAD/CAM) Materials for the Restoration of Teeth With Root Canal Therapy With Endocrown or 90° Shoulder Endocrown
Who cites it
15 citing papers in PubMed, 24 citations in OpenAlex.
- Article
- Advanced 3D Insights Into the Marginal and Internal Fit of Ceramic-Filled Hybrid Endocrowns With Variable Preparations.Journal of esthetic and restorative dentistry : official publication of the American Academy of Esthetic Dentistry ... [et al.] · 2025Article
- An in vitro analysis of marginal and internal fit of 3D-printed permanent molar endocrowns with different preparation designs.Clinical oral investigations · 2025Article
- Impact of Margin Type and Material Choice on Stress Distribution in Endocrown Restorations: A 3D Finite Element Study.Medical science monitor : international medical journal of experimental and clinical research · 2025Article
- Resistance of Resin-Bonded Ceramic Endocrowns of Different Intracoronal Depths.Oral health & preventive dentistry · 2025Article
- Chinese dentists' restorative preferences and choices for endodontically treated teeth: a representative survey.BMC oral health · 2024Article
- Clinical performance of computer-aided design/computer-aided manufacture lithium disilicate ceramic endocrown restorations: A 2-year study.Journal of conservative dentistry and endodontics · 2024Article
- Knowledge and Awareness of Dental Practitioners About the Utilization of Endocrown in Post-endodontic Management.Cureus · 2023Article
- Unlocking Endocrown Restoration Expertise Among Dentists: Insights from a Multi-Center Cross-Sectional Study.Medical science monitor : international medical journal of experimental and clinical research · 2023Article
- Tensile Bond Strength and Retention of Three Types of Ceramic Endocrowns.Journal of dentistry (Shiraz, Iran) · 2023Article
- Effect of virtual cement space and restorative materials on the adaptation of CAD-CAM endocrowns.BMC oral health · 2022Article
- Clinical Evaluation of CAD/CAM Ceramic Endocrown Versus Prefabricated Zirconia Crown in the Restoration of Pulpotomized Primary Molars: A Two-Year Spilt-Mouth Randomized Controlled Trial.European journal of dentistry · 2022Article
- Influence of margin design and restorative material on the stress distribution of endocrowns: a 3D finite element analysis.BMC oral health · 2022Article
- Article
- The impact of extended pulp chamber preparations on the clinical performance of endocrowns in Indian patients: A 1-year observational study.Journal of oral biology and craniofacial researchArticle
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
7 authors at 1 institution in 1 country.
Funding
Abstract
backgroundAfter root canal treatment, most tooth defects need to be restored. Onlay restoration is widely used to restore dental defects. Endocrown is a new type of onlay; however, dentists have yet to obtain a full understanding of the clinical effects of marginal forms of endocrowns. Here, we present a multicenter protocol to compare the clinical efficacy of two marginal forms (flat and 90-degree shoulder) for tooth restoration. The efficacy will be evaluated by marginal fit, marginal discoloration, and integrity of restoration.
methodsThe proposed flat and 90-degree shoulder marginal endocrown assessment trial is an open-label, parallel-group, multicenter randomized controlled trial involving two hospitals. A total of 200 patients will be included in this trial, and the following patient inclusion criteria will be applied: good oral hygiene habits, no periodontal diseases, receipt of standard root canal treatment, and need for endocrown restoration. Patients will be enrolled after providing signed informed consent and will be divided into two groups (flat and 90-degree shoulder endocrown) in accordance with a random number table. Treatment allocation will be balanced (1:1). Endocrowns will be cemented by dual-cured luting composite. Clinical evaluations will be performed at baseline and at 24 months after treatment in accordance with modified US Public Health Service criteria by two independent evaluators. The primary outcome will be marginal fit; secondary outcome measures will include debonding, marginal discoloration, and integrity of restoration. All acquired data will be analyzed by an independent statistician. Wilcoxon one-sample tests will be used for intra-group comparisons, and Wilcoxon two-sample tests will be used for inter-group comparisons. The Bonferroni method will be used to correct for multiple comparisons, and hierarchical logistic regression will be applied to determine central effects. DISCUSSION: The results of this trial will provide a clinical basis for clinicians to restore teeth by endocrowns and to improve long-term restoration for patients.
trial registrationClinicalTrials.gov identifier: NCT03398395. Registered on 12 January 2018.
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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.