ArticleScientific reports2021
The C-shaped root canal systems in mandibular second molars in an Emirati population.
Article in Scientific reports, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 17 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
17 citing papers in PubMed, 2 syntheses or guidelines pooled it, 26 citations in OpenAlex.
- Prevalence of c-shaped canal morphology in premolar and molar teeth assessed by cone-beam computed tomography: systematic review and meta-analysis.BMC oral health · 2025Pooled it
- Anatomical Evaluation of Root and Root Canal Morphology of Permanent Mandibular Dentition among the Saudi Arabian Population: A Systematic Review.BioMed research international · 2022Pooled it
- C-Shaped Root Canal Morphology in Mandibular Posterior Teeth-A Retrospective CBCT Study Based on Two Classification Systems.Diagnostics (Basel, Switzerland) · 2026Article
- Relationship between C-shaped root canal configuration in mandibular second molars and radix entomolaris in mandibular first molars: a CBCT-based study in a Western Chinese population.Clinical oral investigations · 2026Article
- CBCT-Based Epidemiological Study of Root and Root Canal Anatomy in Mandibular Second Molars in an Italian Clinical Cohort.Journal of clinical medicine · 2026Article
- Root canal and nasopalatine canal morphology in a Guangxi population: a cone-beam CT study on regional variations.BMC oral health · 2026Article
- Bilateral Occurrence of Mandibular Permanent Second Molar With Four Roots: A Case Report and Literature Review.Case reports in dentistry · 2026Article
- Imaging Findings of Clinical Significance in Endodontics During Cone Beam Computed Tomography Scanning of the Upper Airway-The Anterior, Bilateral, C-Shaped, Dual of Mandibular Root Canals: A Brief Case Report.Diagnostics (Basel, Switzerland) · 2025Article
- Root and canal morphology of mandibular second molars in a Chinese Kazakh population by cone-beam computed tomography.BMC oral health · 2025Article
- Evaluation of the Root and Canal Morphology of Maxillary and Mandibular Premolars in an Emirati Sub-Population.International dental journal · 2025Article
- C-shaped root canal systems in the bilateral mandibular first molars: a case report and literature review.BMC oral health · 2025Review
- Anatomical features of mandibular second molar C-shaped root canals in a Chinese population: a CBCT analysis.Surgical and radiologic anatomy : SRA · 2025Article
- Evaluation of Mental Foramen and Mandibular Canal Course and Location in an Emirati Subpopulation.International dental journal · 2024Article
- Prevalence ofHeliyon · 2024Article
- Association of root morphology of mandibular second molars on panoramic-like and axial views of cone-beam computed tomography.BMC oral health · 2023Article
- Prevalence and correlation of C-shaped root canals of mandibular premolars and molars in Eastern Chinese individuals.Scientific reports · 2022Article
- A CBCT based cross sectional study on the prevalence and anatomical feature of C shaped molar among Jordanian.Scientific reports · 2022Article
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 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Our study aimed to describe the root and canal morphology of mandibular second molars in Emirati population and to study the prevalence and types of morphological change in C-shaped canal configuration along the root length in an effort to describe C-shaped molars as a unit. Cone beam computed tomography (CBCT) scans of Emirati patients were analyzed in multiple plans and root and canal configuration of mandibular second molars were evaluated. Moreover, specific types of morphological change in C-shaped canal configuration along root length were studied and reconstructed using 3D reconstruction software. A total of 508 mandibular second molars were evaluated. Among the non-C-shaped mandibular second molars, two separate roots were the most prevalent root morphology (78.3%). The mesial root's most common root canal configuration was Vertucci Type II (46.5%), and in the distal root, Vertucci Type I (90.5%). The prevalence of C-shaped mandibular second molars was 17.9% and was significantly prevalent (P < 0.001) in females. Specific types of morphological change in C-shaped molars along the root length were observed and described for the first time, in which the most common types of morphological change were C1-C2-C3d (18%), C1-C3c-C3d (15.4%), C4-C3c-C3d (7.7%), and C3c-C3c-C3d (7.7%). This study showed wide variations in the root and canal morphology in mandibular second molars in Emirati population with a relatively high prevalence of C-shaped canal configuration (17.9%). Moreover, specific types of morphological change in C-shaped configuration were detected and described for the first time in this population.
Indexed as
Identifiers
What OpenQuestion holds
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.