ArticleClinical oral investigations2017
External root resorption of the second molar associated with mesially and horizontally impacted mandibular third molar: evidence from cone beam computed tomography.
Article in Clinical oral investigations, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT07244029 (Evaluation of Aescin-Based Herbal Extracts for Managing Postoperative Sequelae Following Impacted Mandibular Third Molar Surgery), which is not on this map. Cited by 41 papers, 1 of them a synthesis that pooled it.
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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.
Evaluation of Aescin-Based Herbal Extracts for Managing Postoperative Sequelae Following Impacted Mandibular Third Molar Surgery: A Randomized, Single-Blind, Controlled Trial
Who cites it
41 citing papers in PubMed, 1 synthesis or guideline pooled it, 88 citations in OpenAlex.
- Association between impacted third molars and external root resorption on adjacent second molars based on cone-beam computed tomography: a systematic review and meta-analysis.BMC oral health · 2026Pooled it
- Trial
- Efficacy of a drug composed of herbal extracts on postoperative discomfort after surgical removal of impacted mandibular third molar: a randomized, triple-blind, controlled clinical trial.Clinical oral investigations · 2019Trial
- Anatomical Predictors of Second Molar External Root Resorption: A Cone-Beam Computed Tomography Study of Impacted Third Molars.International dental journal · 2026Article
- Expert consensus on the management of third molar health.International journal of oral science · 2026Review
- Evaluating the Indications of Surgical Extraction of Impacted Lower Third Molar in the Oral Surgery Clinic, College of Dentistry, University of Sulaimani.BioMed research international · 2026Article
- Assessment of marginal bone loss, distal caries, and external root resorption in second molars adjacent to impacted third molars: a retrospective CBCT and panoramic study.BMC oral health · 2025Article
- Treatment of a first molar with external root resorption in the middle third using endodontic microsurgery and vital pulp therapy: a case report.BMC oral health · 2025Article
- Age-related prevalence and correlation of dental and periodontal lesions in second molars adjacent to mesioangular and horizontally impacted mandibular third molars: a CBCT study.BMC oral health · 2025Observational
- Assessing the Management and Evaluation of Impacted Wisdom Teeth in a Dental Teaching Hospital.Dentistry journal · 2025Article
- A Prediction Model for External Root Resorption of the Second Molars Associated With Third Molars.International dental journal · 2025Article
- External root resorption of second molars due to impacted third molars.Journal of clinical and experimental dentistry · 2024Article
- Prevalence and predictive parameters of external root resorption caused by retained wisdom teeth.Clinical oral investigations · 2024Article
- Digital technology-assisted extraction of impacted maxillary third molar located between the furcation of maxillary second molar by root dislocation: a case report.Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology · 2024Article
- Role of αENaC in root resorption of adjacent teeth due to entirely impacted mandibular third molars.BMC oral health · 2024Article
- Introducing a new auto edge detection technique capable of revealing cervical root resorption in CBCT scans with pronounced metallic artifacts.Scientific reports · 2024Article
- Relationship between the impacted mandibular third molar and adjacent second molar' external root resorption by cone-bean computed tomography analysis.Medicina oral, patologia oral y cirugia bucal · 2024Article
- Relationship between the Status of Third Molars and the Occurrence of Dental and Periodontal Lesions in Adjacent Second Molars in the Polish Population: A Radiological Retrospective Observational Study.Journal of clinical medicine · 2023Article
- The effect of impacted third molars on second molar external root resorption, a cross-sectional cone beam computed tomography study.Medicina oral, patologia oral y cirugia bucal · 2023Article
- Characterizations of three-dimensional root morphology and topological location of mandibular third molars by cone-beam computed tomography.Surgical and radiologic anatomy : SRA · 2023Article
Corrections and comments
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Authors and funding
9 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectivesThe aim of the present study was to assess the incidence and risk factors of ERR in second molars with mesially and horizontally impacted mandibular third molars using cone beam computed tomography (CBCT) images from patients in a Chinese tertiary referral hospital. MATERIALS AND
methodsA total number of 216 patients with 362 mesially and horizontally impacted mandibular third molars who were treated at our institution from 2014 to 2015 was retrospectively included. The ERR in second molars was identified on CBCT multiplanar images. The associations between incidence of ERR and multiple clinical parameters were statistically analyzed by Chi-square test. Moreover, the risk factors for ERR in second molars were further assessed by multivariate regression analysis.
resultsThe overall incidence of ERR in second molars was 20.17 % (73/362) as detected on CBCT images. The presence of ERR significantly associated with patients age and impaction depth of mandibular third molars. However, no significant relationship was found between ERR severity and impaction depth or ERR location. Multivariate regression analyses further revealed age over 35 years and impaction depth as important risk factors affecting the ERR incidence caused by mesial and horizontal impaction of mandibular third molar.
conclusionsERR in second molar resulted from mesially and horizontally impacted mandibular third molar is not very rare and can be reliably identified via CBCT scan. CLINICAL RELEVANCE: Given the possibility of ERR associated with third molar impaction, the prophylactic removal of these impacted teeth could be considered especially for those patients with over 35 years and mesially and horizontally impacted teeth.
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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.