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Oral
Special Issues
Advanced Radiographic Techniques in Endodontics
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Advanced Radiographic Techniques in Endodontics

A special issue of Oral (ISSN 2673-6373).

Deadline for manuscript submissions: 20 September 2026 | Viewed by 2524

Special Issue Editor

Dr. Jörg Philipp Tchorz

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Guest Editor
Division for Endodontics, Center for Operative Dentistry and Periodontology, Department of Dentistry, Faculty of Medicine and Dentistry, Danube Private University, 3500 Krems, Austria
Interests: dental radiology; cone-beam computed tomography; CBCT; endodontics; guided endodontics

Special Issue Information

Dear Colleagues,

Advanced radiographic techniques have revolutionized modern endodontics, offering high-resolution imaging that enhances diagnostic accuracy, facilitates effective treatment planning, and improves clinical outcomes. This Special Issue invites contributions exploring the latest innovations in radiographic imaging for endodontics, including but not limited to:

  • Detection and characterization of periapical pathologies;
  • Analysis of complex root canal anatomy;
  • Optimization of clinical decision-making and treatment strategies.

A key focus will also be the integration of artificial intelligence (AI) with advanced radiographic techniques, examining its potential to improve diagnostic precision, automate image analysis, and streamline clinical workflows.

We welcome original research, comprehensive reviews, and illustrative case studies that demonstrate evidence-based innovations and future directions in radiographic-assisted endodontics.

Dr. Jörg Philipp Tchorz
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 250 words) can be sent to the Editorial Office for assessment.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Oral is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 1200 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • artificial intelligence (AI)
  • cone-beam computed tomography (CBCT)
  • dental radiology
  • endodontics
  • endodontic treatment planning
  • endodontic decision-making
  • guided endodontics

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Further information on MDPI's Special Issue policies can be found here.

Published Papers (2 papers)

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Research

16 pages, 1578 KB  
Article
Pulpal Chamber Floor Thickness of First Molars in a Black South African Sample
by Marisca Meyer, Casper Hendrik Jonker, Sandeepa Rajbaran-Singh, Federico Foschi and Anna Catherina Oettlé
Oral 2026, 6(2), 33; https://doi.org/10.3390/oral6020033 - 12 Mar 2026
Viewed by 968
Abstract
Background/Objectives: Root canal procedures on multi-rooted teeth, including first molars, depend on experience, tactile perception, and anatomical knowledge to avoid perforation in the furcation region. Studies using various methodologies and populations have reported discrepant findings on pulpal floor thickness. No study using micro-computed [...] Read more.
Background/Objectives: Root canal procedures on multi-rooted teeth, including first molars, depend on experience, tactile perception, and anatomical knowledge to avoid perforation in the furcation region. Studies using various methodologies and populations have reported discrepant findings on pulpal floor thickness. No study using micro-computed tomography (Micro-CT), the gold standard, has been conducted on a Black South African sample to evaluate pulpal floor thickness. Methods: In this cross-sectional, descriptive, quantitative study, Micro-CT scans of 91 maxillary and 77 mandibular first molars were reconstructed in 3D and oriented according to a reference plane along the cemento-enamel junction using Avizo software. Measurements were taken from the midpoint of the pulpal chamber floor to the perpendicular point on the furcation. In maxillary molars, an additional measurement between the mesiobuccal and distobuccal roots was taken. The effects of arch, side, age, and sex were assessed. Results: Neither sex, arch, nor side had a significant influence on the pulpal floor thickness. The central mandibular and maxillary pulpal floor thicknesses increased significantly with aging, while the effect on the buccal maxillary pulpal floor thickness was not significant. The mean central mandibular and maxillary pulpal floor thicknesses were 2.66 and 2.83 mm, respectively, while the buccal maxillary pulpal floor thickness was significantly smaller at 2.37 mm. Conclusions: More accurate and repeatable findings compared to the literature could be attributed to the use of Micro-CT, which provides higher resolution images, and to Avizo, which enables precise localization of 3D points. Variations from the literature might also be explained by differences in the age and geographical origin of the samples. Full article
(This article belongs to the Special Issue Advanced Radiographic Techniques in Endodontics)
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9 pages, 2221 KB  
Article
Head Tilt as a Technique to Reduce Contralateral Arch Artifacts in Small Field of View Cone Beam Computed Tomography Imaging
by Dominik Niklas Elvers, Marius Meier, Dritan Turhani, Sebastian Fitzek, Philipp Johann Poxleitner and Jörg Philipp Tchorz
Oral 2026, 6(2), 29; https://doi.org/10.3390/oral6020029 - 9 Mar 2026
Viewed by 836
Abstract
Background/Objectives: Cone beam computed tomography (CBCT) is vital in endodontics but suffers from beam-hardening artifacts caused by metallic restorations, which can obscure diagnostic details. This study evaluated a novel patient positioning protocol—a controlled head tilt—designed to mitigate these artifacts by moving contralateral metallic [...] Read more.
Background/Objectives: Cone beam computed tomography (CBCT) is vital in endodontics but suffers from beam-hardening artifacts caused by metallic restorations, which can obscure diagnostic details. This study evaluated a novel patient positioning protocol—a controlled head tilt—designed to mitigate these artifacts by moving contralateral metallic structures outside the primary X-ray path in small field of view (FoV) CBCTs. Methods: Using a skull phantom with metallic restorations CBCT scans were acquired in three positions: standard alignment, a 12° tilt toward the region of interest (ROI), and a 12° tilt to the opposite side. Fifty experienced dentists, blinded to the protocol, subjectively compared image quality and artifact severity between the tilted and reference images. Results: The tilt away from the ROI was rated as providing better image quality significantly more often than the tilt towards the side of the ROI (442 of 585 non-tied comparisons; p < 0.001). A complementary rater-clustered GEE analysis adjusted for slide confirmed higher odds of “better” ratings under head tilt away from the ROI for image quality (OR = 4.16, 95% CI 3.12–5.56) and artefacts (OR = 2.87, 95% CI 1.93–4.26). An individual head tilt significantly improves subjective small-FoV CBCT image quality, most evidently in the longitudinal plane, by reducing artifact interference from contralateral metals, and should be considered a practical strategy for clinical use, and may serve as a practical chairside strategy, pending clinical validation. Full article
(This article belongs to the Special Issue Advanced Radiographic Techniques in Endodontics)
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