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Dentistry Journal
Special Issues
Present Status and Future Directions in Endodontics
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Present Status and Future Directions in Endodontics

A special issue of Dentistry Journal (ISSN 2304-6767).

Deadline for manuscript submissions: 31 December 2025 | Viewed by 3961

Special Issue Editor

Dr. Georgios Mikrogeorgis

E-Mail Website
Guest Editor
Department of Endodontology, School of Dentistry, Aristotle University of Thessaloniki, Thessaloniki, Greece
Interests: digital radiographic techniques; CBCT root canal instrumentation; root canal obturation; root fractures; Artificial Intelligence

Special Issue Information

Dear Colleagues,

Root canal treatment, which involves shaping, cleaning, and obturation, is the treatment of choice in cases of inflammatory lesions in the pulp and periapical tissues. Due to the increased prevalence of endodontic disease, the global percentage of people who have undergone at least one endodontic therapy is estimated to be up to 55.7%. The complexity of root canal anatomy, the relative stiffness of endodontic instruments, and the inadequacy of current methods to visualize the root canal space properly make intracanal work exceptionally demanding. Furthermore, the diversity in root canal anatomies poses a challenge for the clinician during access cavity preparation and chemomechanical preparation of the root canal space. The occurrence of procedural accidents, such as ledge formation, canal transportation, and root perforation, is a common mishap. Recent years have seen tremendous scientific and technological development, facilitating root canal treatment and enhancing the potential to increase its overall standard.

In this Special Issue entitled “Present Status and Future Directions in Endodontics”, researchers in the field of endodontology and traumatology are invited to present their research by publishing research articles, review articles, or brief communications.

Dr. Georgios Mikrogeorgis
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. Dentistry Journal is an international peer-reviewed open access monthly 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 2000 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

  • digital radiographic techniques
  • CBCT
  • root canal instrumentation
  • root canal obturation
  • root fractures
  • artificial intelligence
  • operating microscope

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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

17 pages, 8204 KB  
Article
Advanced Microstructural Investigation of the Endodontic Sealing Ability of Three Different Obturation Techniques
by Mihaela Păstrav, Radu Marcel Chisnoiu, Marioara Moldovan, Lucian Barbu Tudoran, Ioan Petean, Andrea Maria Chisnoiu and Ovidiu Păstrav
Dent. J. 2026, 14(1), 9; https://doi.org/10.3390/dj14010009 (registering DOI) - 23 Dec 2025
Abstract
Objectives: This study evaluated and compared the sealing ability and elemental composition of a resin-based endodontic sealer (AH Plus) used with three root canal obturation techniques: single cone (SC), lateral compaction (LC), and warm vertical condensation (WVC). The investigation focused on microstructural characteristics, [...] Read more.
Objectives: This study evaluated and compared the sealing ability and elemental composition of a resin-based endodontic sealer (AH Plus) used with three root canal obturation techniques: single cone (SC), lateral compaction (LC), and warm vertical condensation (WVC). The investigation focused on microstructural characteristics, interfacial integrity, and elemental distribution within filled root canals. Material and Methods: Sixty extracted single-root teeth were instrumented using the ProTaper Gold system and randomly assigned to three groups (n = 20) according to the obturation technique. The AH Plus Jet sealer was applied in all cases. Following obturation, samples were subjected to radiographic investigation and analyzed using optical microscopy and scanning electron microscopy (SEM) coupled with energy-dispersive X-ray spectroscopy (EDX) to assess the sealing performance and chemical composition. Results: Radiographic and microscopic assessments indicated that the SC method showed strong gutta-percha adhesion to dentin with a thin cement layer, whereas WVC provided excellent adaptation and penetration of gutta-percha. The LC technique demonstrated good adhesion but displayed occasional structural irregularities. SC has the thicker adhesion layer with uneven distribution regarding coronal, median, and apical, regions ranging from 45 to 80 μm, while WVC ensures a thin and uniform sealing layer of about 35 μm in all regions. SEM and EDX analyses detailed the interfacial microstructure and confirmed the presence of carbon (C), oxygen (O), calcium (Ca), zinc (Zn), barium (Ba), and sulfur (S) across all groups. Conclusions: All three obturation techniques (SC, WVC, LC) achieved effective sealing when combined with the AH Plus sealer. The main difference between the methods consists of the sealer layer thickness and its even distribution regarding gutta-percha cones. Full article
(This article belongs to the Special Issue Present Status and Future Directions in Endodontics)
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12 pages, 1788 KB  
Article
Comparative Evaluation of the Intratubular Penetration Ability of Two Retrograde Obturation Techniques in Micro-Endodontic Surgical Procedure: An In Vitro Study with Confocal Laser Scanning Microscopy
by Alberto Casino Alegre, Michell Ramírez López, Manuel Monterde Hernández, Susana Aranda Verdú, Jorge Rubio Climent and Antonio Pallarés Sabater
Dent. J. 2025, 13(11), 509; https://doi.org/10.3390/dj13110509 - 3 Nov 2025
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Abstract
Background: The development of calcium silicate materials and new techniques have resulted in significant clinical benefits in endodontics and microapical surgery. The objective of this investigation was to analyze the percentage of dentinal tubule penetration of two retrograde obturation techniques in microapical surgery, [...] Read more.
Background: The development of calcium silicate materials and new techniques have resulted in significant clinical benefits in endodontics and microapical surgery. The objective of this investigation was to analyze the percentage of dentinal tubule penetration of two retrograde obturation techniques in microapical surgery, namely the conventional technique and the lid technique. Methods: 60 single-root human teeth were selected, which were divided into two groups (n = 30). These teeth were subjected to an endodontic procedure using the single-cone technique. They were prepared with apicoectomy and 3 mm apical retrocavity and then obturated using two retrograde obturation techniques with bioceramic materials: TotalFill RRM fast set Putty® (RRM) using the conventional technique and TotalFill BC Sealer HiFlow® (HiFlow) and RRM using the lid technique. The teeth were selected and evaluated using 1 mm portions in the apical third. In each case, the images were obtained using a Leica TCS SP8 Confocal Microscope (CLSM). The extent of penetration into the dentinal tubule regions was measured using AutoCad®. Results: Statistical analyses were performed using the Levene test (p ≤ 0.05) and Student’s t-test (p ≤ 0.05). Analysis of the penetration area of calcium silicate materials into the dentinal tubules revealed that the relative penetration percentages were higher when using the conventional technique with the RRM than the lid technique with RRM + HiFlow in the apical third evaluated. Conclusion: The conventional technique yields significantly better outcomes, showing statistically significant differences in the percentage of penetration into the intratubular area compared to the lid technique. Full article
(This article belongs to the Special Issue Present Status and Future Directions in Endodontics)
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