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Applied Sciences
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Research on Endodontic Treatment Methods and Materials
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Research on Endodontic Treatment Methods and Materials

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Applied Dentistry and Oral Sciences".

Deadline for manuscript submissions: 30 July 2024 | Viewed by 5328

Special Issue Editors

Dr. Márk Antal

E-Mail Website
Guest Editor
Department of Esthetic and Operative Dentistry, Faculty of Dentistry, University of Szeged, 6720 Szeged, Hungary
Interests: endodontic microsurgery
Dr. Márk Fráter

E-Mail Website
Guest Editor
Department of Esthetic and Operative Dentistry, Faculty of Dentistry, University of Szeged, 6720 Szeged, Hungary
Interests: resin composite; fiber-reinforced composite; root canal-treated teeth; fracture resistance; direct restoration; adhesive restoration
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The first two decades of the 21st century have seen spectacular developments in the dental sciences and related technologies, which have also transformed the way we think of endodontics. What was once not much more than root canal treatment is now an entire complex subdiscipline of dentistry equipped with an armamentarium of the latest technologies, including surgical microscopes, high-resolution digital imaging and computer-assisted guided surgery tailored to the individual patient’s needs. This development offers the practitioner an ever-growing set of tools to save patients’ teeth with ever-growing success rates.

This Special Issue aims to provide an overview of the latest research in endodontics and endodontic surgery, from bench science to chairside and clinical studies. The Special Issue features studies that can further our understanding of the latest issues and developments in the field and help the readers familiarize themselves with the state of the art in endodontics.

Topics of potential interest include (the list is not exhaustive):

  • Static and dynamic navigation in endodontic surgery;
  • The role and accuracy of digital (CBCT) imaging in endodontics;
  • The advantages and limitations of new technologies;
  • Success and survival in endodontics;
  • Materials and material-related issues; 
  • Preclinical research regarding emerging endodontic techniques.

Dr. Márk Antal
Dr. Márk Fráter
Guest Editors

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 100 words) can be sent to the Editorial Office for announcement on this website.

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. Applied Sciences 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 2400 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

  • endodontics
  • endodontic surgery
  • static guidance
  • dynamic guidance
  • endodontic anatomy
  • periapical anatomy
  • precision of endodontic interventions
  • success of endodontic interventions

Published Papers (6 papers)

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Research

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12 pages, 1842 KiB  
Article
Efficacy of Different Irrigation Activation Techniques on Dentinal Tubule Penetration of the Novel AH-Plus Bioceramic Sealer
by Alhasan Almasri, Mohamad Abduljalil and Umut Aksoy
Appl. Sci. 2024, 14(2), 701; https://doi.org/10.3390/app14020701 - 14 Jan 2024
Viewed by 783
Abstract
This study aimed to assess the penetration of AH-Plus (AHP) and AH-Plus Bioceramic (AHPB) sealers into dentinal tubules subsequent to different irrigation activation protocols. One hundred fifty teeth were divided into five groups according to the final irrigation protocol: conventional syringe irrigation (CSI), [...] Read more.
This study aimed to assess the penetration of AH-Plus (AHP) and AH-Plus Bioceramic (AHPB) sealers into dentinal tubules subsequent to different irrigation activation protocols. One hundred fifty teeth were divided into five groups according to the final irrigation protocol: conventional syringe irrigation (CSI), EndoActivator (EA), passive ultrasonic irrigation (PUI), Er,Cr:YSGG laser, and SWEEPS. Then, the teeth were divided into two subgroups (n = 15) according to the canal sealer type. The maximum penetration depth (MPD) point and percentage of the sealer were evaluated using confocal laser scanning microscopy. Then, the data were statistically analyzed. The highest MPD values were observed in the SWEEPS groups, while the lowest value was in the CSI groups. Considering the effect of the sealer type and irrigation protocol interaction, there was a significant difference between the Er,Cr:YSGG laser, and EA groups for the AHPB sealer (p < 0.05), while it was insignificant for the AHP sealer (p > 0.05). The AHP and AHPB sealers statistically presented similar penetration properties. Laser-activated irrigation presented a higher sealer penetration compared to the other techniques. Full article
(This article belongs to the Special Issue Research on Endodontic Treatment Methods and Materials)
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11 pages, 1054 KiB  
Article
Comparative Study of the Expansive Behaviour of Different Internal Bleaching Agents
by Alba Pallarés-Serrano, Sandra Pallarés-Serrano, Antonio Pallarés-Serrano, Guillermo Martinez-Martinez and Antonio Pallarés-Sabater
Appl. Sci. 2024, 14(2), 532; https://doi.org/10.3390/app14020532 - 08 Jan 2024
Viewed by 620
Abstract
Internal bleaching is a conservative treatment applied to a darkened endodontically treated tooth to restore its original colour, either as a single treatment or as a treatment prior to a subsequent prosthetic phase. The aim of this study was to objectively measure and [...] Read more.
Internal bleaching is a conservative treatment applied to a darkened endodontically treated tooth to restore its original colour, either as a single treatment or as a treatment prior to a subsequent prosthetic phase. The aim of this study was to objectively measure and compare using an experimental model the expansive capacity of four bleaching groups: carbamide peroxide 37% (CP 37%), hydrogen peroxide 30% (HP 30%), HP 30% mixed with sodium perborate (SP) and SP mixed with distilled water. A total of 150 lower incisors (n = 30 in each group) were prepared for the Walking Bleach technique and a glass tube with oil was introduced into the coronal access cavity to measure the expansive capacity through oil displacement, due to the reaction that occurs when bleaching agents interact with dental tissues. The results after 10 days were analysed with the Games–Howell post hoc test to compare the samples. Significant higher expansion was observed with HP 30% (p < 0.05) and lower expansion with SP (p < 0.05) compared to the other groups. No significant differences were observed between CP 37% (p > 0.05) and HP 30% + SP (p > 0.05). This provides significant and observable information on the behaviour of each bleaching group and its evolution after 10 days. Full article
(This article belongs to the Special Issue Research on Endodontic Treatment Methods and Materials)
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10 pages, 1316 KiB  
Article
Effect of Intermediate Irrigation on Temperature Rise during Broken NiTi File Removal Using Ultrasonic Device
by László Pintér, Károly Krajczár, Fanni Őry, József Szalma and Edina Lempel
Appl. Sci. 2023, 13(17), 9761; https://doi.org/10.3390/app13179761 - 29 Aug 2023
Viewed by 1151
Abstract
Endodontic preparation with ultrasonic instruments can lead to temperature rise (TR) on the external root surface (ERF), which may damage the periodontium. The aim was to measure the TR due to the ultrasonic preparation applied at different energy levels and durations during the [...] Read more.
Endodontic preparation with ultrasonic instruments can lead to temperature rise (TR) on the external root surface (ERF), which may damage the periodontium. The aim was to measure the TR due to the ultrasonic preparation applied at different energy levels and durations during the removal of broken endodontic instrument from the root canal. Thirty-five maxillary central incisors were decoronated and 4 mm of NiTi instruments were fractured 5 mm from the most coronal part of the root. The roots were divided into seven groups according to the preparation mode (endodontic-E5, periodontal-P3) and preparation duration (30 s, 45 s, 60 s). Ultrasonic preparation was performed in periods consisting of four preparation phases with intermediate irrigations and drying. During all preparations, the TR was recorded on ERF using a K-type thermocouple. The results demonstrated that the TR measured at the end of the preparation period was higher than at baseline in all groups (p < 0.001). The largest TR (8.0 ± 0.5 °C) occurred at high energy level (P3) with 60 s preparation duration (p < 0.001). The TR measured after rinsing was significantly lower than before rinsing (p < 0.001). In conclusion, rinsing between ultrasonic preparation phases can reduce the TR, which might be potentially harmful using high-energy exceeding 60 s. Full article
(This article belongs to the Special Issue Research on Endodontic Treatment Methods and Materials)
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11 pages, 4716 KiB  
Article
Comparison of the Three-Dimensional Accuracy of Guided Apicoectomy Performed with a Drill or a Trephine: An In Vitro Study
by Ramóna Kiscsatári, Eszter Nagy, Máté Szabó, Gábor Braunitzer, József Piffkó, Márk Fráter and Márk Ádám Antal
Appl. Sci. 2023, 13(17), 9642; https://doi.org/10.3390/app13179642 - 25 Aug 2023
Viewed by 681
Abstract
Guided apicoectomy performed with 3D-printed polymer-based static surgical guides is an emerging trend in endodontic surgery. Static-guided apicoectomy is carried out with either a drill or a trephine. The aim of this in vitro study was to assess the accuracy of osteotomy and [...] Read more.
Guided apicoectomy performed with 3D-printed polymer-based static surgical guides is an emerging trend in endodontic surgery. Static-guided apicoectomy is carried out with either a drill or a trephine. The aim of this in vitro study was to assess the accuracy of osteotomy and apicoectomy performed through a polymer guide, with both drill and trephine, and to compare the accuracy achievable with the two instruments. Six plaster models of a maxilla master model with extracted human maxillary teeth in polymethyl-methacrylate resin were used. The modeled osteotomies were performed in these. The master model was CBCT-scanned, and digital surgical plans were prepared, based on which the surgical guides were printed. The plans contained both drill and trephine apicoectomies. Digital three-dimensional position analysis was performed with dedicated algorithms. A total of 39 drill and 47 trephine osteotomies were analyzed. A statistically significant difference between the two instruments was found only in the global deviation of the distal endpoint, indicating lower deviation for the trephine procedure (1.53 mm vs. 1.31 mm, p = 0.038). Nevertheless, from a clinical perspective, this distinction is inconsequential. The results suggest that, for all practical purposes, the two approaches to apicoectomy allow the same level of accuracy. Full article
(This article belongs to the Special Issue Research on Endodontic Treatment Methods and Materials)
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11 pages, 5185 KiB  
Article
An Exploratory In Vitro Microcomputed Tomographic Investigation of the Efficacy of Semicircular Apicoectomy Performed with Trephine Bur
by Eszter Nagy, Brigitta Vőneki, Lívia Vásárhelyi, Imre Szenti, Márk Fráter, Ákos Kukovecz and Márk Ádám Antal
Appl. Sci. 2023, 13(16), 9431; https://doi.org/10.3390/app13169431 - 20 Aug 2023
Viewed by 768
Abstract
Purpose: Recently, a novel approach to apicoectomy has emerged, involving the use of a hollow trephine with a surgical guide. This innovative technique creates a semicircular section, in contrast to the conventional straight cut (with a bur). The semicircular shape of this section [...] Read more.
Purpose: Recently, a novel approach to apicoectomy has emerged, involving the use of a hollow trephine with a surgical guide. This innovative technique creates a semicircular section, in contrast to the conventional straight cut (with a bur). The semicircular shape of this section raises questions about the method’s effectiveness in eliminating supernumerary canals (SNCs), which are auxiliary canals alongside the main root canal. These canals pose a risk of further infection if not thoroughly eliminated. The aim of this exploratory study was to assess the efficacy of the proposed method in the removal of SNCs. Methods: A sample of 200 extracted single-rooted human teeth was rigorously narrowed down by multiple steps to 33 specimens that contained SNCs in the apical third. These specimens underwent apical semicircular sectioning, removing the apical 3 mm of the root. The specimens then underwent repeated CT scanning. For samples with residual SNCs, the section was transformed into a straight section and another CT scan was performed. Results: The semicircular section eliminated all SNCs in 94% of the specimens, and it eliminated 97.3% of the SNCs in all specimens. The straight-line sectioning eliminated 98.6% of all SNCs and eliminated all SNCs in 96.97% of the SNC-containing teeth. Conclusions: The efficacy of semicircular apicoectomy performed with a trephine appears to be comparable (χ2 = 1.00, df = 1, and p = 0.317) to that of the conventional straight apicoectomy performed with a bur as reported in the literature. Full article
(This article belongs to the Special Issue Research on Endodontic Treatment Methods and Materials)
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0 pages, 1596 KiB  
Case Report
Idiopathic External Cervical Resorption of the Impacted Second Premolar: A Case Report
by Eglė Zasčiurinskienė, Liveta Rastokaitė, Pedram Hosseinzadehfard and Greta Lodienė
Appl. Sci. 2023, 13(20), 11383; https://doi.org/10.3390/app132011383 - 17 Oct 2023
Viewed by 766
Abstract
The tooth impaction of the lower second premolars is an occasional condition but is still seen in clinical practice with a prevalence of 0.6–2.6%. The present case report describes a rare condition of the lower second premolar impaction. An 11-year-old female patient presented [...] Read more.
The tooth impaction of the lower second premolars is an occasional condition but is still seen in clinical practice with a prevalence of 0.6–2.6%. The present case report describes a rare condition of the lower second premolar impaction. An 11-year-old female patient presented with the anteroposterior dental discrepancy, midline shift, and occlusal cant. Intraoral examination revealed the absence of the lower right second premolar with no space available for the eruption. X-ray examination revealed the impaction of tooth #45 in a vertical position, tilting of the adjacent teeth, and two-thirds root length development. The orthodontic treatment plan included space opening using a fixed appliance with a coil spring. The natural eruption of the tooth was expected according to dental age and root development. When the space was opened, no change in the position of tooth #45 was observed. Surgical exposure and active traction were performed. However, the intrusion and tilting of adjacent teeth were observed during the next appointments with no vertical change of tooth #45. Ankylosis was suspected as no tooth movement was recorded. The surgical luxation and osteotomy of the coronal alveolar bone of the impacted tooth were planned for the imminent forced eruption, which was expected due to the young age of the patient. Consequently, the crown of tooth #45 emerged and the bracket was placed. Further traction was planned to use a micro-screw. Following the traction, no vertical displacement of the tooth was observed in the subsequent appointments. Radiographic examination revealed radiolucency in the coronal third of the root. The patient was referred to the endodontist, and CBCT revealed external cervical root resorption in the late reparative stage. ECR in an impacted tooth, mimicking the manifestation of tooth ankylosis, can cause orthodontic treatment failure. Full article
(This article belongs to the Special Issue Research on Endodontic Treatment Methods and Materials)
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