Continuous Chelation Reduces Instrumentation Time and Straightening of Double-curved Simulated Root Canals in Bovine Dentin.

Introduction: Adding a compatible chelator to the sodium hypochlorite (NaOCl) solution applied during instrumentation may affect shaping efficacy and canal transportation. This was studied in simulated double-curved root canals.

Methods: High-precision computer numerical control milling was used to recreate standardized S-shaped canals from a resin training block in longitudinally sectioned bovine incisor roots.

Is a Pre-Existent Cone-Beam Computed Tomography Able to Detect Metal Dental Posts?

(1) Background: In this study, the efficacy of cone-beam computed tomography (CBCT) in detecting dental posts was compared to periapical radiography. (2) Methods: A retrospective evaluation of 53 patients' periapical radiographs and CBCT images was performed. The presence and type of the intra-canal dental post were initially determined on the periapical images (PA) radiographs' examination and were then compared to the observer's ability to detect the dental post on a CBCT image.

Epoxy vs. Calcium Silicate-Based Root Canal Sealers for Different Clinical Scenarios: A Narrative Review.

This study aimed to review the considerations for choosing a suitable sealer according to various endodontic scenarios. An electronic search of PubMed, Scopus, and the Web of Science was undertaken for the keywords of 'sealer choosing', 'appropriate sealer', 'suitable sealer', 'sealer for clinical scenario', and 'sealer for clinical situations'. However, the literature review revealed a lack of studies with practical clinical recommendations regarding the choice of appropriate endodontic root canal sealers for particular clinical situations of root canal treatment.

The ability of different compositions of calcium silicate and epoxy sealers to withstand gutta percha removal via in vitro pull-out testing.

Objective: examination of the influence of chemical composition changes on the ability of sealers to withstand a pull-out test.

Materials And Methods: Fifty distal or palatal canals of extracted teeth were prepared by Dc Taper files. The teeth were divided into five groups: AH Plus, BJM RCS, Total Fill BC,AH Plus Bioceramic and a group with Gutta Percha with no sealer added.

Association of Nationwide Water Fluoridation, changes in dental care legislation, and caries-related treatment needs: A 9-year record-based cross-sectional study.

Objectives: The implementation of Nationwide Water Fluoridation in Israel in 2002 led to a significant reduction in caries among children. However, this practice was discontinued in 2014 due to a change in legislation. In 2010, as part of the Israeli National Health Insurance Law, free dental care for children under 10 years of age was legislated.

Systemic antibiotics in endodontics-International questionnaire study: Choice of types, dosage, loading and duration.

The aim of the study was to investigate the systematic antibiotics (SAs) prescribing practices in the endodontic practice worldwide. 7500 general practitioners, postgraduate students and endodontists from Israel and the former Soviet Union (FSU) states were invited to fill in an online questionnaire. The first-choice SA was amoxicillin (80.

Retrograde peri-implantitis: incidence and possible co-existing factors: a retrospective analysis.

Objectives: To evaluate the incidence of retrograde peri-implantitis (RPI) generally and the incidence of RPI with an endodontic-treated adjacent tooth and/or a periapical radiolucency.

Method: The retrospective case-control study included the follow-up periapical images of single dental implants. Two calibrated graduate endodontic residents evaluated simultaneously the presence of RPI and the adjacent teeth status (a previous root canal treatment (RCT) and the periapical status).

Antimicrobial evaluation of polytetrafluoroethylene used as part of temporary restorations: An ex vivo study.

The use of polytetrafluoroethylene (PTFE) tape as the base layer of temporary restorations had gained popularity mainly due to the ease of manipulation. The aim of this study was to assess whether this method changes the potential for bacterial growth and leakage of temporary restorations. The direct contact test and live/dead fluorescent staining were used for comparing Enterococcus faecalis growth and biofilm formation on PTFE, composite, intermediate restorative material (IRM) and Coltosol F.

International questionnaire study on systemic antibiotics in endodontics. Part 1. Prescribing practices for endodontic diagnoses and clinical scenarios.

Objectives: Part 1 of this two-part study aims to investigate systemic antibiotics (SA) prescribing practices for various endodontic diagnoses and clinical scenarios by general practitioners, post-graduate students and endodontists in Israel and the former Soviet Union (FSU) states.

Materials And Methods: A total of 7500 dentists from Israel and FSU states were invited to fill in an online questionnaire. The questionnaire consisted the SA prescribing for endodontic diagnoses and clinical scenarios (post operative pain, post apical surgery and post avulsion).

Long-term dental implications of infant oral mutilation: a case series.

Infant oral mutilation (IOM) is a ritual ceremony practised mostly in African cultures, in which the primary tooth bud of the deciduous canine is extracted. Complications and risks of IOM include pain, heavy bleeding and infection that may deteriorate to life-threating conditions. The main long-term consequence of IOM is future dental abnormalities.

A Rare Case of Multiple Internal Root Resorption after the Delayed Treatment of a Traumatic Injury: A Case Report.

Aim: The objective of this case report was to present a rare case of simultaneous multiple internal root resorption (IRR) in four mandibular incisors and discuss the possible etiology and suitable armamentarium for its treatment based on different morphological considerations.

Background: IRR in permanent dentition is a rare pathological condition and its etiology is not yet fully understood. Very few cases of multiple IRR were reported.

Use of Cone-beam Computed Tomography as a Critical Component in the Diagnosis of an Infected Nasopalatine Duct Cyst Mimicking Chronic Apical Abscess: A Case Report.

Nasopalatine duct cysts (NPDCs) and other nonodontogenic lesions of the oral cavity may mimic odontogenic pathoses. We present a case of a 22-year-old man with a history of dental trauma and a lesion displaying the typical clinical and radiographic signs of a chronic apical abscess- a buccal sinus tract that was traced to a radiolucent area in the periapex of a maxillary central incisor. A comprehensive diagnostic process that included a cone-beam computed tomographic scan and a histopathologic examination of the lesion after complete enucleation led to the final diagnosis of an infected NPDC.

Accuracy and stability of electronic apex locator length measurements in root canals with wide apical foramen: an ex vivo study.

The aim of the current study was to determine the accuracy of electronic apex locator (EAL) measurements when using files of different sizes in roots with wide apical foramina while considering a new parameter of stability of EAL reading. Ten teeth with straight roots were subjected to a sequential widening of the apical foramen to 0.6, 0.

Radicular Grooves and Complex Root Morphologies of Mandibular Premolars Among Israeli Population.

Introduction: Mandibular premolars usually have one root and one root canal. Different studies found that up to 30% of mandibular premolars have more than one root canal, and up to 24% of mandibular premolars have C-shape canals. The purpose of this study was to investigate the root anatomy and the prevalence of complex root canal morphology in mandibular premolars in Israeli population.

Age-dependent root canal instrumentation techniques: a comprehensive narrative review.

The aim of this article was to review age-dependent clinical recommendations for appropriate root canal instrumentation techniques. A comprehensive narrative review of canal morphology, the structural characteristics of dentin, and endodontic outcomes at different ages was undertaken instead of a systematic review. An electronic literature search was carried out, including the Medline (Ovid), PubMed, and Web of Science databases.

Autotransplantation after primary bone repair of a recipient site with a large periradicular lesion: a case report.

Aim: To describe a case of autotransplantation nine weeks after the extraction of a hopeless tooth with a large periradicular lesion, which enabled the healing of the recipient site.

Summary: A 19-year-old male in generally good health was referred for evaluation of tooth 46. Clinically, there were class III mobility and sensitivity to percussion and palpation.

Cone-beam Computed Tomography as a Noninvasive Assistance Tool for Oral Cutaneous Sinus Tract Diagnosis: A Case Series.

An oral cutaneous sinus tract is a relatively uncommon condition that is generally associated with long-standing periapical inflammation. The traditional process of oral cutaneous sinus tract diagnosis is an invasive method based on the insertion of a lacrimal probe or wire. The present article describes the use of cone-beam computed tomographic imaging as a noninvasive assistant tool for the verification of the odontogenic origin.

Ludwig Angina after First Aid Treatment: Possible Etiologies and Prevention-Case Report.

Ludwig angina is a life-threatening type of soft tissue cellulitis involving 3 compartments on the floor of the mouth including the submental, sublingual, and submandibular spaces bilaterally. Prevention, early recognition, and treatment of Ludwig angina are critical because this is a clinical diagnosis with unpredictable progression. This article describes a rare case of Ludwig angina that evolved from an odontogenic infection and the specific microbiology and clinical course and discusses possible etiologies and prevention.

CBCT analyses of advanced cervical resorption aid in selection of treatment modalities: a retrospective analysis.

Objectives: The selection of treatment for advanced (classes 3 and 4) invasive cervical resorption (ICR) based on a two-dimensional periapical radiograph is challenging. The purpose of the present study is to describe different treatment approaches for advanced invasive cervical resorption based on cone-beam computed tomography evaluation.

Materials And Methods: All cases of advanced ICR based on CBCT evaluation in our endodontic department between 2011 and 2016 were included in the study.

External invasive resorption: Possible coexisting factors and demographic and clinical characteristics.

The purpose of this retrospective study was to identify the coexisting factors for EIR and to characterise EIR clinically and demographically. All cases of EIR that were referred to the endodontic department between 2011 to 2016 and diagnosed by an endodontist were evaluated. Demographic and clinical characteristics were collected and evaluated.

External invasive resorption: Case report of a rapidly progressive process in an impacted maxillary canine during orthodontic treatment.

External invasive resorption (EIR) is a type of external resorption that can involve the coronal, middle and apical parts of the root in its advanced stages and results in progressive loss of tooth structure. Common potential predisposing factors for EIR are orthodontic treatment and trauma. The EIR progression rate has not been described previously.

Relationship between Root Apices and the Mandibular Canal: A Cone-beam Computed Tomographic Comparison of 3 Populations.

Introduction: This study aimed to investigate the difference in the location of the inferior alveolar nerve (IAN) in relation to the apices of mandibular molars in 3 different populations using cone-beam computed tomographic (CBCT) imaging and to assess the proportion of teeth in close proximity (a distance of 1 mm or less) to the IAN.

Methods: Random CBCT images (N = 1224, Israel = 408, South Korea = 416, and India = 400) were examined. The shortest distance to the mandibular canal was measured by imaging software.