A Survey on Cone-beam Computed Tomography Usage Among Endodontists in the United States.

Introduction: The aim of the study was to investigate the accessibility and frequency of cone-beam computed tomography (CBCT) usage and to assess the economic and logistical factors involved with its usage among active American Association of Endodontists (AAE) members, utilizing a web-based survey.

Methods: A survey of 19 questions was sent to 3,071 AAE members addressing participant access to, along with financial and logistical aspects of CBCT imaging. Descriptive analysis was performed and Fisher exact test utilized to test associations between groups (P < .

Defining Endodontic Residents' Clinical Experiences: A National Survey.

Endodontic residency programs across the U.S. vary in the exposure they provide to residents in procedures, protocols, and equipment.

Three-dimensional analysis of root canal curvature and direction of maxillary lateral incisors by using cone-beam computed tomography.

Introduction: Root canal curvature can affect the technical quality of endodontic treatment. Prior studies measured canal curvature mainly by 2-dimensional radiography. The aim of this study was to measure the 3-dimensional (3D) root canal curvature and canal direction of maxillary lateral incisors by using cone-beam computed tomography (CBCT) and mathematical modeling.

Comparison of the effect of two endodontic irrigation protocols on the elimination of bacteria from root canal system: a prospective, randomized clinical trial.

Introduction: The purpose of this prospective, randomized clinical study was to compare the results of a nonactivated single-irrigation protocol (NAI) that used only 1% NaOCl with a passive ultrasonic multi-irrigation protocol (PUI) that used 1% NaOCl, 17% ethylenediaminetetraacetic acid, and 2% chlorhexidine in rendering canals bacteria free. In addition, the effect of a second-visit instrumentation after intra-appointment calcium hydroxide (CaOH(2)) was also evaluated in bacterial elimination.

Methods: Fifty patients were recruited with a posterior tooth requiring primary endodontic treatment of apical periodontitis.

A micro-computed tomography study of canal configuration of multiple-canalled mesiobuccal root of maxillary first molar.

Objectives: Detailed information of complex anatomical configuration of mesiobuccal (MB) root is essential for successful endodontic treatment in maxillary first molars. The aims of this study were to investigate the configuration types present in multiple-canalled MB roots of maxillary first molars using micro-computed tomography (μCT) and to evaluate whether further modification to current configuration classifications are needed for in-depth morphology study of MB root canal system.

Materials And Methods: One hundred and fifty-four extracted human maxillary first molar MB roots were scanned by μCT (Skyscan) and their canals were reconstructed by 3D modeling software.

Influence of an apical negative pressure irrigation system on bacterial elimination during endodontic therapy: a prospective randomized clinical study.

Introduction: Recent in vitro studies that use an apical negative pressure irrigation system, EndoVac, have demonstrated promising results in the production of debris-free root canals, while also preventing potential extrusion of irrigants into the periapical region. We conducted a randomized, controlled, prospective clinical study to determine whether the use of EndoVac irrigation (EndoVac group) was more efficient compared with standard needle irrigation (control group) in obtaining canals from which microbes could not be cultivated.

Methods: Routine endodontic therapy was performed in 48 patients with necrotic, single-rooted, single-canal teeth.

The perceived prognosis of endodontic treatment and implant therapy among dental practitioners.

Objective: The aims of this study were to understand if practicing dentists appreciate the difference in criteria for success used in the endodontic and implant literature, to evaluate the perceived outcome of implant therapy compared with endodontic treatment, and to evaluate current and projected utilization of implant and endodontic treatment.

Study Design: A 16-question survey was distributed to 648 dentists who graduated from the University of Connecticut Dental School over the past 30 years.

Results: The response rate was 47%.

Influence of a passive sonic irrigation system on the elimination of bacteria from root canal systems: a clinical study.

Introduction: The present investigation evaluated the ability of a new passive sonic irrigation (sonic group) system (EndoActivator) to eliminate cultivable bacteria from root canals in vivo and compared it with that of standard syringe irrigation (control group).

Methods: Data were obtained by using bacteriologic sampling of root canals treated by endodontic residents. Sampling results from 1 session of treatment were then compared with results obtained after intervisit calcium hydroxide disinfection and a second session of treatment.

Enterococcus spp. in endodontically treated teeth with and without periradicular lesions.

The purpose of this study was to determine if Enterococcus spp. are more prevalent in endodontically treated teeth with periradicular lesions compared with teeth that require retreatment but have no periradicular rarefaction. Fifty-eight teeth that had received root canal therapy more than 1 yr previously and required retreatment were included.