Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 22 for “"Endodontology"”.
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ASSESSMENT OF ANTIBACTERIAL EFFECT AND FLOWABILITY OF BIOCERAMIC SEALER MODIFIED WITH BaTiO3 NANOPARTICLES
Introduction: One of the main causes of endodontic treatment failures is the persistence of microorganisms within the root canal systems. Piezoelectric materials, including barium titanate (BaTiO3), offer antibacterial effects. The aim of this project is to develop an endodontic sealer embedded …
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Histopathological Response of the Human Tooth to an Intrapulpal Pin Implantation
<p>This investigation was designed to serve as a research project directed toward the study of histopathological response of human teeth to the intentional implantation of threaded, stainless steel, gold plated pins into the vital pulp.</p> <p>Pins of several types are currently used in several …
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Interobserver Reliability in the Diagnosis of Pulpal and Periradicular Disease
The purpose of this study was evaluate the interobserver reliability of endodontists in the diagnosis the presence or absence of pulpal and/or periradicular disease. The study used 47 patients presenting to the VCU School of Dentistry for screening appointments as a test population under the rules …
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The Use of Implants vs. Endodontics: Practitioner Attitudes in 2007
The purpose of this study was to determine what factors influence dentists when deciding whether to place an implant or perform endodontic retreatment. Null hypothesis: Dentists today are no more likely to place an implant than to perform endodontic retreatment. A twelve-item questionnaire was …
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Placement of Mineral Trioxide Aggregate Using Two Different Techniques
AbstractTHE PLACEMENT OF MINERAL TRIOXIDE AGGREGATE USING TWO DIFFERENT TECHNIQUESBy Anita Aminoshariae, D.D.S.A thesis submitted in partial fulfillment of the requirements for the degree of Master of Science at Virginia Commonwealth UniversityVirginia Commonwealth University, 2003Major Director: …
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Torsional Testing of Race, K3 and Profile Nickel Titanium Endodontic Files
Rotary endodontic instruments have different cross sectional designs that may effect their resistance to torsional stress. The purpose of this study is to evaluate the static torsional properties of two nickel titanium files that have recently been introduced for use in endodontics and compare them …
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A quantitative comparison of the fill density of MTA produced by two different placement techniques.
The purpose of this study was to quantitatively compare the fill density of MTA produced by hand condensation and hand condensation with indirect ultrasonic activation. Thirty acrylic block with 30 degree curved canals (group C) and 30 with straight canals (group S) were instrumented to a final …
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The Effect of Chlorhexidine Gluconate as an Endodontic Irrigant on the Apical Seal: Long-term Results
The purpose of this study was to determine whether chlorhexidine gluconate (0.12%), used as an endodontic irrigating solution would affect the apical seal of three root canal cements. One hundred extracted human single-canal teeth were divided into 9 experimental groups of 10 teeth each, in …
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The Predictive Ability of Specific Questions Related to Symptoms in the Diagnosis of Endodontic Disease
The purpose of this study was to test the predictive ability of specific questions in diagnosis of pulpal and periradicular disease in a dental school population. 210 patients were recruited to fill out a questionnaire, and undergo a clinical examination for pulpal and/or periradicular disease.The …
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Immunohistochemical Study of Phenotypes of Dendritic Cells in Dental Pulps from Non-Carious and Carious Teeth
Mature dendritic cells (DCs) in inflamed tissues may promote inflammation but the status of DCs in pulpitis is not known. We hypothesized that DC maturation would correlate with carious lesion depth and that CD4+ cells would be found in association with mature DCs. Pulps were collected from teeth …
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Use of a Portland Cement Accelerator with Mineral Trioxide Aggregate
The use of Mineral Trioxide Aggregate (MTA) is gaining popularity among clinicians. Despite the many ideal qualities it possesses, it is often difficult to manipulate and often requires a second appointment for placement of a restoration to allow for setting. If the time to set of MTA can be …
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A Comparison of Flexural Fracture of Three Different Nickel-Titanium Rotary File Systems
The purpose of this study was to compare the number of rotations to failure of three different rotary file systems. ProFile, Sequence, and Liberator files in sizes 25 and 40 with 0.04 taper were divided into groups of five and rotated against a grooved metal block mounted to a Universal testing …
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The Effectiveness of Camphorated Paramonochlorophenol, Metacresyl Acetate, and Prednisolone in Combination as an Antimicrobial Agent
<p>Post-treatment discomfort following endodontic procedures can be caused by inflammation due to injudicious use of intracanal medicaments. Camphorated paramonochlorophenol, metacresyl acetate, and prednisolone in combination is advocated to reduce the inflammatory potential of the germicide and …
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The Effect of ESCHERICHIA COLI Endotoxin on the Cat Periapical Tissues
<p>The periapical tissue reaction to three concentrations of endotoxin solutions and to a sterile saline control solution was examined in six adult cats. The maxillary and mandibular cuspids were isolated and the pulps extirpated with barbed broaches. The four solutions (1, 10, 100 μg/ml endotoxin, …
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Density of Gutta Percha by Weight in Straight Root Canals and Curved Root Canals after Single Cone, Cold Lateral, and Warm Vertical Condensation
The purpose of this study was to compare the density of gutta percha following three different obturation techniques using two split-tooth models. One split-tooth model was constructed with a straight rooted maxillary incisor and the other with the curved palatal root of a maxillary molar. Each …
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An In Vitro Evaluation of the Elements Apex Locator Using the Endo Q System
The objective of this study was two-fold: 1) to determine the accuracy of the Elements Apex Locator and 2) to compare the accuracy of the alginate and Endo Q models as in-vitro apex locator testing devices. Twenty teeth were decoronated at the CEJ and triplicate measurements were made using the …
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The Effect of Endodontic Solutions on Resorcinol-Formalin Paste in Teeth
This study determined if any of six endodontic solutions would have a softening effect on resorcinol-formalin paste in extracted teeth, and if there were any differences in the solvent action between these solutions. Forty-nine single-rooted extracted teeth were decoronated two mm coronal to the …
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An InVitro Leakage and Viscosity Analysis of Root End Filling Materials
The purpose of this study was to determine if the viscosity of MTA Angelus Fluid is lower than that of Pro Root MTA and MTA Angelus; and to compare the viscosity, leakage and particle size of these materials to determine whether a relationship exists between these properties. The viscosity of each …
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K3 Endo, Pro Taper, and Pro File Systems: Breakage and Distortion in Severely Curved Roots of Molars
K3 ENDO, PRO TAPER, AND PRO FILE SYSTEMS: BREAKAGE AND DISTORTION IN SEVERELY CURVED ROOTS OF MOLARS.By Matthew T. Ankrum, D.D.S.A Thesis submitted in partial fulfillment of the requirements for the degree of Master of Science at Virginia Commonwealth University.Virginia Commonwealth University, …
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Physical and Chemical Properties of a New Mineral Trioxide Aggregate Material
The objective of this study was to compare the time to final set and compressive strength of the white mineral trioxide aggregate (MTA) formulation to the original grey MTA. To test compressive strength, each MTA formulation was placed into Teflon split molds for four hours at 37° Celsius (C) and …
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