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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 28 for “"Prosthodontics and Prosthodontology"”.
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THE BOND STRENGTH OF ADHESIVE RESIN CEMENT: TIME DIFFERENTIAL BETWEEN CEMENTATION AND FINISHING OF CAST DOWEL-CORES
… CEMENT: TIME DIFFERENTIAL BETWEEN CEMENTATION AND FINISHING OF CAST DOWEL-CORES By Purnima Joan Shahani, D.D.S., M.S.A Thesis submitted in partial fulfillment of the requirements for the degree of Master of Science in Dentistry at Virginia Commonwealth University.Virginia Commonwealth …
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The Influence of Biofilm on the Antifungal Activity of Amine Oxide
… oral disease affecting denture wearers today, and is characterized by inflammation of the denture bearing mucosa. In a search through historical dental literature for the most often suspected culprit of DRS, one will repeatedly find first listed the fungus <em>Candida albicans. </em>While …
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In-vitro Evaluation of Accuracy of Conventional and CAD/CAM Removable Partial Denture Frameworks
… technology is gaining popularity in dentistry, and more recently, to fabricate removable partial dentures (RPD). The purpose of this study was 1) to evaluate the overall accuracy and fit of conventional versus CAD/CAM fabricated printed RPD frameworks based on STL data analysis, and 2) to …
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Influence of a 3-step disinfection procedure on dentin bond strength
… a difference in the bond strength between dentin and composite resin with a 3-step disinfection technique compared to a conventional bonding technique without the additional disinfection protocol.Material and Methods. Sixty human molar teeth were sectioned parallel to the occlusal surface to …
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Comparative Tensile Strengths of Preceramic and Postceramic Solder Connectors Using High-Palladium Alloy
… tensile strength properties of Rx Naturelle Plus and Option (high-palladium) alloys on soldered connectors under simulated preceramic and postceramic soldering conditions. Materials and methods: Eighty cylindrical castings were fabricated (40 using Rx Naturelle Plus alloy and 40 using Option …
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Eccentric Interchangeability of the Semi‑Adjustable Articulator: A Pilot Study
… is a method of approximating the patient's mandibular motion in order to allow for analysis of dental relations and fabrication of appliances. The most prevalent method used in teaching institutions is the semi-adjustable articulator. Several of these instruments claim interchangeability …
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A Mechanical and Histological Study of Functionally Graded Hydroxyapatite Implant Coatings
… people of all ages are investing more money and time into dental treatment than ever before. Patients are becoming more educated on dental treatment options and expect the best treatment possible. As a result, the replacement of missing teeth with implants is becoming more and more …
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In vitro Staining of Denture Liners and Potential for Color Correction Using Commonly Available Denture Cleansers
… following surgery involving edentulous tissues, and to improve the function and stability of existing removable prostheses. Appropriate application of denture liners can facilitate patient comfort during prolonged therapy and prior to placement of definitive restorations. However, concern has …
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Verification of the Accuracy of Electronic Mandibular Movement Recording Devices: : An in vitro investigation
… dentistry is to truly capture maxillomandibular relationships that accurately reproduce mandibular border movements and that would prescribe the best occlusal interface. Registration of horizontal and sagittal movements of the patient allows maximum cusp height and fossae depth with …
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A Comparison of Cadiax Axiography & NewTom 3G Tomography Condylar Measurements
<p>This study compared the curves for the mandibular movement obtained from computerized axiography (Cadiax) and NewTom 3G cone beam volumetric tomography.</p> <p>Fifteen subjects (n=15) from the Loma Linda University School of Dentistry obtained a Cadiax mandibular jaw tracing and a NewTom 3G scan …
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Immediate Effect of Complete Denture Occlusal Errors on Masticatory Muscle EMG Activity in Denture Wearers: A Pilot Study
… factor affecting stability, patient comfort and acceptance of complete dentures. Also, understanding the functional behavior of masticatory muscles for complete denture wearers is important for diagnosing and planning the clinical treatment.</p> <p>The purpose of the present study was to …
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The Wear of Acrylic Resin and Composite Resin Teeth against Polished and Glazed Zirconia
… decreased masticatory efficiency, poor esthetics and leads to reduced the occlusal vertical dimension which could lead to the development of temporomandibular disorders, consequently, further compromise function. Very few studies have been performed on the wear resistance of zirconia against …
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Evaluation of Accuracy of Impression Materials with Different Mixing Techniques
Purpose: To investigate gypsum compatibility and dimensional stability of irreversible hydrocolloid impression materials with three mixing techniques. A comparison between vacuum-mixed, mechanically-mixed and manually-mixed techniques was evaluated for each impression material. Materials and …
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Effect of Image Sharpening on Radiographic Image Quality
<p>There is evidence that capture and processing of the digital radiographic images may contain artifacts that could reduce the diagnostic value of dental radiographs. This phenomenon has been reported through various case reports. However, its effect on radiographic image quality has not been …
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Evaluation of Shear Bond Strength of Two Resin-Modified Glass-Ionomer Cements
… ™ Luting Cement, 3M, St. Paul, MN)Materials and Methods: A total of 33 human molars were sectioned parallel to the occlusal surface to expose mid-coronal dentin and mounted parallel to the bond shearing device on the universal testing machine (Instron). For Group I samples (Rely-X, n=15), the …
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Evaluation of Osseointegration Between Two Different Modalities of Hydroxyapatite Implant Surface Coatings: Plasma Sprayed HA Coated Implants and Electrophoresis Deposited Nano HA Coated Implants
… sprayed (PS) hydroxyapatite (HA) coated implants and electrophoresis deposited (EPD) nano hydroxyapatite coated implants in an animal model. The quantity of osseointegration was inferred by interfacial strength and percent tissue-contact length.Materials and Methods: Thirty-six cylindrical …
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Effect of Time on Gypsum-Impression Material Compatibility
… (Kerrâ„¢), Position Penta Quick® (3M ESPEâ„¢) and Silgimix® (Sultan Dentalâ„¢). The irreversible hydrocolloid impression material, Jeltrate Plus antimicrobial® (Dentsply Caulkâ„¢) served as the control. Materials and Methods: Testing of materials was conducted in accordance with ANSI/ADA …
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Effects of Microwave Irradiation on the Dimensional Stability of Complete Denture Bases
… at 650 Watts provides denture disinfection, and three minutes provide sterilization32,34. There is insufficient data on how this practice affects the long term dimensional stability of commonly used complete denture bases in the United States. Purpose: The purpose of this study was to perform …
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Neural Crest Contributions to Dental Pulp Stem/Progenitor Cells and Craniofacial Structures: Alveolar Processes, Tongue and Temporomandibular Joint
… in vertebrates, is crucial to craniofacial and dental development. Populations of multipotent stem cells have been identified in various dental tissues including dental pulp. Hence, identification of multipotent cells of neural crest lineage within dental pulp and delineation of neural crest …
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In‐Vitro Comparison of Tensile Bond Strength of Denture Adhesives on Denture Bases
… strength (TBS) of three cream denture adhesives and one wafer denture adhesive on three denture base materials at five time intervals up to 24 hours. METHODS: Fixodent (Proctor & Gamble™), Super Poligrip (GlaxoSmithKline™), Effergrip (Prestige Brands, Inc.™), and SeaBond (Combe™) were tested …
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