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 27 for “"Other Dentistry"”.
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Pins in a Composite : Their Effects on the Strength of the Material
<p>The influence of pins on the compression and tensile strength of a composite resin was measured. </p> <p>Compression strength was measured in cylindrical samples 8 mm long and 4 mm in diameter, using different size threaded stainless steel pins. The tensile strength was determined by compression …
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Intentional Implantation of Pins in the Dental Pulp Under Clinical Conditions
… several aspects of restorative and periodontal dentistry. In some cases there may be unintentional perforation of the dental pulp. In other cases it may be advantageous to purposely perforate the pulp for added retention.</p> <p>The purpose of this research is to determine the reaction, …
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A Comparative Study of Conventional-Ligating and Self-Ligating Bracket Systems
<p>The purpose of this research was to determine the frictional resistance of four self-ligating brackets and two conventional bracket systems using two different types of orthodontic arch wires in both wet and dry fields. Six different brands of upper right central incisor brackets with 0.018-in …
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The lasting impact of Intraprofessional Education between dentists and dental hygienists
… of the DH.</p> <p>Methods: UW School of Dentistry alumni from 2012-2017 were invited to participate in this study. Attitudes towards teamwork and roles and responsibilities were assessed using two online surveys: a demographic survey containing open-ended questions, and a quantitative …
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Shear Strengths of Three "One-Step" Self-Etching Dental Bonding Agents
<p>Objective: To compare the dentin shear bond strength of three self-etching bonding agents with that of a conventional total-etch bonding system.</p> <p>Materials & Method: Extracted third molars (120) were fixed in 10% formalin and randomly divided into eight groups of 15 specimens each. The …
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An Anthropometric Study of the Face and Dentition of the Apache Indian Population at the Stewart Indian School
… patterns and compare discriminately to other contemporary North American Indian groups: Pima, Papago, Mayo and Chamula. Materials on other Indian tribes considered were obtained from studies completed at Loma Linda University. The data obtained from dental morphology analysis of the …
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Evaluation of Alveolar and Soft Tissue Changes after Muscular Release Surgery in Patients Undergoing Fixed Orthodontic Therapy
<p>This study compared pre-treatment to post-treatment changes in patients undergoing fixed orthodontic therapy who have had muscular release surgery. The alveolar and soft tissue changes in the mandible of 128 subjects from a private practice in Northern Italy (74 females and 54 males) were …
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Profile Attractiveness in Borderline Class III Surgical/Orthodontic Cases
… was composed of thirty orthodontists and the other group was composed of thirty laypersons. In order to evaluate intra-individual reproducibility of the measuring system, ten duplicate sets of profile images were added to the series. Results: The repeated measures ANOVA F-test results found a …
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Influence of Mandibular Fixed Retainers on Diagnostic Quality of Cranial MRI
… to be between stainless steel and all other materials for T1, T2, and GRE imaging modalities. An intraclass correlation coefficient of .706 showed good agreement between readers with associated 95% confidence intervals. The results of this study show that stainless steel mandibular …
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The Skeletal Effects to the Maxilla after Rapid Maxillary Expansion using CBCT
<p>The purpose of this study was to use cone beam computed tomography (CBCT) to quantitatively evaluate and compare skeletal expansion and alveolar tipping of the maxilla at the maxillary canine (Cl), first premolar (PI), second premolar (P2) and first molar (Ml) after rapid maxillary expansion …
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Screening the Safety Net
<p>Safety net clinics across the country struggle with a lack of resources to tackle the needs presented. Screening programs set up for children and elderly have proven to be effective in triaging need, prioritizing care, and maximizing resources. These programs do not currently exist for working …
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Effect of Attending Doctor Changes on Orthodontic Treatment Times and Results
… Treatment times, treatment results, and other variables were evaluated for each of the groups. Treatment results were evaluated using UK Peer Assessment Rating (PAR) scores. A second study group (289 subjects) included an additional 98 subjects who met all of the inclusion criteria but …
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Accuracy of Ortho Insight 3D Digital Scanner in Mesial-Distal Tooth Measurements
Introduction: Digital scanners and software may be used to measure mesial-distal (MD) tooth width for orthodontic diagnosis and treatment planning. Although there have been many studies performed on different digital scanners, accuracy of mesial-distal tooth measurements using the Ortho Insight 3D …
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Accuracy of Unsegmented CBCT in Mesial-Distal Tooth Measurements
Introduction: Cone-beam computed tomography (CBCT) scans may be used to measure mesial-distal (MD) tooth width for orthodontic diagnosis and treatment planning. Purpose: The objective of this study was to determine if MD tooth measurements from unsegemented CBCT scans in the axial, sagittal, and …
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Comparison of Digital and CBCT Synthesized Lateral Cephalograms
Purpose: The purpose of this study was to compare the precision of lateral cephalometric Ricketts analysis measurements from NewTom 5G CBCT (NewTom) synthesized lateral cephalograms with Sirona Orthophos XG Plus (Sirona) digital lateral cephalograms. Materials & Methods: A Sirona digital lateral …
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Effects of Orthodontic Treatment on Social Perceptions
<p><strong>Introduction:</strong> The purpose of this study was to record first impressions elicited by photographs of orthodontic patients before and after treatment to test the hypothesis that after treatment patients will elicit a more positive first impression.</p> <p><strong>Methods and …
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Periodontal Health of Anterior Teeth with Two Types of Fixed Retainers
Introduction: Fixed retainers for anterior teeth have become a popular method for maintaining the position and function of teeth after orthodontic treatment. Various retainer designs, wire sizes and types have been used over the years. One problem with fixed retainers is that they complicate oral …
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Cone-Beam Computed Tomography and Orthodontics: Awareness Assessment
… affiliated with Loma Linda University School of Dentistry: 1) undergraduate dental students, 2) students in specialty programs (orthodontics, implant, oral surgery), and 3) orthodontic alumni. The survey tried to gain understanding of practitioners' knowledge of radiation dosage related to CBCT, …
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Sleeping Tongue Posture and Its Relationship to Craniofacial Morphology
Introduction: There exists good consensus in the literature supporting the notion that resting tongue posture is an important factor in dental arch development and maintenance as well as airway control. What has yet to be quantitatively measured is the duration of time that a subconscious, resting …
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Effectiveness of Resin Infiltration and Mi Paste Cpp-Acp in Masking White Spot Lesions
The development of decalcification around orthodontic brackets and bands, commonly called white spot lesions (WSLs), is often observed in patients with poor oral hygiene during treatment (Behnan et al., 2010, Rodgers et al., 2010). In many instances, these WSLs continue to be visible after the …
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