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 24 for “"Orthodontic appliances"”.
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Retreatment following in-person clear aligner therapy, direct-to-consumer clear aligner therapy, and conventional fixed orthodontic appliances
This study examined the effect of original orthodontic treatment modality, in particular, in-person clear aligner therapy (CAT), direct-to-consumer clear aligner therapy (DTC CAT), and conventional fixed appliances, on patients seeking orthodontic retreatment. This investigation also studied the …
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Methods for Zinc Ion Release from Orthodontic Cement Pastes
… of plaque and calculus build up around orthodontic appliances is a difficult task for many patients. Current literature shows free zinc ions have the ability to hinder the progression of plaque and diminish the subsequent consequences. This study demonstrates the ability of two …
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ΜΕΛΕΤΗ ΤΗΣ ΕΠΙΔΡΑΣΗΣ ΔΥΟ ΦΘΟΡΙΟΥΧΩΝ ΣΚΕΥΑΣΜΑΤΩΝ ΣΤΟΝ S MUTANS ΣΕ ΑΣΘΕΝΕΙΣ ΜΕ ΟΡΘΟΔΟΝΤΙΚΑ ΜΗΧΑΝΗΜΑΤΑ
… TO EVALUATE WHETHER PATIENTS TREATED WITH FIXED ORTHODONTIC APPLIANCES PRESENT ALTERATIONS IN THEIR ORAL ECOLOGY AND SPECIFICALLY IN THE LEVELS OF S.MUTANS. IN ADDITION THE EFFECT OF TWO FLUORIDE COMPOUNDS ACIDULATED PHOSPHATE FLUORIDE AND STANNOUS FLUORIDE. ON THE TOTAL BACTERIA (TOTAL COLONY …
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Optimal Time and Temperature for Maximum Moment and Springback and Residual Stress Relief of Stainless Steel Wire
… done to help define some of the capacities of orthodontic materials. In the future, we must understand failure mechanisms with more accuracy and define mechanical properties, as they affect orthodontic appliances, with more meaningful tests and specifications.
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Is the 0.018-inch or the 0.022-inch bracket slot system more effective for the levelling and alignment stage of orthodontic treatment?
… and 0.022-inch conventional pre-adjusted orthodontic bracket slot systems in terms of the effectiveness of levelling and alignment stage of orthodontic treatment.<br/><br/>Design: Prospective, multi-centre randomised clinical trial.<br/><br/>Setting: This was undertaken in the secondary …
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Association Between Malocclusion and Oral Health Related Quality of Life in Mixed Dentition
Assessing OHRQOL and Interceptive Orthodontics In The Pediatric Population Narayan SL1, Allareddy V2, Avenetti DM1, Hill BJ1,Desai BK1 1Department of Pediatric Dentistry, UIC College of Dentistry, Chicago, IL, 2Department of Orthodontics, UIC College of Dentistry, Chicago, IL Hypothesis and …
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Assessment of predoctoral orthodontic education amongst U.S. dental schools : a pilot study
… school factors, such as the presence of an orthodontic residency, influence the contents of predoctoral orthodontic curricula. A 19-question survey, approved by the UMKC IRB, was distributed to the Associate Deans of Academic Affairs of 67 accredited dental schools in the contiguous United …
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Bonding Properties of Newly Erupted and Mature Human Premolars
… increase in the number of adult patients seeking orthodontic treatment. Since orthodontic attachments are bonded directly to the etched enamel using composite resin, post-eruptive enamel maturation may affect the bonding process. The purpose of this study was to determine whether there were …
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Collaborative deep reinforcement framework for multimodality integration and learning
… such as missing teeth, restorations, and orthodontic appliances. The framework operates through three key stages: independent model learning, collaborative inference via adaptive fusion, and reinforcement-based refinement guided by policy optimization. A carefully designed reward function …
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Treatment Effects of the Mandibular Anterior Repositioning Appliance (MARA) and Conventional Orthodontic Mechanics on Temporomandibular Joint Morphology: A Comparison Using Cone Beam Computed Tomography
<p>Introduction: An ongoing debate exists in orthodontics about the amount of condylefossa remodeling and growth seen in Class II patients using functional appliance therapy. Some clinicians and researchers have found that that the use of functional appliances increases the amount of condylar …
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Efficacy of the FlossPro Flosser versus Finger Flossing in Orthodontic Patients
… The maintenance of good oral hygiene among orthodontic patients is a challenge. The purpose of this study was to compare the oral hygiene habits, gingival health, and preference of orthodontic patients when using a floss aid compared to conventional finger flossing with a floss threader. …
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The Development and Use of an Intraoral Force Transducer in the Diagnosis and Treatment of Myasthenia Gravis
Myasthenia gravis is a neuromuscular disease characterized by variable weakness following voluntary muscle exertion. Because responses to the disease vary considerably between muscle groups, as well as between stages of the disease, diagnosis sometimes becomes a difficult and subjective evaluation. …
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The Fracture Strength of Ceramic Brackets : A Comparative Study
<p>The purpose of this study was to determine the effect of different surface conditions and different ligation methods on the fracture strength of ceramic brackets and the yield strength of metal brackets.</p> <p>Ceramic brackets followed the Griffith model, which was used to interpret their …
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The Effects of Maxillary Quad-Helix Appliance Expansion on Cephalometric Measurements in Growing Orthodontic Patients
… lateral cephalometric measurements in growing orthodontic patients. Twenty subjects, nine girls and eleven boys (x age = 10 years, 3 months), each exhibiting at least a unilateral posterior lingual cross-bite that had been treated with a maxillary quad-helix appliance, were selected for this …
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Assessment of Orthodontic Treatment Results and Comparison between Fixed Lingual and Labial Appliances
Interest in objective assessment of orthodontic treatment outcomes and in quality control of orthodontic treatment is increasing. In recent years, the evaluation of orthodontic treatment results has been carried out with the help of various indices or different rating systems. No published studies …
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A Comparative Study of Conventional-Ligating and Self-Ligating Bracket Systems
… 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 slots were evaluated. Group A : self-ligating bracket: Opal (Ultradent), Damon 2 (Ormco), Time (American Orthodontics), …
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A Comparison of the Nance Holding Arch and Kloehn Headgear in Maxilliary Molar Anchorage
<p>A sample of thirty first bicuspid extraction patients, ages 9 through adult, were evaluated for maxillary molar anchorage loss during cuspid retraction. The Nance Holding Arch and Kloehn cervical headgear were compared as anchorage devices. A control group received no anchorage mechanics during …
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Evaluation of the Treatment Effects of the Functional Regulator of Fränkel in the Correction of Angle Class II Malocclusions
… rather than a protrusive maxilla. Functional appliances are designed to alter the soft tissue environment of the oral facial capsule creating an environment that allows for optimal growth and development of the teeth, bones, and soft tissue. The functional regulator of Frankel (FR) is a …
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A CBCT Study of Pharyngeal Airway Changes Due to Fixed Functional Appliances
… with a MARA or Herbst Class II correction appliances. Materials and Methods: Twenty-six patients treated with a MARA (mean age 13.2), nine with a Herbst (mean age 12.12) , and a control group twenty-five orthodontically treated class I patients (mean age 13.11). T1 and T2 CBCT images were …
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