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.
Results
Showing 1 to 20 of 41 for “"aligner"”.
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An aligner for X-ray nanolithography
Thesis (Sc. D.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1993.
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Retreatment following in-person clear aligner therapy, direct-to-consumer clear aligner therapy, and conventional fixed orthodontic appliances
… 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 effect of original treatment modality on treatment …
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Automated mask aligner for multilevel mask exposures
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1988.
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Tiger: tiled iterative genome assembler and approximate multi-genome aligner
… size. We also developed a multi-genome sequence aligner, called Tiger aligner, able to perform fast similarity checks among multiple genomes with distant biological relationship and low quality raw data. Practical applications of our tool are demonstrated through experiments. The performance of …
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Knowledge of Dental Students with Respect to Orthodontic Diagnosis and Clear Aligner Therapy
… diagnose orthodontic problems and provide clear aligner therapy, and whether or not certain demographic characteristics could predict an effect on aligner knowledge or orthodontic knowledge. An IRB-approved 16-item survey was constructed and administered to 163 third and fourth year dental …
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Improving Clear Aligner Outcomes Using AI and Remote Dental Monitoring: Results from a Clinical Trial
… intervals) and two control groups (7- and 14-day aligner changes). To address this aim, the objectives were as follows: first, to compare orthodontic treatment outcomes between AI-guided remote Dental Monitoring™ and standard 7-day and 14-day aligner change protocols; second, to evaluate whether …
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Premolar Extraction Cases Treated with Aligners: Are Contemporary Results Comparable to Fixed Appliances?
… to treat premolar extraction cases with aligners to the same occlusal standards as fixed appliances. The purpose of this study was to assess whether premolar extraction cases treated with Invisalign in the past 5 years have more comparable results to cases treated with fixed appliances. …
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Knowledge of Dental Students with Respect to Orthodontic Diagnosis and Clear Aligner Therapy in Conjunction with a Study of Predoctoral Orthodontic Curricula
… with respect to orthodontic diagnosis and clear aligner therapy and to investigate the predoctoral orthodontic curriculum at their respective schools. This study utilized two IRB-approved surveys. The first survey was administered to the predoctoral orthodontic directors inquiring about their …
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Clear aligner attachment removal techniques – an in vitro comparison of removal time residual composite, enamel surface characteristics, enamel loss, and material cost
… increasingly popular alternative therapy, clear aligner therapy (CAT), utilizes clear aligners (CA’s) to generate orthodontic tooth movement in adolescent and adult patients.5 As an esthetic alternative to brackets, CAT utilizes tooth-colored composite resin attachments on the facial surfaces of …
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Co-linear Chaining on Graphs With Cycles
… the new algorithm on DAGs as a sequence-to-graph aligner GraphChainer. The aligner is evaluated and compared to an existing state-of-the-art aligner GraphAligner (Genome Biology, 2020) in experiments using both simulated and real genome assembly data on variation graphs. Our method improves the …
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Orthodontic Outcomes in Class II Correction with Elastics: Clear Aligners Versus Fixed Appliances
Introduction: Clear aligner therapy is rapidly gaining market share and offers aesthetic and hygienic benefits; however, their efficacy in Class II correction with elastics remains under-researched compared to traditional fixed appliances. Specific Aims: This study compares anteroposterior and …
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DEVELOPMENT OF ON-SITE 3D-PRINTED AND BIO-SUSTAINABLE ORTHODONTIC ALIGNERS.
… and widespread use of transparent orthodontic aligners. These are thin, sequential, removable plastic trays personalized for each patient, serving as an alternative to traditional fixed orthodontics characterized by brackets and wires made of metal or ceramic. These aligners, commonly referred …
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FPGA acceleration of short read alignment with high-level synthesis
… This thesis improves on Bowtie 2, an aligner that is already very popular and high-performing. Through the use of OpenCL, it is possible to parallelize this application for both GPU and FPGA by using the same code. Several different levels of parallelism are implemented in order to …
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Rule based learning of word pronunciations from training corpora
… to a similar initial pronunciation. A dynamic aligner is used for the necessary alignment of phonemes and graphemes. The pronunciations are scored using a weighed string edit distance. Optimizations were made to make the learner and the rule applier fast. The system achieves 73.9% exact word …
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Artificial empathy : using vector space modeling and mixed scope alignment to infer emotional states of characters in stories
… single sentence. Additionally, I used the story aligner within Genesis to determine the emotions evoked by stories described over multiple sentences. My program can infer characters' emotional states based on their descriptions, the situations they are involved in, and the actions they perform. …
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Word alignment and smoothing methods in statistical machine translation: Noise, prior knowledge and overfitting
… alignment where we propose a MWE-sensitive word aligner. The second discussion is about the smoothing methods for a language model and a translation model where we propose a hierarchical Pitman-Yor process-based smoothing method. The common grounds for these discussion are the examination of …
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Design And Optimization Of Nano-optical Elements By Coupling Fabrication To Optical Behavior
… nanostructures may be formed on a standard mask aligner. A space-variant photonic crystal filter was designed and optimized based on a simple fabrication method of etching holes through hetero-structured substrates. It was found that hole taper limited their optical performance and a method was …
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Patient orientation and freedom to operate in the management of technology
… analysis of patents in the photolithographic aligner industry, the thesis examines the extent to which firm patenting behavior is oriented towards (1) internal technologies (2) customer and supplier technologies (3) competitor technologies and (4) technologies that are assigned to peripheral …
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